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Signed-off-by: kolaente <konrad@kola-entertainments.de>
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konrad 2017-10-09 18:49:20 +02:00 committed by kolaente
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# This is the official list of Go-MySQL-Driver authors for copyright purposes.
# If you are submitting a patch, please add your name or the name of the
# organization which holds the copyright to this list in alphabetical order.
# Names should be added to this file as
# Name <email address>
# The email address is not required for organizations.
# Please keep the list sorted.
# Individual Persons
Aaron Hopkins <go-sql-driver at die.net>
Achille Roussel <achille.roussel at gmail.com>
Arne Hormann <arnehormann at gmail.com>
Asta Xie <xiemengjun at gmail.com>
Bulat Gaifullin <gaifullinbf at gmail.com>
Carlos Nieto <jose.carlos at menteslibres.net>
Chris Moos <chris at tech9computers.com>
Daniel Nichter <nil at codenode.com>
Daniël van Eeden <git at myname.nl>
Dave Protasowski <dprotaso at gmail.com>
DisposaBoy <disposaboy at dby.me>
Egor Smolyakov <egorsmkv at gmail.com>
Evan Shaw <evan at vendhq.com>
Frederick Mayle <frederickmayle at gmail.com>
Gustavo Kristic <gkristic at gmail.com>
Hanno Braun <mail at hannobraun.com>
Henri Yandell <flamefew at gmail.com>
Hirotaka Yamamoto <ymmt2005 at gmail.com>
ICHINOSE Shogo <shogo82148 at gmail.com>
INADA Naoki <songofacandy at gmail.com>
Jacek Szwec <szwec.jacek at gmail.com>
James Harr <james.harr at gmail.com>
Jeff Hodges <jeff at somethingsimilar.com>
Jian Zhen <zhenjl at gmail.com>
Joshua Prunier <joshua.prunier at gmail.com>
Julien Lefevre <julien.lefevr at gmail.com>
Julien Schmidt <go-sql-driver at julienschmidt.com>
Justin Nuß <nuss.justin at gmail.com>
Kamil Dziedzic <kamil at klecza.pl>
Kevin Malachowski <kevin at chowski.com>
Lennart Rudolph <lrudolph at hmc.edu>
Leonardo YongUk Kim <dalinaum at gmail.com>
Lion Yang <lion at aosc.xyz>
Luca Looz <luca.looz92 at gmail.com>
Lucas Liu <extrafliu at gmail.com>
Luke Scott <luke at webconnex.com>
Maciej Zimnoch <maciej.zimnoch@codilime.com>
Michael Woolnough <michael.woolnough at gmail.com>
Nicola Peduzzi <thenikso at gmail.com>
Olivier Mengué <dolmen at cpan.org>
oscarzhao <oscarzhaosl at gmail.com>
Paul Bonser <misterpib at gmail.com>
Peter Schultz <peter.schultz at classmarkets.com>
Rebecca Chin <rchin at pivotal.io>
Runrioter Wung <runrioter at gmail.com>
Shuode Li <elemount at qq.com>
Soroush Pour <me at soroushjp.com>
Stan Putrya <root.vagner at gmail.com>
Stanley Gunawan <gunawan.stanley at gmail.com>
Xiangyu Hu <xiangyu.hu at outlook.com>
Xiaobing Jiang <s7v7nislands at gmail.com>
Xiuming Chen <cc at cxm.cc>
Zhenye Xie <xiezhenye at gmail.com>
# Organizations
Barracuda Networks, Inc.
Google Inc.
Keybase Inc.
Pivotal Inc.
Stripe Inc.

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## Version 1.3 (2016-12-01)
Changes:
- Go 1.1 is no longer supported
- Use decimals fields in MySQL to format time types (#249)
- Buffer optimizations (#269)
- TLS ServerName defaults to the host (#283)
- Refactoring (#400, #410, #437)
- Adjusted documentation for second generation CloudSQL (#485)
- Documented DSN system var quoting rules (#502)
- Made statement.Close() calls idempotent to avoid errors in Go 1.6+ (#512)
New Features:
- Enable microsecond resolution on TIME, DATETIME and TIMESTAMP (#249)
- Support for returning table alias on Columns() (#289, #359, #382)
- Placeholder interpolation, can be actived with the DSN parameter `interpolateParams=true` (#309, #318, #490)
- Support for uint64 parameters with high bit set (#332, #345)
- Cleartext authentication plugin support (#327)
- Exported ParseDSN function and the Config struct (#403, #419, #429)
- Read / Write timeouts (#401)
- Support for JSON field type (#414)
- Support for multi-statements and multi-results (#411, #431)
- DSN parameter to set the driver-side max_allowed_packet value manually (#489)
- Native password authentication plugin support (#494, #524)
Bugfixes:
- Fixed handling of queries without columns and rows (#255)
- Fixed a panic when SetKeepAlive() failed (#298)
- Handle ERR packets while reading rows (#321)
- Fixed reading NULL length-encoded integers in MySQL 5.6+ (#349)
- Fixed absolute paths support in LOAD LOCAL DATA INFILE (#356)
- Actually zero out bytes in handshake response (#378)
- Fixed race condition in registering LOAD DATA INFILE handler (#383)
- Fixed tests with MySQL 5.7.9+ (#380)
- QueryUnescape TLS config names (#397)
- Fixed "broken pipe" error by writing to closed socket (#390)
- Fixed LOAD LOCAL DATA INFILE buffering (#424)
- Fixed parsing of floats into float64 when placeholders are used (#434)
- Fixed DSN tests with Go 1.7+ (#459)
- Handle ERR packets while waiting for EOF (#473)
- Invalidate connection on error while discarding additional results (#513)
- Allow terminating packets of length 0 (#516)
## Version 1.2 (2014-06-03)
Changes:
- We switched back to a "rolling release". `go get` installs the current master branch again
- Version v1 of the driver will not be maintained anymore. Go 1.0 is no longer supported by this driver
- Exported errors to allow easy checking from application code
- Enabled TCP Keepalives on TCP connections
- Optimized INFILE handling (better buffer size calculation, lazy init, ...)
- The DSN parser also checks for a missing separating slash
- Faster binary date / datetime to string formatting
- Also exported the MySQLWarning type
- mysqlConn.Close returns the first error encountered instead of ignoring all errors
- writePacket() automatically writes the packet size to the header
- readPacket() uses an iterative approach instead of the recursive approach to merge splitted packets
New Features:
- `RegisterDial` allows the usage of a custom dial function to establish the network connection
- Setting the connection collation is possible with the `collation` DSN parameter. This parameter should be preferred over the `charset` parameter
- Logging of critical errors is configurable with `SetLogger`
- Google CloudSQL support
Bugfixes:
- Allow more than 32 parameters in prepared statements
- Various old_password fixes
- Fixed TestConcurrent test to pass Go's race detection
- Fixed appendLengthEncodedInteger for large numbers
- Renamed readLengthEnodedString to readLengthEncodedString and skipLengthEnodedString to skipLengthEncodedString (fixed typo)
## Version 1.1 (2013-11-02)
Changes:
- Go-MySQL-Driver now requires Go 1.1
- Connections now use the collation `utf8_general_ci` by default. Adding `&charset=UTF8` to the DSN should not be necessary anymore
- Made closing rows and connections error tolerant. This allows for example deferring rows.Close() without checking for errors
- `[]byte(nil)` is now treated as a NULL value. Before, it was treated like an empty string / `[]byte("")`
- DSN parameter values must now be url.QueryEscape'ed. This allows text values to contain special characters, such as '&'.
- Use the IO buffer also for writing. This results in zero allocations (by the driver) for most queries
- Optimized the buffer for reading
- stmt.Query now caches column metadata
- New Logo
- Changed the copyright header to include all contributors
- Improved the LOAD INFILE documentation
- The driver struct is now exported to make the driver directly accessible
- Refactored the driver tests
- Added more benchmarks and moved all to a separate file
- Other small refactoring
New Features:
- Added *old_passwords* support: Required in some cases, but must be enabled by adding `allowOldPasswords=true` to the DSN since it is insecure
- Added a `clientFoundRows` parameter: Return the number of matching rows instead of the number of rows changed on UPDATEs
- Added TLS/SSL support: Use a TLS/SSL encrypted connection to the server. Custom TLS configs can be registered and used
Bugfixes:
- Fixed MySQL 4.1 support: MySQL 4.1 sends packets with lengths which differ from the specification
- Convert to DB timezone when inserting `time.Time`
- Splitted packets (more than 16MB) are now merged correctly
- Fixed false positive `io.EOF` errors when the data was fully read
- Avoid panics on reuse of closed connections
- Fixed empty string producing false nil values
- Fixed sign byte for positive TIME fields
## Version 1.0 (2013-05-14)
Initial Release

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# Contributing Guidelines
## Reporting Issues
Before creating a new Issue, please check first if a similar Issue [already exists](https://github.com/go-sql-driver/mysql/issues?state=open) or was [recently closed](https://github.com/go-sql-driver/mysql/issues?direction=desc&page=1&sort=updated&state=closed).
## Contributing Code
By contributing to this project, you share your code under the Mozilla Public License 2, as specified in the LICENSE file.
Don't forget to add yourself to the AUTHORS file.
### Code Review
Everyone is invited to review and comment on pull requests.
If it looks fine to you, comment with "LGTM" (Looks good to me).
If changes are required, notice the reviewers with "PTAL" (Please take another look) after committing the fixes.
Before merging the Pull Request, at least one [team member](https://github.com/go-sql-driver?tab=members) must have commented with "LGTM".
## Development Ideas
If you are looking for ideas for code contributions, please check our [Development Ideas](https://github.com/go-sql-driver/mysql/wiki/Development-Ideas) Wiki page.

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Mozilla Public License Version 2.0
==================================
1. Definitions
--------------
1.1. "Contributor"
means each individual or legal entity that creates, contributes to
the creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used
by a Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached
the notice in Exhibit A, the Executable Form of such Source Code
Form, and Modifications of such Source Code Form, in each case
including portions thereof.
1.5. "Incompatible With Secondary Licenses"
means
(a) that the initial Contributor has attached the notice described
in Exhibit B to the Covered Software; or
(b) that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the
terms of a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in
a separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible,
whether at the time of the initial grant or subsequently, any and
all of the rights conveyed by this License.
1.10. "Modifications"
means any of the following:
(a) any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered
Software; or
(b) any new file in Source Code Form that contains any Covered
Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the
License, by the making, using, selling, offering for sale, having
made, import, or transfer of either its Contributions or its
Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU
Lesser General Public License, Version 2.1, the GNU Affero General
Public License, Version 3.0, or any later versions of those
licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that
controls, is controlled by, or is under common control with You. For
purposes of this definition, "control" means (a) the power, direct
or indirect, to cause the direction or management of such entity,
whether by contract or otherwise, or (b) ownership of more than
fifty percent (50%) of the outstanding shares or beneficial
ownership of such entity.
2. License Grants and Conditions
--------------------------------
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
(a) under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
(b) under Patent Claims of such Contributor to make, use, sell, offer
for sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
(a) for any code that a Contributor has removed from Covered Software;
or
(b) for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
(c) under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights
to grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
in Section 2.1.
3. Responsibilities
-------------------
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
(a) such Covered Software must also be made available in Source Code
Form, as described in Section 3.1, and You must inform recipients of
the Executable Form how they can obtain a copy of such Source Code
Form by reasonable means in a timely manner, at a charge no more
than the cost of distribution to the recipient; and
(b) You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter
the recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty,
or limitations of liability) contained within the Source Code Form of
the Covered Software, except that You may alter any license notices to
the extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
---------------------------------------------------
If it is impossible for You to comply with any of the terms of this
License with respect to some or all of the Covered Software due to
statute, judicial order, or regulation then You must: (a) comply with
the terms of this License to the maximum extent possible; and (b)
describe the limitations and the code they affect. Such description must
be placed in a text file included with all distributions of the Covered
Software under this License. Except to the extent prohibited by statute
or regulation, such description must be sufficiently detailed for a
recipient of ordinary skill to be able to understand it.
5. Termination
--------------
5.1. The rights granted under this License will terminate automatically
if You fail to comply with any of its terms. However, if You become
compliant, then the rights granted under this License from a particular
Contributor are reinstated (a) provisionally, unless and until such
Contributor explicitly and finally terminates Your grants, and (b) on an
ongoing basis, if such Contributor fails to notify You of the
non-compliance by some reasonable means prior to 60 days after You have
come back into compliance. Moreover, Your grants from a particular
Contributor are reinstated on an ongoing basis if such Contributor
notifies You of the non-compliance by some reasonable means, this is the
first time You have received notice of non-compliance with this License
from such Contributor, and You become compliant prior to 30 days after
Your receipt of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all
end user license agreements (excluding distributors and resellers) which
have been validly granted by You or Your distributors under this License
prior to termination shall survive termination.
************************************************************************
* *
* 6. Disclaimer of Warranty *
* ------------------------- *
* *
* Covered Software is provided under this License on an "as is" *
* basis, without warranty of any kind, either expressed, implied, or *
* statutory, including, without limitation, warranties that the *
* Covered Software is free of defects, merchantable, fit for a *
* particular purpose or non-infringing. The entire risk as to the *
* quality and performance of the Covered Software is with You. *
* Should any Covered Software prove defective in any respect, You *
* (not any Contributor) assume the cost of any necessary servicing, *
* repair, or correction. This disclaimer of warranty constitutes an *
* essential part of this License. No use of any Covered Software is *
* authorized under this License except under this disclaimer. *
* *
************************************************************************
************************************************************************
* *
* 7. Limitation of Liability *
* -------------------------- *
* *
* Under no circumstances and under no legal theory, whether tort *
* (including negligence), contract, or otherwise, shall any *
* Contributor, or anyone who distributes Covered Software as *
* permitted above, be liable to You for any direct, indirect, *
* special, incidental, or consequential damages of any character *
* including, without limitation, damages for lost profits, loss of *
* goodwill, work stoppage, computer failure or malfunction, or any *
* and all other commercial damages or losses, even if such party *
* shall have been informed of the possibility of such damages. This *
* limitation of liability shall not apply to liability for death or *
* personal injury resulting from such party's negligence to the *
* extent applicable law prohibits such limitation. Some *
* jurisdictions do not allow the exclusion or limitation of *
* incidental or consequential damages, so this exclusion and *
* limitation may not apply to You. *
* *
************************************************************************
8. Litigation
-------------
Any litigation relating to this License may be brought only in the
courts of a jurisdiction where the defendant maintains its principal
place of business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions.
Nothing in this Section shall prevent a party's ability to bring
cross-claims or counter-claims.
9. Miscellaneous
----------------
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides
that the language of a contract shall be construed against the drafter
shall not be used to construe this License against a Contributor.
10. Versions of the License
---------------------------
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses
If You choose to distribute Source Code Form that is Incompatible With
Secondary Licenses under the terms of this version of the License, the
notice described in Exhibit B of this License must be attached.
Exhibit A - Source Code Form License Notice
-------------------------------------------
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular
file, then You may include the notice in a location (such as a LICENSE
file in a relevant directory) where a recipient would be likely to look
for such a notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
---------------------------------------------------------
This Source Code Form is "Incompatible With Secondary Licenses", as
defined by the Mozilla Public License, v. 2.0.

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# Go-MySQL-Driver
A MySQL-Driver for Go's [database/sql](https://golang.org/pkg/database/sql/) package
![Go-MySQL-Driver logo](https://raw.github.com/wiki/go-sql-driver/mysql/gomysql_m.png "Golang Gopher holding the MySQL Dolphin")
---------------------------------------
* [Features](#features)
* [Requirements](#requirements)
* [Installation](#installation)
* [Usage](#usage)
* [DSN (Data Source Name)](#dsn-data-source-name)
* [Password](#password)
* [Protocol](#protocol)
* [Address](#address)
* [Parameters](#parameters)
* [Examples](#examples)
* [Connection pool and timeouts](#connection-pool-and-timeouts)
* [LOAD DATA LOCAL INFILE support](#load-data-local-infile-support)
* [time.Time support](#timetime-support)
* [Unicode support](#unicode-support)
* [context.Context Support](#contextcontext-support)
* [Testing / Development](#testing--development)
* [License](#license)
---------------------------------------
## Features
* Lightweight and [fast](https://github.com/go-sql-driver/sql-benchmark "golang MySQL-Driver performance")
* Native Go implementation. No C-bindings, just pure Go
* Connections over TCP/IPv4, TCP/IPv6, Unix domain sockets or [custom protocols](https://godoc.org/github.com/go-sql-driver/mysql#DialFunc)
* Automatic handling of broken connections
* Automatic Connection Pooling *(by database/sql package)*
* Supports queries larger than 16MB
* Full [`sql.RawBytes`](https://golang.org/pkg/database/sql/#RawBytes) support.
* Intelligent `LONG DATA` handling in prepared statements
* Secure `LOAD DATA LOCAL INFILE` support with file Whitelisting and `io.Reader` support
* Optional `time.Time` parsing
* Optional placeholder interpolation
## Requirements
* Go 1.5 or higher
* MySQL (4.1+), MariaDB, Percona Server, Google CloudSQL or Sphinx (2.2.3+)
---------------------------------------
## Installation
Simple install the package to your [$GOPATH](https://github.com/golang/go/wiki/GOPATH "GOPATH") with the [go tool](https://golang.org/cmd/go/ "go command") from shell:
```bash
$ go get -u github.com/go-sql-driver/mysql
```
Make sure [Git is installed](https://git-scm.com/downloads) on your machine and in your system's `PATH`.
## Usage
_Go MySQL Driver_ is an implementation of Go's `database/sql/driver` interface. You only need to import the driver and can use the full [`database/sql`](https://golang.org/pkg/database/sql/) API then.
Use `mysql` as `driverName` and a valid [DSN](#dsn-data-source-name) as `dataSourceName`:
```go
import "database/sql"
import _ "github.com/go-sql-driver/mysql"
db, err := sql.Open("mysql", "user:password@/dbname")
```
[Examples are available in our Wiki](https://github.com/go-sql-driver/mysql/wiki/Examples "Go-MySQL-Driver Examples").
### DSN (Data Source Name)
The Data Source Name has a common format, like e.g. [PEAR DB](http://pear.php.net/manual/en/package.database.db.intro-dsn.php) uses it, but without type-prefix (optional parts marked by squared brackets):
```
[username[:password]@][protocol[(address)]]/dbname[?param1=value1&...&paramN=valueN]
```
A DSN in its fullest form:
```
username:password@protocol(address)/dbname?param=value
```
Except for the databasename, all values are optional. So the minimal DSN is:
```
/dbname
```
If you do not want to preselect a database, leave `dbname` empty:
```
/
```
This has the same effect as an empty DSN string:
```
```
Alternatively, [Config.FormatDSN](https://godoc.org/github.com/go-sql-driver/mysql#Config.FormatDSN) can be used to create a DSN string by filling a struct.
#### Password
Passwords can consist of any character. Escaping is **not** necessary.
#### Protocol
See [net.Dial](https://golang.org/pkg/net/#Dial) for more information which networks are available.
In general you should use an Unix domain socket if available and TCP otherwise for best performance.
#### Address
For TCP and UDP networks, addresses have the form `host[:port]`.
If `port` is omitted, the default port will be used.
If `host` is a literal IPv6 address, it must be enclosed in square brackets.
The functions [net.JoinHostPort](https://golang.org/pkg/net/#JoinHostPort) and [net.SplitHostPort](https://golang.org/pkg/net/#SplitHostPort) manipulate addresses in this form.
For Unix domain sockets the address is the absolute path to the MySQL-Server-socket, e.g. `/var/run/mysqld/mysqld.sock` or `/tmp/mysql.sock`.
#### Parameters
*Parameters are case-sensitive!*
Notice that any of `true`, `TRUE`, `True` or `1` is accepted to stand for a true boolean value. Not surprisingly, false can be specified as any of: `false`, `FALSE`, `False` or `0`.
##### `allowAllFiles`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowAllFiles=true` disables the file Whitelist for `LOAD DATA LOCAL INFILE` and allows *all* files.
[*Might be insecure!*](http://dev.mysql.com/doc/refman/5.7/en/load-data-local.html)
##### `allowCleartextPasswords`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowCleartextPasswords=true` allows using the [cleartext client side plugin](http://dev.mysql.com/doc/en/cleartext-authentication-plugin.html) if required by an account, such as one defined with the [PAM authentication plugin](http://dev.mysql.com/doc/en/pam-authentication-plugin.html). Sending passwords in clear text may be a security problem in some configurations. To avoid problems if there is any possibility that the password would be intercepted, clients should connect to MySQL Server using a method that protects the password. Possibilities include [TLS / SSL](#tls), IPsec, or a private network.
##### `allowNativePasswords`
```
Type: bool
Valid Values: true, false
Default: true
```
`allowNativePasswords=false` disallows the usage of MySQL native password method.
##### `allowOldPasswords`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowOldPasswords=true` allows the usage of the insecure old password method. This should be avoided, but is necessary in some cases. See also [the old_passwords wiki page](https://github.com/go-sql-driver/mysql/wiki/old_passwords).
##### `charset`
```
Type: string
Valid Values: <name>
Default: none
```
Sets the charset used for client-server interaction (`"SET NAMES <value>"`). If multiple charsets are set (separated by a comma), the following charset is used if setting the charset failes. This enables for example support for `utf8mb4` ([introduced in MySQL 5.5.3](http://dev.mysql.com/doc/refman/5.5/en/charset-unicode-utf8mb4.html)) with fallback to `utf8` for older servers (`charset=utf8mb4,utf8`).
Usage of the `charset` parameter is discouraged because it issues additional queries to the server.
Unless you need the fallback behavior, please use `collation` instead.
##### `collation`
```
Type: string
Valid Values: <name>
Default: utf8_general_ci
```
Sets the collation used for client-server interaction on connection. In contrast to `charset`, `collation` does not issue additional queries. If the specified collation is unavailable on the target server, the connection will fail.
A list of valid charsets for a server is retrievable with `SHOW COLLATION`.
##### `clientFoundRows`
```
Type: bool
Valid Values: true, false
Default: false
```
`clientFoundRows=true` causes an UPDATE to return the number of matching rows instead of the number of rows changed.
##### `columnsWithAlias`
```
Type: bool
Valid Values: true, false
Default: false
```
When `columnsWithAlias` is true, calls to `sql.Rows.Columns()` will return the table alias and the column name separated by a dot. For example:
```
SELECT u.id FROM users as u
```
will return `u.id` instead of just `id` if `columnsWithAlias=true`.
##### `interpolateParams`
```
Type: bool
Valid Values: true, false
Default: false
```
If `interpolateParams` is true, placeholders (`?`) in calls to `db.Query()` and `db.Exec()` are interpolated into a single query string with given parameters. This reduces the number of roundtrips, since the driver has to prepare a statement, execute it with given parameters and close the statement again with `interpolateParams=false`.
*This can not be used together with the multibyte encodings BIG5, CP932, GB2312, GBK or SJIS. These are blacklisted as they may [introduce a SQL injection vulnerability](http://stackoverflow.com/a/12118602/3430118)!*
##### `loc`
```
Type: string
Valid Values: <escaped name>
Default: UTC
```
Sets the location for time.Time values (when using `parseTime=true`). *"Local"* sets the system's location. See [time.LoadLocation](https://golang.org/pkg/time/#LoadLocation) for details.
Note that this sets the location for time.Time values but does not change MySQL's [time_zone setting](https://dev.mysql.com/doc/refman/5.5/en/time-zone-support.html). For that see the [time_zone system variable](#system-variables), which can also be set as a DSN parameter.
Please keep in mind, that param values must be [url.QueryEscape](https://golang.org/pkg/net/url/#QueryEscape)'ed. Alternatively you can manually replace the `/` with `%2F`. For example `US/Pacific` would be `loc=US%2FPacific`.
##### `maxAllowedPacket`
```
Type: decimal number
Default: 0
```
Max packet size allowed in bytes. Use `maxAllowedPacket=0` to automatically fetch the `max_allowed_packet` variable from server.
##### `multiStatements`
```
Type: bool
Valid Values: true, false
Default: false
```
Allow multiple statements in one query. While this allows batch queries, it also greatly increases the risk of SQL injections. Only the result of the first query is returned, all other results are silently discarded.
When `multiStatements` is used, `?` parameters must only be used in the first statement.
##### `parseTime`
```
Type: bool
Valid Values: true, false
Default: false
```
`parseTime=true` changes the output type of `DATE` and `DATETIME` values to `time.Time` instead of `[]byte` / `string`
##### `readTimeout`
```
Type: duration
Default: 0
```
I/O read timeout. The value must be a decimal number with a unit suffix (*"ms"*, *"s"*, *"m"*, *"h"*), such as *"30s"*, *"0.5m"* or *"1m30s"*.
##### `rejectReadOnly`
```
Type: bool
Valid Values: true, false
Default: false
```
`rejectreadOnly=true` causes the driver to reject read-only connections. This
is for a possible race condition during an automatic failover, where the mysql
client gets connected to a read-only replica after the failover.
Note that this should be a fairly rare case, as an automatic failover normally
happens when the primary is down, and the race condition shouldn't happen
unless it comes back up online as soon as the failover is kicked off. On the
other hand, when this happens, a MySQL application can get stuck on a
read-only connection until restarted. It is however fairly easy to reproduce,
for example, using a manual failover on AWS Aurora's MySQL-compatible cluster.
If you are not relying on read-only transactions to reject writes that aren't
supposed to happen, setting this on some MySQL providers (such as AWS Aurora)
is safer for failovers.
##### `timeout`
```
Type: duration
Default: OS default
```
Timeout for establishing connections, aka dial timeout. The value must be a decimal number with a unit suffix (*"ms"*, *"s"*, *"m"*, *"h"*), such as *"30s"*, *"0.5m"* or *"1m30s"*.
##### `tls`
```
Type: bool / string
Valid Values: true, false, skip-verify, <name>
Default: false
```
`tls=true` enables TLS / SSL encrypted connection to the server. Use `skip-verify` if you want to use a self-signed or invalid certificate (server side). Use a custom value registered with [`mysql.RegisterTLSConfig`](https://godoc.org/github.com/go-sql-driver/mysql#RegisterTLSConfig).
##### `writeTimeout`
```
Type: duration
Default: 0
```
I/O write timeout. The value must be a decimal number with a unit suffix (*"ms"*, *"s"*, *"m"*, *"h"*), such as *"30s"*, *"0.5m"* or *"1m30s"*.
##### System Variables
Any other parameters are interpreted as system variables:
* `<boolean_var>=<value>`: `SET <boolean_var>=<value>`
* `<enum_var>=<value>`: `SET <enum_var>=<value>`
* `<string_var>=%27<value>%27`: `SET <string_var>='<value>'`
Rules:
* The values for string variables must be quoted with `'`.
* The values must also be [url.QueryEscape](http://golang.org/pkg/net/url/#QueryEscape)'ed!
(which implies values of string variables must be wrapped with `%27`).
Examples:
* `autocommit=1`: `SET autocommit=1`
* [`time_zone=%27Europe%2FParis%27`](https://dev.mysql.com/doc/refman/5.5/en/time-zone-support.html): `SET time_zone='Europe/Paris'`
* [`tx_isolation=%27REPEATABLE-READ%27`](https://dev.mysql.com/doc/refman/5.5/en/server-system-variables.html#sysvar_tx_isolation): `SET tx_isolation='REPEATABLE-READ'`
#### Examples
```
user@unix(/path/to/socket)/dbname
```
```
root:pw@unix(/tmp/mysql.sock)/myDatabase?loc=Local
```
```
user:password@tcp(localhost:5555)/dbname?tls=skip-verify&autocommit=true
```
Treat warnings as errors by setting the system variable [`sql_mode`](https://dev.mysql.com/doc/refman/5.7/en/sql-mode.html):
```
user:password@/dbname?sql_mode=TRADITIONAL
```
TCP via IPv6:
```
user:password@tcp([de:ad:be:ef::ca:fe]:80)/dbname?timeout=90s&collation=utf8mb4_unicode_ci
```
TCP on a remote host, e.g. Amazon RDS:
```
id:password@tcp(your-amazonaws-uri.com:3306)/dbname
```
Google Cloud SQL on App Engine (First Generation MySQL Server):
```
user@cloudsql(project-id:instance-name)/dbname
```
Google Cloud SQL on App Engine (Second Generation MySQL Server):
```
user@cloudsql(project-id:regionname:instance-name)/dbname
```
TCP using default port (3306) on localhost:
```
user:password@tcp/dbname?charset=utf8mb4,utf8&sys_var=esc%40ped
```
Use the default protocol (tcp) and host (localhost:3306):
```
user:password@/dbname
```
No Database preselected:
```
user:password@/
```
### Connection pool and timeouts
The connection pool is managed by Go's database/sql package. For details on how to configure the size of the pool and how long connections stay in the pool see `*DB.SetMaxOpenConns`, `*DB.SetMaxIdleConns`, and `*DB.SetConnMaxLifetime` in the [database/sql documentation](https://golang.org/pkg/database/sql/). The read, write, and dial timeouts for each individual connection are configured with the DSN parameters [`readTimeout`](#readtimeout), [`writeTimeout`](#writetimeout), and [`timeout`](#timeout), respectively.
### `LOAD DATA LOCAL INFILE` support
For this feature you need direct access to the package. Therefore you must change the import path (no `_`):
```go
import "github.com/go-sql-driver/mysql"
```
Files must be whitelisted by registering them with `mysql.RegisterLocalFile(filepath)` (recommended) or the Whitelist check must be deactivated by using the DSN parameter `allowAllFiles=true` ([*Might be insecure!*](http://dev.mysql.com/doc/refman/5.7/en/load-data-local.html)).
To use a `io.Reader` a handler function must be registered with `mysql.RegisterReaderHandler(name, handler)` which returns a `io.Reader` or `io.ReadCloser`. The Reader is available with the filepath `Reader::<name>` then. Choose different names for different handlers and `DeregisterReaderHandler` when you don't need it anymore.
See the [godoc of Go-MySQL-Driver](https://godoc.org/github.com/go-sql-driver/mysql "golang mysql driver documentation") for details.
### `time.Time` support
The default internal output type of MySQL `DATE` and `DATETIME` values is `[]byte` which allows you to scan the value into a `[]byte`, `string` or `sql.RawBytes` variable in your program.
However, many want to scan MySQL `DATE` and `DATETIME` values into `time.Time` variables, which is the logical opposite in Go to `DATE` and `DATETIME` in MySQL. You can do that by changing the internal output type from `[]byte` to `time.Time` with the DSN parameter `parseTime=true`. You can set the default [`time.Time` location](https://golang.org/pkg/time/#Location) with the `loc` DSN parameter.
**Caution:** As of Go 1.1, this makes `time.Time` the only variable type you can scan `DATE` and `DATETIME` values into. This breaks for example [`sql.RawBytes` support](https://github.com/go-sql-driver/mysql/wiki/Examples#rawbytes).
Alternatively you can use the [`NullTime`](https://godoc.org/github.com/go-sql-driver/mysql#NullTime) type as the scan destination, which works with both `time.Time` and `string` / `[]byte`.
### Unicode support
Since version 1.1 Go-MySQL-Driver automatically uses the collation `utf8_general_ci` by default.
Other collations / charsets can be set using the [`collation`](#collation) DSN parameter.
Version 1.0 of the driver recommended adding `&charset=utf8` (alias for `SET NAMES utf8`) to the DSN to enable proper UTF-8 support. This is not necessary anymore. The [`collation`](#collation) parameter should be preferred to set another collation / charset than the default.
See http://dev.mysql.com/doc/refman/5.7/en/charset-unicode.html for more details on MySQL's Unicode support.
## `context.Context` Support
Go 1.8 added `database/sql` support for `context.Context`. This driver supports query timeouts and cancellation via contexts.
See [context support in the database/sql package](https://golang.org/doc/go1.8#database_sql) for more details.
## Testing / Development
To run the driver tests you may need to adjust the configuration. See the [Testing Wiki-Page](https://github.com/go-sql-driver/mysql/wiki/Testing "Testing") for details.
Go-MySQL-Driver is not feature-complete yet. Your help is very appreciated.
If you want to contribute, you can work on an [open issue](https://github.com/go-sql-driver/mysql/issues?state=open) or review a [pull request](https://github.com/go-sql-driver/mysql/pulls).
See the [Contribution Guidelines](https://github.com/go-sql-driver/mysql/blob/master/CONTRIBUTING.md) for details.
---------------------------------------
## License
Go-MySQL-Driver is licensed under the [Mozilla Public License Version 2.0](https://raw.github.com/go-sql-driver/mysql/master/LICENSE)
Mozilla summarizes the license scope as follows:
> MPL: The copyleft applies to any files containing MPLed code.
That means:
* You can **use** the **unchanged** source code both in private and commercially.
* When distributing, you **must publish** the source code of any **changed files** licensed under the MPL 2.0 under a) the MPL 2.0 itself or b) a compatible license (e.g. GPL 3.0 or Apache License 2.0).
* You **needn't publish** the source code of your library as long as the files licensed under the MPL 2.0 are **unchanged**.
Please read the [MPL 2.0 FAQ](https://www.mozilla.org/en-US/MPL/2.0/FAQ/) if you have further questions regarding the license.
You can read the full terms here: [LICENSE](https://raw.github.com/go-sql-driver/mysql/master/LICENSE).
![Go Gopher and MySQL Dolphin](https://raw.github.com/wiki/go-sql-driver/mysql/go-mysql-driver_m.jpg "Golang Gopher transporting the MySQL Dolphin in a wheelbarrow")

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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build appengine
package mysql
import (
"appengine/cloudsql"
)
func init() {
RegisterDial("cloudsql", cloudsql.Dial)
}

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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"io"
"net"
"time"
)
const defaultBufSize = 4096
// A buffer which is used for both reading and writing.
// This is possible since communication on each connection is synchronous.
// In other words, we can't write and read simultaneously on the same connection.
// The buffer is similar to bufio.Reader / Writer but zero-copy-ish
// Also highly optimized for this particular use case.
type buffer struct {
buf []byte
nc net.Conn
idx int
length int
timeout time.Duration
}
func newBuffer(nc net.Conn) buffer {
var b [defaultBufSize]byte
return buffer{
buf: b[:],
nc: nc,
}
}
// fill reads into the buffer until at least _need_ bytes are in it
func (b *buffer) fill(need int) error {
n := b.length
// move existing data to the beginning
if n > 0 && b.idx > 0 {
copy(b.buf[0:n], b.buf[b.idx:])
}
// grow buffer if necessary
// TODO: let the buffer shrink again at some point
// Maybe keep the org buf slice and swap back?
if need > len(b.buf) {
// Round up to the next multiple of the default size
newBuf := make([]byte, ((need/defaultBufSize)+1)*defaultBufSize)
copy(newBuf, b.buf)
b.buf = newBuf
}
b.idx = 0
for {
if b.timeout > 0 {
if err := b.nc.SetReadDeadline(time.Now().Add(b.timeout)); err != nil {
return err
}
}
nn, err := b.nc.Read(b.buf[n:])
n += nn
switch err {
case nil:
if n < need {
continue
}
b.length = n
return nil
case io.EOF:
if n >= need {
b.length = n
return nil
}
return io.ErrUnexpectedEOF
default:
return err
}
}
}
// returns next N bytes from buffer.
// The returned slice is only guaranteed to be valid until the next read
func (b *buffer) readNext(need int) ([]byte, error) {
if b.length < need {
// refill
if err := b.fill(need); err != nil {
return nil, err
}
}
offset := b.idx
b.idx += need
b.length -= need
return b.buf[offset:b.idx], nil
}
// returns a buffer with the requested size.
// If possible, a slice from the existing buffer is returned.
// Otherwise a bigger buffer is made.
// Only one buffer (total) can be used at a time.
func (b *buffer) takeBuffer(length int) []byte {
if b.length > 0 {
return nil
}
// test (cheap) general case first
if length <= defaultBufSize || length <= cap(b.buf) {
return b.buf[:length]
}
if length < maxPacketSize {
b.buf = make([]byte, length)
return b.buf
}
return make([]byte, length)
}
// shortcut which can be used if the requested buffer is guaranteed to be
// smaller than defaultBufSize
// Only one buffer (total) can be used at a time.
func (b *buffer) takeSmallBuffer(length int) []byte {
if b.length == 0 {
return b.buf[:length]
}
return nil
}
// takeCompleteBuffer returns the complete existing buffer.
// This can be used if the necessary buffer size is unknown.
// Only one buffer (total) can be used at a time.
func (b *buffer) takeCompleteBuffer() []byte {
if b.length == 0 {
return b.buf
}
return nil
}

250
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2014 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
const defaultCollation = "utf8_general_ci"
// A list of available collations mapped to the internal ID.
// To update this map use the following MySQL query:
// SELECT COLLATION_NAME, ID FROM information_schema.COLLATIONS
var collations = map[string]byte{
"big5_chinese_ci": 1,
"latin2_czech_cs": 2,
"dec8_swedish_ci": 3,
"cp850_general_ci": 4,
"latin1_german1_ci": 5,
"hp8_english_ci": 6,
"koi8r_general_ci": 7,
"latin1_swedish_ci": 8,
"latin2_general_ci": 9,
"swe7_swedish_ci": 10,
"ascii_general_ci": 11,
"ujis_japanese_ci": 12,
"sjis_japanese_ci": 13,
"cp1251_bulgarian_ci": 14,
"latin1_danish_ci": 15,
"hebrew_general_ci": 16,
"tis620_thai_ci": 18,
"euckr_korean_ci": 19,
"latin7_estonian_cs": 20,
"latin2_hungarian_ci": 21,
"koi8u_general_ci": 22,
"cp1251_ukrainian_ci": 23,
"gb2312_chinese_ci": 24,
"greek_general_ci": 25,
"cp1250_general_ci": 26,
"latin2_croatian_ci": 27,
"gbk_chinese_ci": 28,
"cp1257_lithuanian_ci": 29,
"latin5_turkish_ci": 30,
"latin1_german2_ci": 31,
"armscii8_general_ci": 32,
"utf8_general_ci": 33,
"cp1250_czech_cs": 34,
"ucs2_general_ci": 35,
"cp866_general_ci": 36,
"keybcs2_general_ci": 37,
"macce_general_ci": 38,
"macroman_general_ci": 39,
"cp852_general_ci": 40,
"latin7_general_ci": 41,
"latin7_general_cs": 42,
"macce_bin": 43,
"cp1250_croatian_ci": 44,
"utf8mb4_general_ci": 45,
"utf8mb4_bin": 46,
"latin1_bin": 47,
"latin1_general_ci": 48,
"latin1_general_cs": 49,
"cp1251_bin": 50,
"cp1251_general_ci": 51,
"cp1251_general_cs": 52,
"macroman_bin": 53,
"utf16_general_ci": 54,
"utf16_bin": 55,
"utf16le_general_ci": 56,
"cp1256_general_ci": 57,
"cp1257_bin": 58,
"cp1257_general_ci": 59,
"utf32_general_ci": 60,
"utf32_bin": 61,
"utf16le_bin": 62,
"binary": 63,
"armscii8_bin": 64,
"ascii_bin": 65,
"cp1250_bin": 66,
"cp1256_bin": 67,
"cp866_bin": 68,
"dec8_bin": 69,
"greek_bin": 70,
"hebrew_bin": 71,
"hp8_bin": 72,
"keybcs2_bin": 73,
"koi8r_bin": 74,
"koi8u_bin": 75,
"latin2_bin": 77,
"latin5_bin": 78,
"latin7_bin": 79,
"cp850_bin": 80,
"cp852_bin": 81,
"swe7_bin": 82,
"utf8_bin": 83,
"big5_bin": 84,
"euckr_bin": 85,
"gb2312_bin": 86,
"gbk_bin": 87,
"sjis_bin": 88,
"tis620_bin": 89,
"ucs2_bin": 90,
"ujis_bin": 91,
"geostd8_general_ci": 92,
"geostd8_bin": 93,
"latin1_spanish_ci": 94,
"cp932_japanese_ci": 95,
"cp932_bin": 96,
"eucjpms_japanese_ci": 97,
"eucjpms_bin": 98,
"cp1250_polish_ci": 99,
"utf16_unicode_ci": 101,
"utf16_icelandic_ci": 102,
"utf16_latvian_ci": 103,
"utf16_romanian_ci": 104,
"utf16_slovenian_ci": 105,
"utf16_polish_ci": 106,
"utf16_estonian_ci": 107,
"utf16_spanish_ci": 108,
"utf16_swedish_ci": 109,
"utf16_turkish_ci": 110,
"utf16_czech_ci": 111,
"utf16_danish_ci": 112,
"utf16_lithuanian_ci": 113,
"utf16_slovak_ci": 114,
"utf16_spanish2_ci": 115,
"utf16_roman_ci": 116,
"utf16_persian_ci": 117,
"utf16_esperanto_ci": 118,
"utf16_hungarian_ci": 119,
"utf16_sinhala_ci": 120,
"utf16_german2_ci": 121,
"utf16_croatian_ci": 122,
"utf16_unicode_520_ci": 123,
"utf16_vietnamese_ci": 124,
"ucs2_unicode_ci": 128,
"ucs2_icelandic_ci": 129,
"ucs2_latvian_ci": 130,
"ucs2_romanian_ci": 131,
"ucs2_slovenian_ci": 132,
"ucs2_polish_ci": 133,
"ucs2_estonian_ci": 134,
"ucs2_spanish_ci": 135,
"ucs2_swedish_ci": 136,
"ucs2_turkish_ci": 137,
"ucs2_czech_ci": 138,
"ucs2_danish_ci": 139,
"ucs2_lithuanian_ci": 140,
"ucs2_slovak_ci": 141,
"ucs2_spanish2_ci": 142,
"ucs2_roman_ci": 143,
"ucs2_persian_ci": 144,
"ucs2_esperanto_ci": 145,
"ucs2_hungarian_ci": 146,
"ucs2_sinhala_ci": 147,
"ucs2_german2_ci": 148,
"ucs2_croatian_ci": 149,
"ucs2_unicode_520_ci": 150,
"ucs2_vietnamese_ci": 151,
"ucs2_general_mysql500_ci": 159,
"utf32_unicode_ci": 160,
"utf32_icelandic_ci": 161,
"utf32_latvian_ci": 162,
"utf32_romanian_ci": 163,
"utf32_slovenian_ci": 164,
"utf32_polish_ci": 165,
"utf32_estonian_ci": 166,
"utf32_spanish_ci": 167,
"utf32_swedish_ci": 168,
"utf32_turkish_ci": 169,
"utf32_czech_ci": 170,
"utf32_danish_ci": 171,
"utf32_lithuanian_ci": 172,
"utf32_slovak_ci": 173,
"utf32_spanish2_ci": 174,
"utf32_roman_ci": 175,
"utf32_persian_ci": 176,
"utf32_esperanto_ci": 177,
"utf32_hungarian_ci": 178,
"utf32_sinhala_ci": 179,
"utf32_german2_ci": 180,
"utf32_croatian_ci": 181,
"utf32_unicode_520_ci": 182,
"utf32_vietnamese_ci": 183,
"utf8_unicode_ci": 192,
"utf8_icelandic_ci": 193,
"utf8_latvian_ci": 194,
"utf8_romanian_ci": 195,
"utf8_slovenian_ci": 196,
"utf8_polish_ci": 197,
"utf8_estonian_ci": 198,
"utf8_spanish_ci": 199,
"utf8_swedish_ci": 200,
"utf8_turkish_ci": 201,
"utf8_czech_ci": 202,
"utf8_danish_ci": 203,
"utf8_lithuanian_ci": 204,
"utf8_slovak_ci": 205,
"utf8_spanish2_ci": 206,
"utf8_roman_ci": 207,
"utf8_persian_ci": 208,
"utf8_esperanto_ci": 209,
"utf8_hungarian_ci": 210,
"utf8_sinhala_ci": 211,
"utf8_german2_ci": 212,
"utf8_croatian_ci": 213,
"utf8_unicode_520_ci": 214,
"utf8_vietnamese_ci": 215,
"utf8_general_mysql500_ci": 223,
"utf8mb4_unicode_ci": 224,
"utf8mb4_icelandic_ci": 225,
"utf8mb4_latvian_ci": 226,
"utf8mb4_romanian_ci": 227,
"utf8mb4_slovenian_ci": 228,
"utf8mb4_polish_ci": 229,
"utf8mb4_estonian_ci": 230,
"utf8mb4_spanish_ci": 231,
"utf8mb4_swedish_ci": 232,
"utf8mb4_turkish_ci": 233,
"utf8mb4_czech_ci": 234,
"utf8mb4_danish_ci": 235,
"utf8mb4_lithuanian_ci": 236,
"utf8mb4_slovak_ci": 237,
"utf8mb4_spanish2_ci": 238,
"utf8mb4_roman_ci": 239,
"utf8mb4_persian_ci": 240,
"utf8mb4_esperanto_ci": 241,
"utf8mb4_hungarian_ci": 242,
"utf8mb4_sinhala_ci": 243,
"utf8mb4_german2_ci": 244,
"utf8mb4_croatian_ci": 245,
"utf8mb4_unicode_520_ci": 246,
"utf8mb4_vietnamese_ci": 247,
}
// A blacklist of collations which is unsafe to interpolate parameters.
// These multibyte encodings may contains 0x5c (`\`) in their trailing bytes.
var unsafeCollations = map[string]bool{
"big5_chinese_ci": true,
"sjis_japanese_ci": true,
"gbk_chinese_ci": true,
"big5_bin": true,
"gb2312_bin": true,
"gbk_bin": true,
"sjis_bin": true,
"cp932_japanese_ci": true,
"cp932_bin": true,
}

460
vendor/github.com/go-sql-driver/mysql/connection.go generated vendored Normal file
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@ -0,0 +1,460 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql/driver"
"io"
"net"
"strconv"
"strings"
"time"
)
// a copy of context.Context for Go 1.7 and earlier
type mysqlContext interface {
Done() <-chan struct{}
Err() error
// defined in context.Context, but not used in this driver:
// Deadline() (deadline time.Time, ok bool)
// Value(key interface{}) interface{}
}
type mysqlConn struct {
buf buffer
netConn net.Conn
affectedRows uint64
insertId uint64
cfg *Config
maxAllowedPacket int
maxWriteSize int
writeTimeout time.Duration
flags clientFlag
status statusFlag
sequence uint8
parseTime bool
// for context support (Go 1.8+)
watching bool
watcher chan<- mysqlContext
closech chan struct{}
finished chan<- struct{}
canceled atomicError // set non-nil if conn is canceled
closed atomicBool // set when conn is closed, before closech is closed
}
// Handles parameters set in DSN after the connection is established
func (mc *mysqlConn) handleParams() (err error) {
for param, val := range mc.cfg.Params {
switch param {
// Charset
case "charset":
charsets := strings.Split(val, ",")
for i := range charsets {
// ignore errors here - a charset may not exist
err = mc.exec("SET NAMES " + charsets[i])
if err == nil {
break
}
}
if err != nil {
return
}
// System Vars
default:
err = mc.exec("SET " + param + "=" + val + "")
if err != nil {
return
}
}
}
return
}
func (mc *mysqlConn) markBadConn(err error) error {
if mc == nil {
return err
}
if err != errBadConnNoWrite {
return err
}
return driver.ErrBadConn
}
func (mc *mysqlConn) Begin() (driver.Tx, error) {
return mc.begin(false)
}
func (mc *mysqlConn) begin(readOnly bool) (driver.Tx, error) {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
var q string
if readOnly {
q = "START TRANSACTION READ ONLY"
} else {
q = "START TRANSACTION"
}
err := mc.exec(q)
if err == nil {
return &mysqlTx{mc}, err
}
return nil, mc.markBadConn(err)
}
func (mc *mysqlConn) Close() (err error) {
// Makes Close idempotent
if !mc.closed.IsSet() {
err = mc.writeCommandPacket(comQuit)
}
mc.cleanup()
return
}
// Closes the network connection and unsets internal variables. Do not call this
// function after successfully authentication, call Close instead. This function
// is called before auth or on auth failure because MySQL will have already
// closed the network connection.
func (mc *mysqlConn) cleanup() {
if !mc.closed.TrySet(true) {
return
}
// Makes cleanup idempotent
close(mc.closech)
if mc.netConn == nil {
return
}
if err := mc.netConn.Close(); err != nil {
errLog.Print(err)
}
}
func (mc *mysqlConn) error() error {
if mc.closed.IsSet() {
if err := mc.canceled.Value(); err != nil {
return err
}
return ErrInvalidConn
}
return nil
}
func (mc *mysqlConn) Prepare(query string) (driver.Stmt, error) {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
// Send command
err := mc.writeCommandPacketStr(comStmtPrepare, query)
if err != nil {
return nil, mc.markBadConn(err)
}
stmt := &mysqlStmt{
mc: mc,
}
// Read Result
columnCount, err := stmt.readPrepareResultPacket()
if err == nil {
if stmt.paramCount > 0 {
if err = mc.readUntilEOF(); err != nil {
return nil, err
}
}
if columnCount > 0 {
err = mc.readUntilEOF()
}
}
return stmt, err
}
func (mc *mysqlConn) interpolateParams(query string, args []driver.Value) (string, error) {
// Number of ? should be same to len(args)
if strings.Count(query, "?") != len(args) {
return "", driver.ErrSkip
}
buf := mc.buf.takeCompleteBuffer()
if buf == nil {
// can not take the buffer. Something must be wrong with the connection
errLog.Print(ErrBusyBuffer)
return "", ErrInvalidConn
}
buf = buf[:0]
argPos := 0
for i := 0; i < len(query); i++ {
q := strings.IndexByte(query[i:], '?')
if q == -1 {
buf = append(buf, query[i:]...)
break
}
buf = append(buf, query[i:i+q]...)
i += q
arg := args[argPos]
argPos++
if arg == nil {
buf = append(buf, "NULL"...)
continue
}
switch v := arg.(type) {
case int64:
buf = strconv.AppendInt(buf, v, 10)
case float64:
buf = strconv.AppendFloat(buf, v, 'g', -1, 64)
case bool:
if v {
buf = append(buf, '1')
} else {
buf = append(buf, '0')
}
case time.Time:
if v.IsZero() {
buf = append(buf, "'0000-00-00'"...)
} else {
v := v.In(mc.cfg.Loc)
v = v.Add(time.Nanosecond * 500) // To round under microsecond
year := v.Year()
year100 := year / 100
year1 := year % 100
month := v.Month()
day := v.Day()
hour := v.Hour()
minute := v.Minute()
second := v.Second()
micro := v.Nanosecond() / 1000
buf = append(buf, []byte{
'\'',
digits10[year100], digits01[year100],
digits10[year1], digits01[year1],
'-',
digits10[month], digits01[month],
'-',
digits10[day], digits01[day],
' ',
digits10[hour], digits01[hour],
':',
digits10[minute], digits01[minute],
':',
digits10[second], digits01[second],
}...)
if micro != 0 {
micro10000 := micro / 10000
micro100 := micro / 100 % 100
micro1 := micro % 100
buf = append(buf, []byte{
'.',
digits10[micro10000], digits01[micro10000],
digits10[micro100], digits01[micro100],
digits10[micro1], digits01[micro1],
}...)
}
buf = append(buf, '\'')
}
case []byte:
if v == nil {
buf = append(buf, "NULL"...)
} else {
buf = append(buf, "_binary'"...)
if mc.status&statusNoBackslashEscapes == 0 {
buf = escapeBytesBackslash(buf, v)
} else {
buf = escapeBytesQuotes(buf, v)
}
buf = append(buf, '\'')
}
case string:
buf = append(buf, '\'')
if mc.status&statusNoBackslashEscapes == 0 {
buf = escapeStringBackslash(buf, v)
} else {
buf = escapeStringQuotes(buf, v)
}
buf = append(buf, '\'')
default:
return "", driver.ErrSkip
}
if len(buf)+4 > mc.maxAllowedPacket {
return "", driver.ErrSkip
}
}
if argPos != len(args) {
return "", driver.ErrSkip
}
return string(buf), nil
}
func (mc *mysqlConn) Exec(query string, args []driver.Value) (driver.Result, error) {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
if len(args) != 0 {
if !mc.cfg.InterpolateParams {
return nil, driver.ErrSkip
}
// try to interpolate the parameters to save extra roundtrips for preparing and closing a statement
prepared, err := mc.interpolateParams(query, args)
if err != nil {
return nil, err
}
query = prepared
}
mc.affectedRows = 0
mc.insertId = 0
err := mc.exec(query)
if err == nil {
return &mysqlResult{
affectedRows: int64(mc.affectedRows),
insertId: int64(mc.insertId),
}, err
}
return nil, mc.markBadConn(err)
}
// Internal function to execute commands
func (mc *mysqlConn) exec(query string) error {
// Send command
if err := mc.writeCommandPacketStr(comQuery, query); err != nil {
return mc.markBadConn(err)
}
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err != nil {
return err
}
if resLen > 0 {
// columns
if err := mc.readUntilEOF(); err != nil {
return err
}
// rows
if err := mc.readUntilEOF(); err != nil {
return err
}
}
return mc.discardResults()
}
func (mc *mysqlConn) Query(query string, args []driver.Value) (driver.Rows, error) {
return mc.query(query, args)
}
func (mc *mysqlConn) query(query string, args []driver.Value) (*textRows, error) {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
if len(args) != 0 {
if !mc.cfg.InterpolateParams {
return nil, driver.ErrSkip
}
// try client-side prepare to reduce roundtrip
prepared, err := mc.interpolateParams(query, args)
if err != nil {
return nil, err
}
query = prepared
}
// Send command
err := mc.writeCommandPacketStr(comQuery, query)
if err == nil {
// Read Result
var resLen int
resLen, err = mc.readResultSetHeaderPacket()
if err == nil {
rows := new(textRows)
rows.mc = mc
if resLen == 0 {
rows.rs.done = true
switch err := rows.NextResultSet(); err {
case nil, io.EOF:
return rows, nil
default:
return nil, err
}
}
// Columns
rows.rs.columns, err = mc.readColumns(resLen)
return rows, err
}
}
return nil, mc.markBadConn(err)
}
// Gets the value of the given MySQL System Variable
// The returned byte slice is only valid until the next read
func (mc *mysqlConn) getSystemVar(name string) ([]byte, error) {
// Send command
if err := mc.writeCommandPacketStr(comQuery, "SELECT @@"+name); err != nil {
return nil, err
}
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err == nil {
rows := new(textRows)
rows.mc = mc
rows.rs.columns = []mysqlField{{fieldType: fieldTypeVarChar}}
if resLen > 0 {
// Columns
if err := mc.readUntilEOF(); err != nil {
return nil, err
}
}
dest := make([]driver.Value, resLen)
if err = rows.readRow(dest); err == nil {
return dest[0].([]byte), mc.readUntilEOF()
}
}
return nil, err
}
// finish is called when the query has canceled.
func (mc *mysqlConn) cancel(err error) {
mc.canceled.Set(err)
mc.cleanup()
}
// finish is called when the query has succeeded.
func (mc *mysqlConn) finish() {
if !mc.watching || mc.finished == nil {
return
}
select {
case mc.finished <- struct{}{}:
mc.watching = false
case <-mc.closech:
}
}

197
vendor/github.com/go-sql-driver/mysql/connection_go18.go generated vendored Normal file
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@ -0,0 +1,197 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build go1.8
package mysql
import (
"context"
"database/sql"
"database/sql/driver"
)
// Ping implements driver.Pinger interface
func (mc *mysqlConn) Ping(ctx context.Context) error {
if mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return driver.ErrBadConn
}
if err := mc.watchCancel(ctx); err != nil {
return err
}
defer mc.finish()
if err := mc.writeCommandPacket(comPing); err != nil {
return err
}
if _, err := mc.readResultOK(); err != nil {
return err
}
return nil
}
// BeginTx implements driver.ConnBeginTx interface
func (mc *mysqlConn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
defer mc.finish()
if sql.IsolationLevel(opts.Isolation) != sql.LevelDefault {
level, err := mapIsolationLevel(opts.Isolation)
if err != nil {
return nil, err
}
err = mc.exec("SET TRANSACTION ISOLATION LEVEL " + level)
if err != nil {
return nil, err
}
}
return mc.begin(opts.ReadOnly)
}
func (mc *mysqlConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
rows, err := mc.query(query, dargs)
if err != nil {
mc.finish()
return nil, err
}
rows.finish = mc.finish
return rows, err
}
func (mc *mysqlConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
defer mc.finish()
return mc.Exec(query, dargs)
}
func (mc *mysqlConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
stmt, err := mc.Prepare(query)
mc.finish()
if err != nil {
return nil, err
}
select {
default:
case <-ctx.Done():
stmt.Close()
return nil, ctx.Err()
}
return stmt, nil
}
func (stmt *mysqlStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := stmt.mc.watchCancel(ctx); err != nil {
return nil, err
}
rows, err := stmt.query(dargs)
if err != nil {
stmt.mc.finish()
return nil, err
}
rows.finish = stmt.mc.finish
return rows, err
}
func (stmt *mysqlStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := stmt.mc.watchCancel(ctx); err != nil {
return nil, err
}
defer stmt.mc.finish()
return stmt.Exec(dargs)
}
func (mc *mysqlConn) watchCancel(ctx context.Context) error {
if mc.watching {
// Reach here if canceled,
// so the connection is already invalid
mc.cleanup()
return nil
}
if ctx.Done() == nil {
return nil
}
mc.watching = true
select {
default:
case <-ctx.Done():
return ctx.Err()
}
if mc.watcher == nil {
return nil
}
mc.watcher <- ctx
return nil
}
func (mc *mysqlConn) startWatcher() {
watcher := make(chan mysqlContext, 1)
mc.watcher = watcher
finished := make(chan struct{})
mc.finished = finished
go func() {
for {
var ctx mysqlContext
select {
case ctx = <-watcher:
case <-mc.closech:
return
}
select {
case <-ctx.Done():
mc.cancel(ctx.Err())
case <-finished:
case <-mc.closech:
return
}
}
}()
}

163
vendor/github.com/go-sql-driver/mysql/const.go generated vendored Normal file
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@ -0,0 +1,163 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
const (
minProtocolVersion byte = 10
maxPacketSize = 1<<24 - 1
timeFormat = "2006-01-02 15:04:05.999999"
)
// MySQL constants documentation:
// http://dev.mysql.com/doc/internals/en/client-server-protocol.html
const (
iOK byte = 0x00
iLocalInFile byte = 0xfb
iEOF byte = 0xfe
iERR byte = 0xff
)
// https://dev.mysql.com/doc/internals/en/capability-flags.html#packet-Protocol::CapabilityFlags
type clientFlag uint32
const (
clientLongPassword clientFlag = 1 << iota
clientFoundRows
clientLongFlag
clientConnectWithDB
clientNoSchema
clientCompress
clientODBC
clientLocalFiles
clientIgnoreSpace
clientProtocol41
clientInteractive
clientSSL
clientIgnoreSIGPIPE
clientTransactions
clientReserved
clientSecureConn
clientMultiStatements
clientMultiResults
clientPSMultiResults
clientPluginAuth
clientConnectAttrs
clientPluginAuthLenEncClientData
clientCanHandleExpiredPasswords
clientSessionTrack
clientDeprecateEOF
)
const (
comQuit byte = iota + 1
comInitDB
comQuery
comFieldList
comCreateDB
comDropDB
comRefresh
comShutdown
comStatistics
comProcessInfo
comConnect
comProcessKill
comDebug
comPing
comTime
comDelayedInsert
comChangeUser
comBinlogDump
comTableDump
comConnectOut
comRegisterSlave
comStmtPrepare
comStmtExecute
comStmtSendLongData
comStmtClose
comStmtReset
comSetOption
comStmtFetch
)
// https://dev.mysql.com/doc/internals/en/com-query-response.html#packet-Protocol::ColumnType
const (
fieldTypeDecimal byte = iota
fieldTypeTiny
fieldTypeShort
fieldTypeLong
fieldTypeFloat
fieldTypeDouble
fieldTypeNULL
fieldTypeTimestamp
fieldTypeLongLong
fieldTypeInt24
fieldTypeDate
fieldTypeTime
fieldTypeDateTime
fieldTypeYear
fieldTypeNewDate
fieldTypeVarChar
fieldTypeBit
)
const (
fieldTypeJSON byte = iota + 0xf5
fieldTypeNewDecimal
fieldTypeEnum
fieldTypeSet
fieldTypeTinyBLOB
fieldTypeMediumBLOB
fieldTypeLongBLOB
fieldTypeBLOB
fieldTypeVarString
fieldTypeString
fieldTypeGeometry
)
type fieldFlag uint16
const (
flagNotNULL fieldFlag = 1 << iota
flagPriKey
flagUniqueKey
flagMultipleKey
flagBLOB
flagUnsigned
flagZeroFill
flagBinary
flagEnum
flagAutoIncrement
flagTimestamp
flagSet
flagUnknown1
flagUnknown2
flagUnknown3
flagUnknown4
)
// http://dev.mysql.com/doc/internals/en/status-flags.html
type statusFlag uint16
const (
statusInTrans statusFlag = 1 << iota
statusInAutocommit
statusReserved // Not in documentation
statusMoreResultsExists
statusNoGoodIndexUsed
statusNoIndexUsed
statusCursorExists
statusLastRowSent
statusDbDropped
statusNoBackslashEscapes
statusMetadataChanged
statusQueryWasSlow
statusPsOutParams
statusInTransReadonly
statusSessionStateChanged
)

193
vendor/github.com/go-sql-driver/mysql/driver.go generated vendored Normal file
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@ -0,0 +1,193 @@
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// Package mysql provides a MySQL driver for Go's database/sql package.
//
// The driver should be used via the database/sql package:
//
// import "database/sql"
// import _ "github.com/go-sql-driver/mysql"
//
// db, err := sql.Open("mysql", "user:password@/dbname")
//
// See https://github.com/go-sql-driver/mysql#usage for details
package mysql
import (
"database/sql"
"database/sql/driver"
"net"
)
// watcher interface is used for context support (From Go 1.8)
type watcher interface {
startWatcher()
}
// MySQLDriver is exported to make the driver directly accessible.
// In general the driver is used via the database/sql package.
type MySQLDriver struct{}
// DialFunc is a function which can be used to establish the network connection.
// Custom dial functions must be registered with RegisterDial
type DialFunc func(addr string) (net.Conn, error)
var dials map[string]DialFunc
// RegisterDial registers a custom dial function. It can then be used by the
// network address mynet(addr), where mynet is the registered new network.
// addr is passed as a parameter to the dial function.
func RegisterDial(net string, dial DialFunc) {
if dials == nil {
dials = make(map[string]DialFunc)
}
dials[net] = dial
}
// Open new Connection.
// See https://github.com/go-sql-driver/mysql#dsn-data-source-name for how
// the DSN string is formated
func (d MySQLDriver) Open(dsn string) (driver.Conn, error) {
var err error
// New mysqlConn
mc := &mysqlConn{
maxAllowedPacket: maxPacketSize,
maxWriteSize: maxPacketSize - 1,
closech: make(chan struct{}),
}
mc.cfg, err = ParseDSN(dsn)
if err != nil {
return nil, err
}
mc.parseTime = mc.cfg.ParseTime
// Connect to Server
if dial, ok := dials[mc.cfg.Net]; ok {
mc.netConn, err = dial(mc.cfg.Addr)
} else {
nd := net.Dialer{Timeout: mc.cfg.Timeout}
mc.netConn, err = nd.Dial(mc.cfg.Net, mc.cfg.Addr)
}
if err != nil {
return nil, err
}
// Enable TCP Keepalives on TCP connections
if tc, ok := mc.netConn.(*net.TCPConn); ok {
if err := tc.SetKeepAlive(true); err != nil {
// Don't send COM_QUIT before handshake.
mc.netConn.Close()
mc.netConn = nil
return nil, err
}
}
// Call startWatcher for context support (From Go 1.8)
if s, ok := interface{}(mc).(watcher); ok {
s.startWatcher()
}
mc.buf = newBuffer(mc.netConn)
// Set I/O timeouts
mc.buf.timeout = mc.cfg.ReadTimeout
mc.writeTimeout = mc.cfg.WriteTimeout
// Reading Handshake Initialization Packet
cipher, err := mc.readInitPacket()
if err != nil {
mc.cleanup()
return nil, err
}
// Send Client Authentication Packet
if err = mc.writeAuthPacket(cipher); err != nil {
mc.cleanup()
return nil, err
}
// Handle response to auth packet, switch methods if possible
if err = handleAuthResult(mc, cipher); err != nil {
// Authentication failed and MySQL has already closed the connection
// (https://dev.mysql.com/doc/internals/en/authentication-fails.html).
// Do not send COM_QUIT, just cleanup and return the error.
mc.cleanup()
return nil, err
}
if mc.cfg.MaxAllowedPacket > 0 {
mc.maxAllowedPacket = mc.cfg.MaxAllowedPacket
} else {
// Get max allowed packet size
maxap, err := mc.getSystemVar("max_allowed_packet")
if err != nil {
mc.Close()
return nil, err
}
mc.maxAllowedPacket = stringToInt(maxap) - 1
}
if mc.maxAllowedPacket < maxPacketSize {
mc.maxWriteSize = mc.maxAllowedPacket
}
// Handle DSN Params
err = mc.handleParams()
if err != nil {
mc.Close()
return nil, err
}
return mc, nil
}
func handleAuthResult(mc *mysqlConn, oldCipher []byte) error {
// Read Result Packet
cipher, err := mc.readResultOK()
if err == nil {
return nil // auth successful
}
if mc.cfg == nil {
return err // auth failed and retry not possible
}
// Retry auth if configured to do so.
if mc.cfg.AllowOldPasswords && err == ErrOldPassword {
// Retry with old authentication method. Note: there are edge cases
// where this should work but doesn't; this is currently "wontfix":
// https://github.com/go-sql-driver/mysql/issues/184
// If CLIENT_PLUGIN_AUTH capability is not supported, no new cipher is
// sent and we have to keep using the cipher sent in the init packet.
if cipher == nil {
cipher = oldCipher
}
if err = mc.writeOldAuthPacket(cipher); err != nil {
return err
}
_, err = mc.readResultOK()
} else if mc.cfg.AllowCleartextPasswords && err == ErrCleartextPassword {
// Retry with clear text password for
// http://dev.mysql.com/doc/refman/5.7/en/cleartext-authentication-plugin.html
// http://dev.mysql.com/doc/refman/5.7/en/pam-authentication-plugin.html
if err = mc.writeClearAuthPacket(); err != nil {
return err
}
_, err = mc.readResultOK()
} else if mc.cfg.AllowNativePasswords && err == ErrNativePassword {
if err = mc.writeNativeAuthPacket(cipher); err != nil {
return err
}
_, err = mc.readResultOK()
}
return err
}
func init() {
sql.Register("mysql", &MySQLDriver{})
}

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vendor/github.com/go-sql-driver/mysql/dsn.go generated vendored Normal file
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2016 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"bytes"
"crypto/tls"
"errors"
"fmt"
"net"
"net/url"
"sort"
"strconv"
"strings"
"time"
)
var (
errInvalidDSNUnescaped = errors.New("invalid DSN: did you forget to escape a param value?")
errInvalidDSNAddr = errors.New("invalid DSN: network address not terminated (missing closing brace)")
errInvalidDSNNoSlash = errors.New("invalid DSN: missing the slash separating the database name")
errInvalidDSNUnsafeCollation = errors.New("invalid DSN: interpolateParams can not be used with unsafe collations")
)
// Config is a configuration parsed from a DSN string.
// If a new Config is created instead of being parsed from a DSN string,
// the NewConfig function should be used, which sets default values.
type Config struct {
User string // Username
Passwd string // Password (requires User)
Net string // Network type
Addr string // Network address (requires Net)
DBName string // Database name
Params map[string]string // Connection parameters
Collation string // Connection collation
Loc *time.Location // Location for time.Time values
MaxAllowedPacket int // Max packet size allowed
TLSConfig string // TLS configuration name
tls *tls.Config // TLS configuration
Timeout time.Duration // Dial timeout
ReadTimeout time.Duration // I/O read timeout
WriteTimeout time.Duration // I/O write timeout
AllowAllFiles bool // Allow all files to be used with LOAD DATA LOCAL INFILE
AllowCleartextPasswords bool // Allows the cleartext client side plugin
AllowNativePasswords bool // Allows the native password authentication method
AllowOldPasswords bool // Allows the old insecure password method
ClientFoundRows bool // Return number of matching rows instead of rows changed
ColumnsWithAlias bool // Prepend table alias to column names
InterpolateParams bool // Interpolate placeholders into query string
MultiStatements bool // Allow multiple statements in one query
ParseTime bool // Parse time values to time.Time
RejectReadOnly bool // Reject read-only connections
}
// NewConfig creates a new Config and sets default values.
func NewConfig() *Config {
return &Config{
Collation: defaultCollation,
Loc: time.UTC,
AllowNativePasswords: true,
}
}
func (cfg *Config) normalize() error {
if cfg.InterpolateParams && unsafeCollations[cfg.Collation] {
return errInvalidDSNUnsafeCollation
}
// Set default network if empty
if cfg.Net == "" {
cfg.Net = "tcp"
}
// Set default address if empty
if cfg.Addr == "" {
switch cfg.Net {
case "tcp":
cfg.Addr = "127.0.0.1:3306"
case "unix":
cfg.Addr = "/tmp/mysql.sock"
default:
return errors.New("default addr for network '" + cfg.Net + "' unknown")
}
} else if cfg.Net == "tcp" {
cfg.Addr = ensureHavePort(cfg.Addr)
}
return nil
}
// FormatDSN formats the given Config into a DSN string which can be passed to
// the driver.
func (cfg *Config) FormatDSN() string {
var buf bytes.Buffer
// [username[:password]@]
if len(cfg.User) > 0 {
buf.WriteString(cfg.User)
if len(cfg.Passwd) > 0 {
buf.WriteByte(':')
buf.WriteString(cfg.Passwd)
}
buf.WriteByte('@')
}
// [protocol[(address)]]
if len(cfg.Net) > 0 {
buf.WriteString(cfg.Net)
if len(cfg.Addr) > 0 {
buf.WriteByte('(')
buf.WriteString(cfg.Addr)
buf.WriteByte(')')
}
}
// /dbname
buf.WriteByte('/')
buf.WriteString(cfg.DBName)
// [?param1=value1&...&paramN=valueN]
hasParam := false
if cfg.AllowAllFiles {
hasParam = true
buf.WriteString("?allowAllFiles=true")
}
if cfg.AllowCleartextPasswords {
if hasParam {
buf.WriteString("&allowCleartextPasswords=true")
} else {
hasParam = true
buf.WriteString("?allowCleartextPasswords=true")
}
}
if !cfg.AllowNativePasswords {
if hasParam {
buf.WriteString("&allowNativePasswords=false")
} else {
hasParam = true
buf.WriteString("?allowNativePasswords=false")
}
}
if cfg.AllowOldPasswords {
if hasParam {
buf.WriteString("&allowOldPasswords=true")
} else {
hasParam = true
buf.WriteString("?allowOldPasswords=true")
}
}
if cfg.ClientFoundRows {
if hasParam {
buf.WriteString("&clientFoundRows=true")
} else {
hasParam = true
buf.WriteString("?clientFoundRows=true")
}
}
if col := cfg.Collation; col != defaultCollation && len(col) > 0 {
if hasParam {
buf.WriteString("&collation=")
} else {
hasParam = true
buf.WriteString("?collation=")
}
buf.WriteString(col)
}
if cfg.ColumnsWithAlias {
if hasParam {
buf.WriteString("&columnsWithAlias=true")
} else {
hasParam = true
buf.WriteString("?columnsWithAlias=true")
}
}
if cfg.InterpolateParams {
if hasParam {
buf.WriteString("&interpolateParams=true")
} else {
hasParam = true
buf.WriteString("?interpolateParams=true")
}
}
if cfg.Loc != time.UTC && cfg.Loc != nil {
if hasParam {
buf.WriteString("&loc=")
} else {
hasParam = true
buf.WriteString("?loc=")
}
buf.WriteString(url.QueryEscape(cfg.Loc.String()))
}
if cfg.MultiStatements {
if hasParam {
buf.WriteString("&multiStatements=true")
} else {
hasParam = true
buf.WriteString("?multiStatements=true")
}
}
if cfg.ParseTime {
if hasParam {
buf.WriteString("&parseTime=true")
} else {
hasParam = true
buf.WriteString("?parseTime=true")
}
}
if cfg.ReadTimeout > 0 {
if hasParam {
buf.WriteString("&readTimeout=")
} else {
hasParam = true
buf.WriteString("?readTimeout=")
}
buf.WriteString(cfg.ReadTimeout.String())
}
if cfg.RejectReadOnly {
if hasParam {
buf.WriteString("&rejectReadOnly=true")
} else {
hasParam = true
buf.WriteString("?rejectReadOnly=true")
}
}
if cfg.Timeout > 0 {
if hasParam {
buf.WriteString("&timeout=")
} else {
hasParam = true
buf.WriteString("?timeout=")
}
buf.WriteString(cfg.Timeout.String())
}
if len(cfg.TLSConfig) > 0 {
if hasParam {
buf.WriteString("&tls=")
} else {
hasParam = true
buf.WriteString("?tls=")
}
buf.WriteString(url.QueryEscape(cfg.TLSConfig))
}
if cfg.WriteTimeout > 0 {
if hasParam {
buf.WriteString("&writeTimeout=")
} else {
hasParam = true
buf.WriteString("?writeTimeout=")
}
buf.WriteString(cfg.WriteTimeout.String())
}
if cfg.MaxAllowedPacket > 0 {
if hasParam {
buf.WriteString("&maxAllowedPacket=")
} else {
hasParam = true
buf.WriteString("?maxAllowedPacket=")
}
buf.WriteString(strconv.Itoa(cfg.MaxAllowedPacket))
}
// other params
if cfg.Params != nil {
var params []string
for param := range cfg.Params {
params = append(params, param)
}
sort.Strings(params)
for _, param := range params {
if hasParam {
buf.WriteByte('&')
} else {
hasParam = true
buf.WriteByte('?')
}
buf.WriteString(param)
buf.WriteByte('=')
buf.WriteString(url.QueryEscape(cfg.Params[param]))
}
}
return buf.String()
}
// ParseDSN parses the DSN string to a Config
func ParseDSN(dsn string) (cfg *Config, err error) {
// New config with some default values
cfg = NewConfig()
// [user[:password]@][net[(addr)]]/dbname[?param1=value1&paramN=valueN]
// Find the last '/' (since the password or the net addr might contain a '/')
foundSlash := false
for i := len(dsn) - 1; i >= 0; i-- {
if dsn[i] == '/' {
foundSlash = true
var j, k int
// left part is empty if i <= 0
if i > 0 {
// [username[:password]@][protocol[(address)]]
// Find the last '@' in dsn[:i]
for j = i; j >= 0; j-- {
if dsn[j] == '@' {
// username[:password]
// Find the first ':' in dsn[:j]
for k = 0; k < j; k++ {
if dsn[k] == ':' {
cfg.Passwd = dsn[k+1 : j]
break
}
}
cfg.User = dsn[:k]
break
}
}
// [protocol[(address)]]
// Find the first '(' in dsn[j+1:i]
for k = j + 1; k < i; k++ {
if dsn[k] == '(' {
// dsn[i-1] must be == ')' if an address is specified
if dsn[i-1] != ')' {
if strings.ContainsRune(dsn[k+1:i], ')') {
return nil, errInvalidDSNUnescaped
}
return nil, errInvalidDSNAddr
}
cfg.Addr = dsn[k+1 : i-1]
break
}
}
cfg.Net = dsn[j+1 : k]
}
// dbname[?param1=value1&...&paramN=valueN]
// Find the first '?' in dsn[i+1:]
for j = i + 1; j < len(dsn); j++ {
if dsn[j] == '?' {
if err = parseDSNParams(cfg, dsn[j+1:]); err != nil {
return
}
break
}
}
cfg.DBName = dsn[i+1 : j]
break
}
}
if !foundSlash && len(dsn) > 0 {
return nil, errInvalidDSNNoSlash
}
if err = cfg.normalize(); err != nil {
return nil, err
}
return
}
// parseDSNParams parses the DSN "query string"
// Values must be url.QueryEscape'ed
func parseDSNParams(cfg *Config, params string) (err error) {
for _, v := range strings.Split(params, "&") {
param := strings.SplitN(v, "=", 2)
if len(param) != 2 {
continue
}
// cfg params
switch value := param[1]; param[0] {
// Disable INFILE whitelist / enable all files
case "allowAllFiles":
var isBool bool
cfg.AllowAllFiles, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Use cleartext authentication mode (MySQL 5.5.10+)
case "allowCleartextPasswords":
var isBool bool
cfg.AllowCleartextPasswords, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Use native password authentication
case "allowNativePasswords":
var isBool bool
cfg.AllowNativePasswords, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Use old authentication mode (pre MySQL 4.1)
case "allowOldPasswords":
var isBool bool
cfg.AllowOldPasswords, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Switch "rowsAffected" mode
case "clientFoundRows":
var isBool bool
cfg.ClientFoundRows, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Collation
case "collation":
cfg.Collation = value
break
case "columnsWithAlias":
var isBool bool
cfg.ColumnsWithAlias, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Compression
case "compress":
return errors.New("compression not implemented yet")
// Enable client side placeholder substitution
case "interpolateParams":
var isBool bool
cfg.InterpolateParams, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Time Location
case "loc":
if value, err = url.QueryUnescape(value); err != nil {
return
}
cfg.Loc, err = time.LoadLocation(value)
if err != nil {
return
}
// multiple statements in one query
case "multiStatements":
var isBool bool
cfg.MultiStatements, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// time.Time parsing
case "parseTime":
var isBool bool
cfg.ParseTime, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// I/O read Timeout
case "readTimeout":
cfg.ReadTimeout, err = time.ParseDuration(value)
if err != nil {
return
}
// Reject read-only connections
case "rejectReadOnly":
var isBool bool
cfg.RejectReadOnly, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Strict mode
case "strict":
panic("strict mode has been removed. See https://github.com/go-sql-driver/mysql/wiki/strict-mode")
// Dial Timeout
case "timeout":
cfg.Timeout, err = time.ParseDuration(value)
if err != nil {
return
}
// TLS-Encryption
case "tls":
boolValue, isBool := readBool(value)
if isBool {
if boolValue {
cfg.TLSConfig = "true"
cfg.tls = &tls.Config{}
host, _, err := net.SplitHostPort(cfg.Addr)
if err == nil {
cfg.tls.ServerName = host
}
} else {
cfg.TLSConfig = "false"
}
} else if vl := strings.ToLower(value); vl == "skip-verify" {
cfg.TLSConfig = vl
cfg.tls = &tls.Config{InsecureSkipVerify: true}
} else {
name, err := url.QueryUnescape(value)
if err != nil {
return fmt.Errorf("invalid value for TLS config name: %v", err)
}
if tlsConfig := getTLSConfigClone(name); tlsConfig != nil {
if len(tlsConfig.ServerName) == 0 && !tlsConfig.InsecureSkipVerify {
host, _, err := net.SplitHostPort(cfg.Addr)
if err == nil {
tlsConfig.ServerName = host
}
}
cfg.TLSConfig = name
cfg.tls = tlsConfig
} else {
return errors.New("invalid value / unknown config name: " + name)
}
}
// I/O write Timeout
case "writeTimeout":
cfg.WriteTimeout, err = time.ParseDuration(value)
if err != nil {
return
}
case "maxAllowedPacket":
cfg.MaxAllowedPacket, err = strconv.Atoi(value)
if err != nil {
return
}
default:
// lazy init
if cfg.Params == nil {
cfg.Params = make(map[string]string)
}
if cfg.Params[param[0]], err = url.QueryUnescape(value); err != nil {
return
}
}
}
return
}
func ensureHavePort(addr string) string {
if _, _, err := net.SplitHostPort(addr); err != nil {
return net.JoinHostPort(addr, "3306")
}
return addr
}

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vendor/github.com/go-sql-driver/mysql/errors.go generated vendored Normal file
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"errors"
"fmt"
"log"
"os"
)
// Various errors the driver might return. Can change between driver versions.
var (
ErrInvalidConn = errors.New("invalid connection")
ErrMalformPkt = errors.New("malformed packet")
ErrNoTLS = errors.New("TLS requested but server does not support TLS")
ErrCleartextPassword = errors.New("this user requires clear text authentication. If you still want to use it, please add 'allowCleartextPasswords=1' to your DSN")
ErrNativePassword = errors.New("this user requires mysql native password authentication.")
ErrOldPassword = errors.New("this user requires old password authentication. If you still want to use it, please add 'allowOldPasswords=1' to your DSN. See also https://github.com/go-sql-driver/mysql/wiki/old_passwords")
ErrUnknownPlugin = errors.New("this authentication plugin is not supported")
ErrOldProtocol = errors.New("MySQL server does not support required protocol 41+")
ErrPktSync = errors.New("commands out of sync. You can't run this command now")
ErrPktSyncMul = errors.New("commands out of sync. Did you run multiple statements at once?")
ErrPktTooLarge = errors.New("packet for query is too large. Try adjusting the 'max_allowed_packet' variable on the server")
ErrBusyBuffer = errors.New("busy buffer")
// errBadConnNoWrite is used for connection errors where nothing was sent to the database yet.
// If this happens first in a function starting a database interaction, it should be replaced by driver.ErrBadConn
// to trigger a resend.
// See https://github.com/go-sql-driver/mysql/pull/302
errBadConnNoWrite = errors.New("bad connection")
)
var errLog = Logger(log.New(os.Stderr, "[mysql] ", log.Ldate|log.Ltime|log.Lshortfile))
// Logger is used to log critical error messages.
type Logger interface {
Print(v ...interface{})
}
// SetLogger is used to set the logger for critical errors.
// The initial logger is os.Stderr.
func SetLogger(logger Logger) error {
if logger == nil {
return errors.New("logger is nil")
}
errLog = logger
return nil
}
// MySQLError is an error type which represents a single MySQL error
type MySQLError struct {
Number uint16
Message string
}
func (me *MySQLError) Error() string {
return fmt.Sprintf("Error %d: %s", me.Number, me.Message)
}

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vendor/github.com/go-sql-driver/mysql/infile.go generated vendored Normal file
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"fmt"
"io"
"os"
"strings"
"sync"
)
var (
fileRegister map[string]bool
fileRegisterLock sync.RWMutex
readerRegister map[string]func() io.Reader
readerRegisterLock sync.RWMutex
)
// RegisterLocalFile adds the given file to the file whitelist,
// so that it can be used by "LOAD DATA LOCAL INFILE <filepath>".
// Alternatively you can allow the use of all local files with
// the DSN parameter 'allowAllFiles=true'
//
// filePath := "/home/gopher/data.csv"
// mysql.RegisterLocalFile(filePath)
// err := db.Exec("LOAD DATA LOCAL INFILE '" + filePath + "' INTO TABLE foo")
// if err != nil {
// ...
//
func RegisterLocalFile(filePath string) {
fileRegisterLock.Lock()
// lazy map init
if fileRegister == nil {
fileRegister = make(map[string]bool)
}
fileRegister[strings.Trim(filePath, `"`)] = true
fileRegisterLock.Unlock()
}
// DeregisterLocalFile removes the given filepath from the whitelist.
func DeregisterLocalFile(filePath string) {
fileRegisterLock.Lock()
delete(fileRegister, strings.Trim(filePath, `"`))
fileRegisterLock.Unlock()
}
// RegisterReaderHandler registers a handler function which is used
// to receive a io.Reader.
// The Reader can be used by "LOAD DATA LOCAL INFILE Reader::<name>".
// If the handler returns a io.ReadCloser Close() is called when the
// request is finished.
//
// mysql.RegisterReaderHandler("data", func() io.Reader {
// var csvReader io.Reader // Some Reader that returns CSV data
// ... // Open Reader here
// return csvReader
// })
// err := db.Exec("LOAD DATA LOCAL INFILE 'Reader::data' INTO TABLE foo")
// if err != nil {
// ...
//
func RegisterReaderHandler(name string, handler func() io.Reader) {
readerRegisterLock.Lock()
// lazy map init
if readerRegister == nil {
readerRegister = make(map[string]func() io.Reader)
}
readerRegister[name] = handler
readerRegisterLock.Unlock()
}
// DeregisterReaderHandler removes the ReaderHandler function with
// the given name from the registry.
func DeregisterReaderHandler(name string) {
readerRegisterLock.Lock()
delete(readerRegister, name)
readerRegisterLock.Unlock()
}
func deferredClose(err *error, closer io.Closer) {
closeErr := closer.Close()
if *err == nil {
*err = closeErr
}
}
func (mc *mysqlConn) handleInFileRequest(name string) (err error) {
var rdr io.Reader
var data []byte
packetSize := 16 * 1024 // 16KB is small enough for disk readahead and large enough for TCP
if mc.maxWriteSize < packetSize {
packetSize = mc.maxWriteSize
}
if idx := strings.Index(name, "Reader::"); idx == 0 || (idx > 0 && name[idx-1] == '/') { // io.Reader
// The server might return an an absolute path. See issue #355.
name = name[idx+8:]
readerRegisterLock.RLock()
handler, inMap := readerRegister[name]
readerRegisterLock.RUnlock()
if inMap {
rdr = handler()
if rdr != nil {
if cl, ok := rdr.(io.Closer); ok {
defer deferredClose(&err, cl)
}
} else {
err = fmt.Errorf("Reader '%s' is <nil>", name)
}
} else {
err = fmt.Errorf("Reader '%s' is not registered", name)
}
} else { // File
name = strings.Trim(name, `"`)
fileRegisterLock.RLock()
fr := fileRegister[name]
fileRegisterLock.RUnlock()
if mc.cfg.AllowAllFiles || fr {
var file *os.File
var fi os.FileInfo
if file, err = os.Open(name); err == nil {
defer deferredClose(&err, file)
// get file size
if fi, err = file.Stat(); err == nil {
rdr = file
if fileSize := int(fi.Size()); fileSize < packetSize {
packetSize = fileSize
}
}
}
} else {
err = fmt.Errorf("local file '%s' is not registered", name)
}
}
// send content packets
// if packetSize == 0, the Reader contains no data
if err == nil && packetSize > 0 {
data := make([]byte, 4+packetSize)
var n int
for err == nil {
n, err = rdr.Read(data[4:])
if n > 0 {
if ioErr := mc.writePacket(data[:4+n]); ioErr != nil {
return ioErr
}
}
}
if err == io.EOF {
err = nil
}
}
// send empty packet (termination)
if data == nil {
data = make([]byte, 4)
}
if ioErr := mc.writePacket(data[:4]); ioErr != nil {
return ioErr
}
// read OK packet
if err == nil {
_, err = mc.readResultOK()
return err
}
mc.readPacket()
return err
}

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vendor/github.com/go-sql-driver/mysql/packets.go generated vendored Normal file
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22
vendor/github.com/go-sql-driver/mysql/result.go generated vendored Normal file
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
type mysqlResult struct {
affectedRows int64
insertId int64
}
func (res *mysqlResult) LastInsertId() (int64, error) {
return res.insertId, nil
}
func (res *mysqlResult) RowsAffected() (int64, error) {
return res.affectedRows, nil
}

184
vendor/github.com/go-sql-driver/mysql/rows.go generated vendored Normal file
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql/driver"
"io"
)
type mysqlField struct {
tableName string
name string
flags fieldFlag
fieldType byte
decimals byte
}
type resultSet struct {
columns []mysqlField
columnNames []string
done bool
}
type mysqlRows struct {
mc *mysqlConn
rs resultSet
finish func()
}
type binaryRows struct {
mysqlRows
}
type textRows struct {
mysqlRows
}
func (rows *mysqlRows) Columns() []string {
if rows.rs.columnNames != nil {
return rows.rs.columnNames
}
columns := make([]string, len(rows.rs.columns))
if rows.mc != nil && rows.mc.cfg.ColumnsWithAlias {
for i := range columns {
if tableName := rows.rs.columns[i].tableName; len(tableName) > 0 {
columns[i] = tableName + "." + rows.rs.columns[i].name
} else {
columns[i] = rows.rs.columns[i].name
}
}
} else {
for i := range columns {
columns[i] = rows.rs.columns[i].name
}
}
rows.rs.columnNames = columns
return columns
}
func (rows *mysqlRows) Close() (err error) {
if f := rows.finish; f != nil {
f()
rows.finish = nil
}
mc := rows.mc
if mc == nil {
return nil
}
if err := mc.error(); err != nil {
return err
}
// Remove unread packets from stream
if !rows.rs.done {
err = mc.readUntilEOF()
}
if err == nil {
if err = mc.discardResults(); err != nil {
return err
}
}
rows.mc = nil
return err
}
func (rows *mysqlRows) HasNextResultSet() (b bool) {
if rows.mc == nil {
return false
}
return rows.mc.status&statusMoreResultsExists != 0
}
func (rows *mysqlRows) nextResultSet() (int, error) {
if rows.mc == nil {
return 0, io.EOF
}
if err := rows.mc.error(); err != nil {
return 0, err
}
// Remove unread packets from stream
if !rows.rs.done {
if err := rows.mc.readUntilEOF(); err != nil {
return 0, err
}
rows.rs.done = true
}
if !rows.HasNextResultSet() {
rows.mc = nil
return 0, io.EOF
}
rows.rs = resultSet{}
return rows.mc.readResultSetHeaderPacket()
}
func (rows *mysqlRows) nextNotEmptyResultSet() (int, error) {
for {
resLen, err := rows.nextResultSet()
if err != nil {
return 0, err
}
if resLen > 0 {
return resLen, nil
}
rows.rs.done = true
}
}
func (rows *binaryRows) NextResultSet() error {
resLen, err := rows.nextNotEmptyResultSet()
if err != nil {
return err
}
rows.rs.columns, err = rows.mc.readColumns(resLen)
return err
}
func (rows *binaryRows) Next(dest []driver.Value) error {
if mc := rows.mc; mc != nil {
if err := mc.error(); err != nil {
return err
}
// Fetch next row from stream
return rows.readRow(dest)
}
return io.EOF
}
func (rows *textRows) NextResultSet() (err error) {
resLen, err := rows.nextNotEmptyResultSet()
if err != nil {
return err
}
rows.rs.columns, err = rows.mc.readColumns(resLen)
return err
}
func (rows *textRows) Next(dest []driver.Value) error {
if mc := rows.mc; mc != nil {
if err := mc.error(); err != nil {
return err
}
// Fetch next row from stream
return rows.readRow(dest)
}
return io.EOF
}

162
vendor/github.com/go-sql-driver/mysql/statement.go generated vendored Normal file
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql/driver"
"fmt"
"io"
"reflect"
"strconv"
)
type mysqlStmt struct {
mc *mysqlConn
id uint32
paramCount int
}
func (stmt *mysqlStmt) Close() error {
if stmt.mc == nil || stmt.mc.closed.IsSet() {
// driver.Stmt.Close can be called more than once, thus this function
// has to be idempotent.
// See also Issue #450 and golang/go#16019.
//errLog.Print(ErrInvalidConn)
return driver.ErrBadConn
}
err := stmt.mc.writeCommandPacketUint32(comStmtClose, stmt.id)
stmt.mc = nil
return err
}
func (stmt *mysqlStmt) NumInput() int {
return stmt.paramCount
}
func (stmt *mysqlStmt) ColumnConverter(idx int) driver.ValueConverter {
return converter{}
}
func (stmt *mysqlStmt) Exec(args []driver.Value) (driver.Result, error) {
if stmt.mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
// Send command
err := stmt.writeExecutePacket(args)
if err != nil {
return nil, stmt.mc.markBadConn(err)
}
mc := stmt.mc
mc.affectedRows = 0
mc.insertId = 0
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err != nil {
return nil, err
}
if resLen > 0 {
// Columns
if err = mc.readUntilEOF(); err != nil {
return nil, err
}
// Rows
if err := mc.readUntilEOF(); err != nil {
return nil, err
}
}
if err := mc.discardResults(); err != nil {
return nil, err
}
return &mysqlResult{
affectedRows: int64(mc.affectedRows),
insertId: int64(mc.insertId),
}, nil
}
func (stmt *mysqlStmt) Query(args []driver.Value) (driver.Rows, error) {
return stmt.query(args)
}
func (stmt *mysqlStmt) query(args []driver.Value) (*binaryRows, error) {
if stmt.mc.closed.IsSet() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
// Send command
err := stmt.writeExecutePacket(args)
if err != nil {
return nil, stmt.mc.markBadConn(err)
}
mc := stmt.mc
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err != nil {
return nil, err
}
rows := new(binaryRows)
if resLen > 0 {
rows.mc = mc
rows.rs.columns, err = mc.readColumns(resLen)
} else {
rows.rs.done = true
switch err := rows.NextResultSet(); err {
case nil, io.EOF:
return rows, nil
default:
return nil, err
}
}
return rows, err
}
type converter struct{}
func (c converter) ConvertValue(v interface{}) (driver.Value, error) {
if driver.IsValue(v) {
return v, nil
}
rv := reflect.ValueOf(v)
switch rv.Kind() {
case reflect.Ptr:
// indirect pointers
if rv.IsNil() {
return nil, nil
}
return c.ConvertValue(rv.Elem().Interface())
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return rv.Int(), nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32:
return int64(rv.Uint()), nil
case reflect.Uint64:
u64 := rv.Uint()
if u64 >= 1<<63 {
return strconv.FormatUint(u64, 10), nil
}
return int64(u64), nil
case reflect.Float32, reflect.Float64:
return rv.Float(), nil
}
return nil, fmt.Errorf("unsupported type %T, a %s", v, rv.Kind())
}

31
vendor/github.com/go-sql-driver/mysql/transaction.go generated vendored Normal file
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
type mysqlTx struct {
mc *mysqlConn
}
func (tx *mysqlTx) Commit() (err error) {
if tx.mc == nil || tx.mc.closed.IsSet() {
return ErrInvalidConn
}
err = tx.mc.exec("COMMIT")
tx.mc = nil
return
}
func (tx *mysqlTx) Rollback() (err error) {
if tx.mc == nil || tx.mc.closed.IsSet() {
return ErrInvalidConn
}
err = tx.mc.exec("ROLLBACK")
tx.mc = nil
return
}

822
vendor/github.com/go-sql-driver/mysql/utils.go generated vendored Normal file
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"crypto/sha1"
"crypto/tls"
"database/sql/driver"
"encoding/binary"
"fmt"
"io"
"strings"
"sync"
"sync/atomic"
"time"
)
var (
tlsConfigLock sync.RWMutex
tlsConfigRegister map[string]*tls.Config // Register for custom tls.Configs
)
// RegisterTLSConfig registers a custom tls.Config to be used with sql.Open.
// Use the key as a value in the DSN where tls=value.
//
// Note: The tls.Config provided to needs to be exclusively owned by the driver after registering.
//
// rootCertPool := x509.NewCertPool()
// pem, err := ioutil.ReadFile("/path/ca-cert.pem")
// if err != nil {
// log.Fatal(err)
// }
// if ok := rootCertPool.AppendCertsFromPEM(pem); !ok {
// log.Fatal("Failed to append PEM.")
// }
// clientCert := make([]tls.Certificate, 0, 1)
// certs, err := tls.LoadX509KeyPair("/path/client-cert.pem", "/path/client-key.pem")
// if err != nil {
// log.Fatal(err)
// }
// clientCert = append(clientCert, certs)
// mysql.RegisterTLSConfig("custom", &tls.Config{
// RootCAs: rootCertPool,
// Certificates: clientCert,
// })
// db, err := sql.Open("mysql", "user@tcp(localhost:3306)/test?tls=custom")
//
func RegisterTLSConfig(key string, config *tls.Config) error {
if _, isBool := readBool(key); isBool || strings.ToLower(key) == "skip-verify" {
return fmt.Errorf("key '%s' is reserved", key)
}
tlsConfigLock.Lock()
if tlsConfigRegister == nil {
tlsConfigRegister = make(map[string]*tls.Config)
}
tlsConfigRegister[key] = config
tlsConfigLock.Unlock()
return nil
}
// DeregisterTLSConfig removes the tls.Config associated with key.
func DeregisterTLSConfig(key string) {
tlsConfigLock.Lock()
if tlsConfigRegister != nil {
delete(tlsConfigRegister, key)
}
tlsConfigLock.Unlock()
}
func getTLSConfigClone(key string) (config *tls.Config) {
tlsConfigLock.RLock()
if v, ok := tlsConfigRegister[key]; ok {
config = cloneTLSConfig(v)
}
tlsConfigLock.RUnlock()
return
}
// Returns the bool value of the input.
// The 2nd return value indicates if the input was a valid bool value
func readBool(input string) (value bool, valid bool) {
switch input {
case "1", "true", "TRUE", "True":
return true, true
case "0", "false", "FALSE", "False":
return false, true
}
// Not a valid bool value
return
}
/******************************************************************************
* Authentication *
******************************************************************************/
// Encrypt password using 4.1+ method
func scramblePassword(scramble, password []byte) []byte {
if len(password) == 0 {
return nil
}
// stage1Hash = SHA1(password)
crypt := sha1.New()
crypt.Write(password)
stage1 := crypt.Sum(nil)
// scrambleHash = SHA1(scramble + SHA1(stage1Hash))
// inner Hash
crypt.Reset()
crypt.Write(stage1)
hash := crypt.Sum(nil)
// outer Hash
crypt.Reset()
crypt.Write(scramble)
crypt.Write(hash)
scramble = crypt.Sum(nil)
// token = scrambleHash XOR stage1Hash
for i := range scramble {
scramble[i] ^= stage1[i]
}
return scramble
}
// Encrypt password using pre 4.1 (old password) method
// https://github.com/atcurtis/mariadb/blob/master/mysys/my_rnd.c
type myRnd struct {
seed1, seed2 uint32
}
const myRndMaxVal = 0x3FFFFFFF
// Pseudo random number generator
func newMyRnd(seed1, seed2 uint32) *myRnd {
return &myRnd{
seed1: seed1 % myRndMaxVal,
seed2: seed2 % myRndMaxVal,
}
}
// Tested to be equivalent to MariaDB's floating point variant
// http://play.golang.org/p/QHvhd4qved
// http://play.golang.org/p/RG0q4ElWDx
func (r *myRnd) NextByte() byte {
r.seed1 = (r.seed1*3 + r.seed2) % myRndMaxVal
r.seed2 = (r.seed1 + r.seed2 + 33) % myRndMaxVal
return byte(uint64(r.seed1) * 31 / myRndMaxVal)
}
// Generate binary hash from byte string using insecure pre 4.1 method
func pwHash(password []byte) (result [2]uint32) {
var add uint32 = 7
var tmp uint32
result[0] = 1345345333
result[1] = 0x12345671
for _, c := range password {
// skip spaces and tabs in password
if c == ' ' || c == '\t' {
continue
}
tmp = uint32(c)
result[0] ^= (((result[0] & 63) + add) * tmp) + (result[0] << 8)
result[1] += (result[1] << 8) ^ result[0]
add += tmp
}
// Remove sign bit (1<<31)-1)
result[0] &= 0x7FFFFFFF
result[1] &= 0x7FFFFFFF
return
}
// Encrypt password using insecure pre 4.1 method
func scrambleOldPassword(scramble, password []byte) []byte {
if len(password) == 0 {
return nil
}
scramble = scramble[:8]
hashPw := pwHash(password)
hashSc := pwHash(scramble)
r := newMyRnd(hashPw[0]^hashSc[0], hashPw[1]^hashSc[1])
var out [8]byte
for i := range out {
out[i] = r.NextByte() + 64
}
mask := r.NextByte()
for i := range out {
out[i] ^= mask
}
return out[:]
}
/******************************************************************************
* Time related utils *
******************************************************************************/
// NullTime represents a time.Time that may be NULL.
// NullTime implements the Scanner interface so
// it can be used as a scan destination:
//
// var nt NullTime
// err := db.QueryRow("SELECT time FROM foo WHERE id=?", id).Scan(&nt)
// ...
// if nt.Valid {
// // use nt.Time
// } else {
// // NULL value
// }
//
// This NullTime implementation is not driver-specific
type NullTime struct {
Time time.Time
Valid bool // Valid is true if Time is not NULL
}
// Scan implements the Scanner interface.
// The value type must be time.Time or string / []byte (formatted time-string),
// otherwise Scan fails.
func (nt *NullTime) Scan(value interface{}) (err error) {
if value == nil {
nt.Time, nt.Valid = time.Time{}, false
return
}
switch v := value.(type) {
case time.Time:
nt.Time, nt.Valid = v, true
return
case []byte:
nt.Time, err = parseDateTime(string(v), time.UTC)
nt.Valid = (err == nil)
return
case string:
nt.Time, err = parseDateTime(v, time.UTC)
nt.Valid = (err == nil)
return
}
nt.Valid = false
return fmt.Errorf("Can't convert %T to time.Time", value)
}
// Value implements the driver Valuer interface.
func (nt NullTime) Value() (driver.Value, error) {
if !nt.Valid {
return nil, nil
}
return nt.Time, nil
}
func parseDateTime(str string, loc *time.Location) (t time.Time, err error) {
base := "0000-00-00 00:00:00.0000000"
switch len(str) {
case 10, 19, 21, 22, 23, 24, 25, 26: // up to "YYYY-MM-DD HH:MM:SS.MMMMMM"
if str == base[:len(str)] {
return
}
t, err = time.Parse(timeFormat[:len(str)], str)
default:
err = fmt.Errorf("invalid time string: %s", str)
return
}
// Adjust location
if err == nil && loc != time.UTC {
y, mo, d := t.Date()
h, mi, s := t.Clock()
t, err = time.Date(y, mo, d, h, mi, s, t.Nanosecond(), loc), nil
}
return
}
func parseBinaryDateTime(num uint64, data []byte, loc *time.Location) (driver.Value, error) {
switch num {
case 0:
return time.Time{}, nil
case 4:
return time.Date(
int(binary.LittleEndian.Uint16(data[:2])), // year
time.Month(data[2]), // month
int(data[3]), // day
0, 0, 0, 0,
loc,
), nil
case 7:
return time.Date(
int(binary.LittleEndian.Uint16(data[:2])), // year
time.Month(data[2]), // month
int(data[3]), // day
int(data[4]), // hour
int(data[5]), // minutes
int(data[6]), // seconds
0,
loc,
), nil
case 11:
return time.Date(
int(binary.LittleEndian.Uint16(data[:2])), // year
time.Month(data[2]), // month
int(data[3]), // day
int(data[4]), // hour
int(data[5]), // minutes
int(data[6]), // seconds
int(binary.LittleEndian.Uint32(data[7:11]))*1000, // nanoseconds
loc,
), nil
}
return nil, fmt.Errorf("invalid DATETIME packet length %d", num)
}
// zeroDateTime is used in formatBinaryDateTime to avoid an allocation
// if the DATE or DATETIME has the zero value.
// It must never be changed.
// The current behavior depends on database/sql copying the result.
var zeroDateTime = []byte("0000-00-00 00:00:00.000000")
const digits01 = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
const digits10 = "0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999"
func formatBinaryDateTime(src []byte, length uint8, justTime bool) (driver.Value, error) {
// length expects the deterministic length of the zero value,
// negative time and 100+ hours are automatically added if needed
if len(src) == 0 {
if justTime {
return zeroDateTime[11 : 11+length], nil
}
return zeroDateTime[:length], nil
}
var dst []byte // return value
var pt, p1, p2, p3 byte // current digit pair
var zOffs byte // offset of value in zeroDateTime
if justTime {
switch length {
case
8, // time (can be up to 10 when negative and 100+ hours)
10, 11, 12, 13, 14, 15: // time with fractional seconds
default:
return nil, fmt.Errorf("illegal TIME length %d", length)
}
switch len(src) {
case 8, 12:
default:
return nil, fmt.Errorf("invalid TIME packet length %d", len(src))
}
// +2 to enable negative time and 100+ hours
dst = make([]byte, 0, length+2)
if src[0] == 1 {
dst = append(dst, '-')
}
if src[1] != 0 {
hour := uint16(src[1])*24 + uint16(src[5])
pt = byte(hour / 100)
p1 = byte(hour - 100*uint16(pt))
dst = append(dst, digits01[pt])
} else {
p1 = src[5]
}
zOffs = 11
src = src[6:]
} else {
switch length {
case 10, 19, 21, 22, 23, 24, 25, 26:
default:
t := "DATE"
if length > 10 {
t += "TIME"
}
return nil, fmt.Errorf("illegal %s length %d", t, length)
}
switch len(src) {
case 4, 7, 11:
default:
t := "DATE"
if length > 10 {
t += "TIME"
}
return nil, fmt.Errorf("illegal %s packet length %d", t, len(src))
}
dst = make([]byte, 0, length)
// start with the date
year := binary.LittleEndian.Uint16(src[:2])
pt = byte(year / 100)
p1 = byte(year - 100*uint16(pt))
p2, p3 = src[2], src[3]
dst = append(dst,
digits10[pt], digits01[pt],
digits10[p1], digits01[p1], '-',
digits10[p2], digits01[p2], '-',
digits10[p3], digits01[p3],
)
if length == 10 {
return dst, nil
}
if len(src) == 4 {
return append(dst, zeroDateTime[10:length]...), nil
}
dst = append(dst, ' ')
p1 = src[4] // hour
src = src[5:]
}
// p1 is 2-digit hour, src is after hour
p2, p3 = src[0], src[1]
dst = append(dst,
digits10[p1], digits01[p1], ':',
digits10[p2], digits01[p2], ':',
digits10[p3], digits01[p3],
)
if length <= byte(len(dst)) {
return dst, nil
}
src = src[2:]
if len(src) == 0 {
return append(dst, zeroDateTime[19:zOffs+length]...), nil
}
microsecs := binary.LittleEndian.Uint32(src[:4])
p1 = byte(microsecs / 10000)
microsecs -= 10000 * uint32(p1)
p2 = byte(microsecs / 100)
microsecs -= 100 * uint32(p2)
p3 = byte(microsecs)
switch decimals := zOffs + length - 20; decimals {
default:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2], digits01[p2],
digits10[p3], digits01[p3],
), nil
case 1:
return append(dst, '.',
digits10[p1],
), nil
case 2:
return append(dst, '.',
digits10[p1], digits01[p1],
), nil
case 3:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2],
), nil
case 4:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2], digits01[p2],
), nil
case 5:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2], digits01[p2],
digits10[p3],
), nil
}
}
/******************************************************************************
* Convert from and to bytes *
******************************************************************************/
func uint64ToBytes(n uint64) []byte {
return []byte{
byte(n),
byte(n >> 8),
byte(n >> 16),
byte(n >> 24),
byte(n >> 32),
byte(n >> 40),
byte(n >> 48),
byte(n >> 56),
}
}
func uint64ToString(n uint64) []byte {
var a [20]byte
i := 20
// U+0030 = 0
// ...
// U+0039 = 9
var q uint64
for n >= 10 {
i--
q = n / 10
a[i] = uint8(n-q*10) + 0x30
n = q
}
i--
a[i] = uint8(n) + 0x30
return a[i:]
}
// treats string value as unsigned integer representation
func stringToInt(b []byte) int {
val := 0
for i := range b {
val *= 10
val += int(b[i] - 0x30)
}
return val
}
// returns the string read as a bytes slice, wheter the value is NULL,
// the number of bytes read and an error, in case the string is longer than
// the input slice
func readLengthEncodedString(b []byte) ([]byte, bool, int, error) {
// Get length
num, isNull, n := readLengthEncodedInteger(b)
if num < 1 {
return b[n:n], isNull, n, nil
}
n += int(num)
// Check data length
if len(b) >= n {
return b[n-int(num) : n], false, n, nil
}
return nil, false, n, io.EOF
}
// returns the number of bytes skipped and an error, in case the string is
// longer than the input slice
func skipLengthEncodedString(b []byte) (int, error) {
// Get length
num, _, n := readLengthEncodedInteger(b)
if num < 1 {
return n, nil
}
n += int(num)
// Check data length
if len(b) >= n {
return n, nil
}
return n, io.EOF
}
// returns the number read, whether the value is NULL and the number of bytes read
func readLengthEncodedInteger(b []byte) (uint64, bool, int) {
// See issue #349
if len(b) == 0 {
return 0, true, 1
}
switch b[0] {
// 251: NULL
case 0xfb:
return 0, true, 1
// 252: value of following 2
case 0xfc:
return uint64(b[1]) | uint64(b[2])<<8, false, 3
// 253: value of following 3
case 0xfd:
return uint64(b[1]) | uint64(b[2])<<8 | uint64(b[3])<<16, false, 4
// 254: value of following 8
case 0xfe:
return uint64(b[1]) | uint64(b[2])<<8 | uint64(b[3])<<16 |
uint64(b[4])<<24 | uint64(b[5])<<32 | uint64(b[6])<<40 |
uint64(b[7])<<48 | uint64(b[8])<<56,
false, 9
}
// 0-250: value of first byte
return uint64(b[0]), false, 1
}
// encodes a uint64 value and appends it to the given bytes slice
func appendLengthEncodedInteger(b []byte, n uint64) []byte {
switch {
case n <= 250:
return append(b, byte(n))
case n <= 0xffff:
return append(b, 0xfc, byte(n), byte(n>>8))
case n <= 0xffffff:
return append(b, 0xfd, byte(n), byte(n>>8), byte(n>>16))
}
return append(b, 0xfe, byte(n), byte(n>>8), byte(n>>16), byte(n>>24),
byte(n>>32), byte(n>>40), byte(n>>48), byte(n>>56))
}
// reserveBuffer checks cap(buf) and expand buffer to len(buf) + appendSize.
// If cap(buf) is not enough, reallocate new buffer.
func reserveBuffer(buf []byte, appendSize int) []byte {
newSize := len(buf) + appendSize
if cap(buf) < newSize {
// Grow buffer exponentially
newBuf := make([]byte, len(buf)*2+appendSize)
copy(newBuf, buf)
buf = newBuf
}
return buf[:newSize]
}
// escapeBytesBackslash escapes []byte with backslashes (\)
// This escapes the contents of a string (provided as []byte) by adding backslashes before special
// characters, and turning others into specific escape sequences, such as
// turning newlines into \n and null bytes into \0.
// https://github.com/mysql/mysql-server/blob/mysql-5.7.5/mysys/charset.c#L823-L932
func escapeBytesBackslash(buf, v []byte) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for _, c := range v {
switch c {
case '\x00':
buf[pos] = '\\'
buf[pos+1] = '0'
pos += 2
case '\n':
buf[pos] = '\\'
buf[pos+1] = 'n'
pos += 2
case '\r':
buf[pos] = '\\'
buf[pos+1] = 'r'
pos += 2
case '\x1a':
buf[pos] = '\\'
buf[pos+1] = 'Z'
pos += 2
case '\'':
buf[pos] = '\\'
buf[pos+1] = '\''
pos += 2
case '"':
buf[pos] = '\\'
buf[pos+1] = '"'
pos += 2
case '\\':
buf[pos] = '\\'
buf[pos+1] = '\\'
pos += 2
default:
buf[pos] = c
pos++
}
}
return buf[:pos]
}
// escapeStringBackslash is similar to escapeBytesBackslash but for string.
func escapeStringBackslash(buf []byte, v string) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for i := 0; i < len(v); i++ {
c := v[i]
switch c {
case '\x00':
buf[pos] = '\\'
buf[pos+1] = '0'
pos += 2
case '\n':
buf[pos] = '\\'
buf[pos+1] = 'n'
pos += 2
case '\r':
buf[pos] = '\\'
buf[pos+1] = 'r'
pos += 2
case '\x1a':
buf[pos] = '\\'
buf[pos+1] = 'Z'
pos += 2
case '\'':
buf[pos] = '\\'
buf[pos+1] = '\''
pos += 2
case '"':
buf[pos] = '\\'
buf[pos+1] = '"'
pos += 2
case '\\':
buf[pos] = '\\'
buf[pos+1] = '\\'
pos += 2
default:
buf[pos] = c
pos++
}
}
return buf[:pos]
}
// escapeBytesQuotes escapes apostrophes in []byte by doubling them up.
// This escapes the contents of a string by doubling up any apostrophes that
// it contains. This is used when the NO_BACKSLASH_ESCAPES SQL_MODE is in
// effect on the server.
// https://github.com/mysql/mysql-server/blob/mysql-5.7.5/mysys/charset.c#L963-L1038
func escapeBytesQuotes(buf, v []byte) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for _, c := range v {
if c == '\'' {
buf[pos] = '\''
buf[pos+1] = '\''
pos += 2
} else {
buf[pos] = c
pos++
}
}
return buf[:pos]
}
// escapeStringQuotes is similar to escapeBytesQuotes but for string.
func escapeStringQuotes(buf []byte, v string) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for i := 0; i < len(v); i++ {
c := v[i]
if c == '\'' {
buf[pos] = '\''
buf[pos+1] = '\''
pos += 2
} else {
buf[pos] = c
pos++
}
}
return buf[:pos]
}
/******************************************************************************
* Sync utils *
******************************************************************************/
// noCopy may be embedded into structs which must not be copied
// after the first use.
//
// See https://github.com/golang/go/issues/8005#issuecomment-190753527
// for details.
type noCopy struct{}
// Lock is a no-op used by -copylocks checker from `go vet`.
func (*noCopy) Lock() {}
// atomicBool is a wrapper around uint32 for usage as a boolean value with
// atomic access.
type atomicBool struct {
_noCopy noCopy
value uint32
}
// IsSet returns wether the current boolean value is true
func (ab *atomicBool) IsSet() bool {
return atomic.LoadUint32(&ab.value) > 0
}
// Set sets the value of the bool regardless of the previous value
func (ab *atomicBool) Set(value bool) {
if value {
atomic.StoreUint32(&ab.value, 1)
} else {
atomic.StoreUint32(&ab.value, 0)
}
}
// TrySet sets the value of the bool and returns wether the value changed
func (ab *atomicBool) TrySet(value bool) bool {
if value {
return atomic.SwapUint32(&ab.value, 1) == 0
}
return atomic.SwapUint32(&ab.value, 0) > 0
}
// atomicBool is a wrapper for atomically accessed error values
type atomicError struct {
_noCopy noCopy
value atomic.Value
}
// Set sets the error value regardless of the previous value.
// The value must not be nil
func (ae *atomicError) Set(value error) {
ae.value.Store(value)
}
// Value returns the current error value
func (ae *atomicError) Value() error {
if v := ae.value.Load(); v != nil {
// this will panic if the value doesn't implement the error interface
return v.(error)
}
return nil
}

40
vendor/github.com/go-sql-driver/mysql/utils_go17.go generated vendored Normal file
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@ -0,0 +1,40 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build go1.7
// +build !go1.8
package mysql
import "crypto/tls"
func cloneTLSConfig(c *tls.Config) *tls.Config {
return &tls.Config{
Rand: c.Rand,
Time: c.Time,
Certificates: c.Certificates,
NameToCertificate: c.NameToCertificate,
GetCertificate: c.GetCertificate,
RootCAs: c.RootCAs,
NextProtos: c.NextProtos,
ServerName: c.ServerName,
ClientAuth: c.ClientAuth,
ClientCAs: c.ClientCAs,
InsecureSkipVerify: c.InsecureSkipVerify,
CipherSuites: c.CipherSuites,
PreferServerCipherSuites: c.PreferServerCipherSuites,
SessionTicketsDisabled: c.SessionTicketsDisabled,
SessionTicketKey: c.SessionTicketKey,
ClientSessionCache: c.ClientSessionCache,
MinVersion: c.MinVersion,
MaxVersion: c.MaxVersion,
CurvePreferences: c.CurvePreferences,
DynamicRecordSizingDisabled: c.DynamicRecordSizingDisabled,
Renegotiation: c.Renegotiation,
}
}

49
vendor/github.com/go-sql-driver/mysql/utils_go18.go generated vendored Normal file
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@ -0,0 +1,49 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build go1.8
package mysql
import (
"crypto/tls"
"database/sql"
"database/sql/driver"
"errors"
)
func cloneTLSConfig(c *tls.Config) *tls.Config {
return c.Clone()
}
func namedValueToValue(named []driver.NamedValue) ([]driver.Value, error) {
dargs := make([]driver.Value, len(named))
for n, param := range named {
if len(param.Name) > 0 {
// TODO: support the use of Named Parameters #561
return nil, errors.New("mysql: driver does not support the use of Named Parameters")
}
dargs[n] = param.Value
}
return dargs, nil
}
func mapIsolationLevel(level driver.IsolationLevel) (string, error) {
switch sql.IsolationLevel(level) {
case sql.LevelRepeatableRead:
return "REPEATABLE READ", nil
case sql.LevelReadCommitted:
return "READ COMMITTED", nil
case sql.LevelReadUncommitted:
return "READ UNCOMMITTED", nil
case sql.LevelSerializable:
return "SERIALIZABLE", nil
default:
return "", errors.New("mysql: unsupported isolation level: " + string(level))
}
}

18
vendor/github.com/go-sql-driver/mysql/utils_legacy.go generated vendored Normal file
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@ -0,0 +1,18 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// +build !go1.7
package mysql
import "crypto/tls"
func cloneTLSConfig(c *tls.Config) *tls.Config {
clone := *c
return &clone
}

27
vendor/github.com/go-xorm/builder/LICENSE generated vendored Normal file
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@ -0,0 +1,27 @@
Copyright (c) 2016 The Xorm Authors
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the {organization} nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

175
vendor/github.com/go-xorm/builder/README.md generated vendored Normal file
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@ -0,0 +1,175 @@
# SQL builder
[![CircleCI](https://circleci.com/gh/go-xorm/builder/tree/master.svg?style=svg)](https://circleci.com/gh/go-xorm/builder/tree/master)
Package builder is a lightweight and fast SQL builder for Go and XORM.
Make sure you have installed Go 1.1+ and then:
go get github.com/go-xorm/builder
# Insert
```Go
sql, args, err := Insert(Eq{"c": 1, "d": 2}).Into("table1").ToSQL()
```
# Select
```Go
sql, args, err := Select("c, d").From("table1").Where(Eq{"a": 1}).ToSQL()
sql, args, err = Select("c, d").From("table1").LeftJoin("table2", Eq{"table1.id": 1}.And(Lt{"table2.id": 3})).
RightJoin("table3", "table2.id = table3.tid").Where(Eq{"a": 1}).ToSQL()
```
# Update
```Go
sql, args, err := Update(Eq{"a": 2}).From("table1").Where(Eq{"a": 1}).ToSQL()
```
# Delete
```Go
sql, args, err := Delete(Eq{"a": 1}).From("table1").ToSQL()
```
# Conditions
* `Eq` is a redefine of a map, you can give one or more conditions to `Eq`
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Eq{"a":1})
// a=? [1]
sql, args, _ := ToSQL(Eq{"b":"c"}.And(Eq{"c": 0}))
// b=? AND c=? ["c", 0]
sql, args, _ := ToSQL(Eq{"b":"c", "c":0})
// b=? AND c=? ["c", 0]
sql, args, _ := ToSQL(Eq{"b":"c"}.Or(Eq{"b":"d"}))
// b=? OR b=? ["c", "d"]
sql, args, _ := ToSQL(Eq{"b": []string{"c", "d"}})
// b IN (?,?) ["c", "d"]
sql, args, _ := ToSQL(Eq{"b": 1, "c":[]int{2, 3}})
// b=? AND c IN (?,?) [1, 2, 3]
```
* `Neq` is the same to `Eq`
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Neq{"a":1})
// a<>? [1]
sql, args, _ := ToSQL(Neq{"b":"c"}.And(Neq{"c": 0}))
// b<>? AND c<>? ["c", 0]
sql, args, _ := ToSQL(Neq{"b":"c", "c":0})
// b<>? AND c<>? ["c", 0]
sql, args, _ := ToSQL(Neq{"b":"c"}.Or(Neq{"b":"d"}))
// b<>? OR b<>? ["c", "d"]
sql, args, _ := ToSQL(Neq{"b": []string{"c", "d"}})
// b NOT IN (?,?) ["c", "d"]
sql, args, _ := ToSQL(Neq{"b": 1, "c":[]int{2, 3}})
// b<>? AND c NOT IN (?,?) [1, 2, 3]
```
* `Gt`, `Gte`, `Lt`, `Lte`
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Gt{"a", 1}.And(Gte{"b", 2}))
// a>? AND b>=? [1, 2]
sql, args, _ := ToSQL(Lt{"a", 1}.Or(Lte{"b", 2}))
// a<? OR b<=? [1, 2]
```
* `Like`
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Like{"a", "c"})
// a LIKE ? [%c%]
```
* `Expr` you can customerize your sql with `Expr`
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Expr("a = ? ", 1))
// a = ? [1]
sql, args, _ := ToSQL(Eq{"a": Expr("select id from table where c = ?", 1)})
// a=(select id from table where c = ?) [1]
```
* `In` and `NotIn`
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(In("a", 1, 2, 3))
// a IN (?,?,?) [1,2,3]
sql, args, _ := ToSQL(In("a", []int{1, 2, 3}))
// a IN (?,?,?) [1,2,3]
sql, args, _ := ToSQL(In("a", Expr("select id from b where c = ?", 1))))
// a IN (select id from b where c = ?) [1]
```
* `IsNull` and `NotNull`
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(IsNull{"a"})
// a IS NULL []
sql, args, _ := ToSQL(NotNull{"b"})
// b IS NOT NULL []
```
* `And(conds ...Cond)`, And can connect one or more condtions via And
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(And(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
// a=? AND b LIKE ? AND d<>? [1, %c%, 2]
```
* `Or(conds ...Cond)`, Or can connect one or more conditions via Or
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Or(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
// a=? OR b LIKE ? OR d<>? [1, %c%, 2]
sql, args, _ := ToSQL(Or(Eq{"a":1}, And(Like{"b", "c"}, Neq{"d", 2})))
// a=? OR (b LIKE ? AND d<>?) [1, %c%, 2]
```
* `Between`
```Go
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Between{"a", 1, 2})
// a BETWEEN 1 AND 2
```
* Define yourself conditions
Since `Cond` is an interface.
```Go
type Cond interface {
WriteTo(Writer) error
And(...Cond) Cond
Or(...Cond) Cond
IsValid() bool
}
```
You can define yourself conditions and compose with other `Cond`.

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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
type optype byte
const (
condType optype = iota // only conditions
selectType // select
insertType // insert
updateType // update
deleteType // delete
)
type join struct {
joinType string
joinTable string
joinCond Cond
}
// Builder describes a SQL statement
type Builder struct {
optype
tableName string
cond Cond
selects []string
joins []join
inserts Eq
updates []Eq
}
// Select creates a select Builder
func Select(cols ...string) *Builder {
builder := &Builder{cond: NewCond()}
return builder.Select(cols...)
}
// Insert creates an insert Builder
func Insert(eq Eq) *Builder {
builder := &Builder{cond: NewCond()}
return builder.Insert(eq)
}
// Update creates an update Builder
func Update(updates ...Eq) *Builder {
builder := &Builder{cond: NewCond()}
return builder.Update(updates...)
}
// Delete creates a delete Builder
func Delete(conds ...Cond) *Builder {
builder := &Builder{cond: NewCond()}
return builder.Delete(conds...)
}
// Where sets where SQL
func (b *Builder) Where(cond Cond) *Builder {
b.cond = b.cond.And(cond)
return b
}
// From sets the table name
func (b *Builder) From(tableName string) *Builder {
b.tableName = tableName
return b
}
// Into sets insert table name
func (b *Builder) Into(tableName string) *Builder {
b.tableName = tableName
return b
}
// Join sets join table and contions
func (b *Builder) Join(joinType, joinTable string, joinCond interface{}) *Builder {
switch joinCond.(type) {
case Cond:
b.joins = append(b.joins, join{joinType, joinTable, joinCond.(Cond)})
case string:
b.joins = append(b.joins, join{joinType, joinTable, Expr(joinCond.(string))})
}
return b
}
// InnerJoin sets inner join
func (b *Builder) InnerJoin(joinTable string, joinCond interface{}) *Builder {
return b.Join("INNER", joinTable, joinCond)
}
// LeftJoin sets left join SQL
func (b *Builder) LeftJoin(joinTable string, joinCond interface{}) *Builder {
return b.Join("LEFT", joinTable, joinCond)
}
// RightJoin sets right join SQL
func (b *Builder) RightJoin(joinTable string, joinCond interface{}) *Builder {
return b.Join("RIGHT", joinTable, joinCond)
}
// CrossJoin sets cross join SQL
func (b *Builder) CrossJoin(joinTable string, joinCond interface{}) *Builder {
return b.Join("CROSS", joinTable, joinCond)
}
// FullJoin sets full join SQL
func (b *Builder) FullJoin(joinTable string, joinCond interface{}) *Builder {
return b.Join("FULL", joinTable, joinCond)
}
// Select sets select SQL
func (b *Builder) Select(cols ...string) *Builder {
b.selects = cols
b.optype = selectType
return b
}
// And sets AND condition
func (b *Builder) And(cond Cond) *Builder {
b.cond = And(b.cond, cond)
return b
}
// Or sets OR condition
func (b *Builder) Or(cond Cond) *Builder {
b.cond = Or(b.cond, cond)
return b
}
// Insert sets insert SQL
func (b *Builder) Insert(eq Eq) *Builder {
b.inserts = eq
b.optype = insertType
return b
}
// Update sets update SQL
func (b *Builder) Update(updates ...Eq) *Builder {
b.updates = updates
b.optype = updateType
return b
}
// Delete sets delete SQL
func (b *Builder) Delete(conds ...Cond) *Builder {
b.cond = b.cond.And(conds...)
b.optype = deleteType
return b
}
// WriteTo implements Writer interface
func (b *Builder) WriteTo(w Writer) error {
switch b.optype {
case condType:
return b.cond.WriteTo(w)
case selectType:
return b.selectWriteTo(w)
case insertType:
return b.insertWriteTo(w)
case updateType:
return b.updateWriteTo(w)
case deleteType:
return b.deleteWriteTo(w)
}
return ErrNotSupportType
}
// ToSQL convert a builder to SQL and args
func (b *Builder) ToSQL() (string, []interface{}, error) {
w := NewWriter()
if err := b.WriteTo(w); err != nil {
return "", nil, err
}
return w.writer.String(), w.args, nil
}
// ToSQL convert a builder or condtions to SQL and args
func ToSQL(cond interface{}) (string, []interface{}, error) {
switch cond.(type) {
case Cond:
return condToSQL(cond.(Cond))
case *Builder:
return cond.(*Builder).ToSQL()
}
return "", nil, ErrNotSupportType
}

22
vendor/github.com/go-xorm/builder/builder_delete.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import (
"errors"
"fmt"
)
func (b *Builder) deleteWriteTo(w Writer) error {
if len(b.tableName) <= 0 {
return errors.New("no table indicated")
}
if _, err := fmt.Fprintf(w, "DELETE FROM %s WHERE ", b.tableName); err != nil {
return err
}
return b.cond.WriteTo(w)
}

64
vendor/github.com/go-xorm/builder/builder_insert.go generated vendored Normal file
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@ -0,0 +1,64 @@
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import (
"bytes"
"errors"
"fmt"
)
func (b *Builder) insertWriteTo(w Writer) error {
if len(b.tableName) <= 0 {
return errors.New("no table indicated")
}
if len(b.inserts) <= 0 {
return errors.New("no column to be update")
}
if _, err := fmt.Fprintf(w, "INSERT INTO %s (", b.tableName); err != nil {
return err
}
var args = make([]interface{}, 0)
var bs []byte
var valBuffer = bytes.NewBuffer(bs)
var i = 0
for col, value := range b.inserts {
fmt.Fprint(w, col)
if e, ok := value.(expr); ok {
fmt.Fprint(valBuffer, e.sql)
args = append(args, e.args...)
} else {
fmt.Fprint(valBuffer, "?")
args = append(args, value)
}
if i != len(b.inserts)-1 {
if _, err := fmt.Fprint(w, ","); err != nil {
return err
}
if _, err := fmt.Fprint(valBuffer, ","); err != nil {
return err
}
}
i = i + 1
}
if _, err := fmt.Fprint(w, ") Values ("); err != nil {
return err
}
if _, err := w.Write(valBuffer.Bytes()); err != nil {
return err
}
if _, err := fmt.Fprint(w, ")"); err != nil {
return err
}
w.Append(args...)
return nil
}

53
vendor/github.com/go-xorm/builder/builder_select.go generated vendored Normal file
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@ -0,0 +1,53 @@
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import (
"errors"
"fmt"
)
func (b *Builder) selectWriteTo(w Writer) error {
if len(b.tableName) <= 0 {
return errors.New("no table indicated")
}
if _, err := fmt.Fprint(w, "SELECT "); err != nil {
return err
}
if len(b.selects) > 0 {
for i, s := range b.selects {
if _, err := fmt.Fprint(w, s); err != nil {
return err
}
if i != len(b.selects)-1 {
if _, err := fmt.Fprint(w, ","); err != nil {
return err
}
}
}
} else {
if _, err := fmt.Fprint(w, "*"); err != nil {
return err
}
}
if _, err := fmt.Fprintf(w, " FROM %s", b.tableName); err != nil {
return err
}
for _, v := range b.joins {
fmt.Fprintf(w, " %s JOIN %s ON ", v.joinType, v.joinTable)
if err := v.joinCond.WriteTo(w); err != nil {
return err
}
}
if _, err := fmt.Fprint(w, " WHERE "); err != nil {
return err
}
return b.cond.WriteTo(w)
}

41
vendor/github.com/go-xorm/builder/builder_update.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import (
"errors"
"fmt"
)
func (b *Builder) updateWriteTo(w Writer) error {
if len(b.tableName) <= 0 {
return errors.New("no table indicated")
}
if len(b.updates) <= 0 {
return errors.New("no column to be update")
}
if _, err := fmt.Fprintf(w, "UPDATE %s SET ", b.tableName); err != nil {
return err
}
for i, s := range b.updates {
if err := s.opWriteTo(",", w); err != nil {
return err
}
if i != len(b.updates)-1 {
if _, err := fmt.Fprint(w, ","); err != nil {
return err
}
}
}
if _, err := fmt.Fprint(w, " WHERE "); err != nil {
return err
}
return b.cond.WriteTo(w)
}

12
vendor/github.com/go-xorm/builder/circle.yml generated vendored Normal file
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@ -0,0 +1,12 @@
dependencies:
override:
# './...' is a relative pattern which means all subdirectories
- go get -t -d -v ./...
- go build -v
- go get -u github.com/golang/lint/golint
test:
override:
# './...' is a relative pattern which means all subdirectories
- golint ./...
- go test -v -race

87
vendor/github.com/go-xorm/builder/cond.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import (
"bytes"
"io"
)
// Writer defines the interface
type Writer interface {
io.Writer
Append(...interface{})
}
var _ Writer = NewWriter()
// BytesWriter implments Writer and save SQL in bytes.Buffer
type BytesWriter struct {
writer *bytes.Buffer
buffer []byte
args []interface{}
}
// NewWriter creates a new string writer
func NewWriter() *BytesWriter {
w := &BytesWriter{}
w.writer = bytes.NewBuffer(w.buffer)
return w
}
// Write writes data to Writer
func (s *BytesWriter) Write(buf []byte) (int, error) {
return s.writer.Write(buf)
}
// Append appends args to Writer
func (s *BytesWriter) Append(args ...interface{}) {
s.args = append(s.args, args...)
}
// Cond defines an interface
type Cond interface {
WriteTo(Writer) error
And(...Cond) Cond
Or(...Cond) Cond
IsValid() bool
}
type condEmpty struct{}
var _ Cond = condEmpty{}
// NewCond creates an empty condition
func NewCond() Cond {
return condEmpty{}
}
func (condEmpty) WriteTo(w Writer) error {
return nil
}
func (condEmpty) And(conds ...Cond) Cond {
return And(conds...)
}
func (condEmpty) Or(conds ...Cond) Cond {
return Or(conds...)
}
func (condEmpty) IsValid() bool {
return false
}
func condToSQL(cond Cond) (string, []interface{}, error) {
if cond == nil || !cond.IsValid() {
return "", nil, nil
}
w := NewWriter()
if err := cond.WriteTo(w); err != nil {
return "", nil, err
}
return w.writer.String(), w.args, nil
}

59
vendor/github.com/go-xorm/builder/cond_and.go generated vendored Normal file
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@ -0,0 +1,59 @@
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
type condAnd []Cond
var _ Cond = condAnd{}
// And generates AND conditions
func And(conds ...Cond) Cond {
var result = make(condAnd, 0, len(conds))
for _, cond := range conds {
if cond == nil || !cond.IsValid() {
continue
}
result = append(result, cond)
}
return result
}
func (and condAnd) WriteTo(w Writer) error {
for i, cond := range and {
_, isOr := cond.(condOr)
if isOr {
fmt.Fprint(w, "(")
}
err := cond.WriteTo(w)
if err != nil {
return err
}
if isOr {
fmt.Fprint(w, ")")
}
if i != len(and)-1 {
fmt.Fprint(w, " AND ")
}
}
return nil
}
func (and condAnd) And(conds ...Cond) Cond {
return And(and, And(conds...))
}
func (and condAnd) Or(conds ...Cond) Cond {
return Or(and, Or(conds...))
}
func (and condAnd) IsValid() bool {
return len(and) > 0
}

40
vendor/github.com/go-xorm/builder/cond_between.go generated vendored Normal file
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@ -0,0 +1,40 @@
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
// Between implmentes between condition
type Between struct {
Col string
LessVal interface{}
MoreVal interface{}
}
var _ Cond = Between{}
// WriteTo write data to Writer
func (between Between) WriteTo(w Writer) error {
if _, err := fmt.Fprintf(w, "%s BETWEEN ? AND ?", between.Col); err != nil {
return err
}
w.Append(between.LessVal, between.MoreVal)
return nil
}
// And implments And with other conditions
func (between Between) And(conds ...Cond) Cond {
return And(between, And(conds...))
}
// Or implments Or with other conditions
func (between Between) Or(conds ...Cond) Cond {
return Or(between, Or(conds...))
}
// IsValid tests if the condition is valid
func (between Between) IsValid() bool {
return len(between.Col) > 0
}

154
vendor/github.com/go-xorm/builder/cond_compare.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
// WriteMap writes conditions' SQL to Writer, op could be =, <>, >, <, <=, >= and etc.
func WriteMap(w Writer, data map[string]interface{}, op string) error {
var args = make([]interface{}, 0, len(data))
var i = 0
for k, v := range data {
switch v.(type) {
case expr:
if _, err := fmt.Fprintf(w, "%s%s(", k, op); err != nil {
return err
}
if err := v.(expr).WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
case *Builder:
if _, err := fmt.Fprintf(w, "%s%s(", k, op); err != nil {
return err
}
if err := v.(*Builder).WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
default:
if _, err := fmt.Fprintf(w, "%s%s?", k, op); err != nil {
return err
}
args = append(args, v)
}
if i != len(data)-1 {
if _, err := fmt.Fprint(w, " AND "); err != nil {
return err
}
}
i = i + 1
}
w.Append(args...)
return nil
}
// Lt defines < condition
type Lt map[string]interface{}
var _ Cond = Lt{}
// WriteTo write SQL to Writer
func (lt Lt) WriteTo(w Writer) error {
return WriteMap(w, lt, "<")
}
// And implements And with other conditions
func (lt Lt) And(conds ...Cond) Cond {
return condAnd{lt, And(conds...)}
}
// Or implements Or with other conditions
func (lt Lt) Or(conds ...Cond) Cond {
return condOr{lt, Or(conds...)}
}
// IsValid tests if this Eq is valid
func (lt Lt) IsValid() bool {
return len(lt) > 0
}
// Lte defines <= condition
type Lte map[string]interface{}
var _ Cond = Lte{}
// WriteTo write SQL to Writer
func (lte Lte) WriteTo(w Writer) error {
return WriteMap(w, lte, "<=")
}
// And implements And with other conditions
func (lte Lte) And(conds ...Cond) Cond {
return And(lte, And(conds...))
}
// Or implements Or with other conditions
func (lte Lte) Or(conds ...Cond) Cond {
return Or(lte, Or(conds...))
}
// IsValid tests if this Eq is valid
func (lte Lte) IsValid() bool {
return len(lte) > 0
}
// Gt defines > condition
type Gt map[string]interface{}
var _ Cond = Gt{}
// WriteTo write SQL to Writer
func (gt Gt) WriteTo(w Writer) error {
return WriteMap(w, gt, ">")
}
// And implements And with other conditions
func (gt Gt) And(conds ...Cond) Cond {
return And(gt, And(conds...))
}
// Or implements Or with other conditions
func (gt Gt) Or(conds ...Cond) Cond {
return Or(gt, Or(conds...))
}
// IsValid tests if this Eq is valid
func (gt Gt) IsValid() bool {
return len(gt) > 0
}
// Gte defines >= condition
type Gte map[string]interface{}
var _ Cond = Gte{}
// WriteTo write SQL to Writer
func (gte Gte) WriteTo(w Writer) error {
return WriteMap(w, gte, ">=")
}
// And implements And with other conditions
func (gte Gte) And(conds ...Cond) Cond {
return And(gte, And(conds...))
}
// Or implements Or with other conditions
func (gte Gte) Or(conds ...Cond) Cond {
return Or(gte, Or(conds...))
}
// IsValid tests if this Eq is valid
func (gte Gte) IsValid() bool {
return len(gte) > 0
}

96
vendor/github.com/go-xorm/builder/cond_eq.go generated vendored Normal file
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@ -0,0 +1,96 @@
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
// Incr implements a type used by Eq
type Incr int
// Decr implements a type used by Eq
type Decr int
// Eq defines equals conditions
type Eq map[string]interface{}
var _ Cond = Eq{}
func (eq Eq) opWriteTo(op string, w Writer) error {
var i = 0
for k, v := range eq {
switch v.(type) {
case []int, []int64, []string, []int32, []int16, []int8, []uint, []uint64, []uint32, []uint16, []interface{}:
if err := In(k, v).WriteTo(w); err != nil {
return err
}
case expr:
if _, err := fmt.Fprintf(w, "%s=(", k); err != nil {
return err
}
if err := v.(expr).WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
case *Builder:
if _, err := fmt.Fprintf(w, "%s=(", k); err != nil {
return err
}
if err := v.(*Builder).WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
case Incr:
if _, err := fmt.Fprintf(w, "%s=%s+?", k, k); err != nil {
return err
}
w.Append(int(v.(Incr)))
case Decr:
if _, err := fmt.Fprintf(w, "%s=%s-?", k, k); err != nil {
return err
}
w.Append(int(v.(Decr)))
default:
if _, err := fmt.Fprintf(w, "%s=?", k); err != nil {
return err
}
w.Append(v)
}
if i != len(eq)-1 {
if _, err := fmt.Fprint(w, op); err != nil {
return err
}
}
i = i + 1
}
return nil
}
// WriteTo writes SQL to Writer
func (eq Eq) WriteTo(w Writer) error {
return eq.opWriteTo(" AND ", w)
}
// And implements And with other conditions
func (eq Eq) And(conds ...Cond) Cond {
return And(eq, And(conds...))
}
// Or implements Or with other conditions
func (eq Eq) Or(conds ...Cond) Cond {
return Or(eq, Or(conds...))
}
// IsValid tests if this Eq is valid
func (eq Eq) IsValid() bool {
return len(eq) > 0
}

39
vendor/github.com/go-xorm/builder/cond_expr.go generated vendored Normal file
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@ -0,0 +1,39 @@
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
type expr struct {
sql string
args []interface{}
}
var _ Cond = expr{}
// Expr generate customerize SQL
func Expr(sql string, args ...interface{}) Cond {
return expr{sql, args}
}
func (expr expr) WriteTo(w Writer) error {
if _, err := fmt.Fprint(w, expr.sql); err != nil {
return err
}
w.Append(expr.args...)
return nil
}
func (expr expr) And(conds ...Cond) Cond {
return And(expr, And(conds...))
}
func (expr expr) Or(conds ...Cond) Cond {
return Or(expr, Or(conds...))
}
func (expr expr) IsValid() bool {
return len(expr.sql) > 0
}

237
vendor/github.com/go-xorm/builder/cond_in.go generated vendored Normal file
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@ -0,0 +1,237 @@
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import (
"fmt"
"reflect"
"strings"
)
type condIn struct {
col string
vals []interface{}
}
var _ Cond = condIn{}
// In generates IN condition
func In(col string, values ...interface{}) Cond {
return condIn{col, values}
}
func (condIn condIn) handleBlank(w Writer) error {
_, err := fmt.Fprint(w, "0=1")
return err
}
func (condIn condIn) WriteTo(w Writer) error {
if len(condIn.vals) <= 0 {
return condIn.handleBlank(w)
}
switch condIn.vals[0].(type) {
case []int8:
vals := condIn.vals[0].([]int8)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []int16:
vals := condIn.vals[0].([]int16)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []int:
vals := condIn.vals[0].([]int)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []int32:
vals := condIn.vals[0].([]int32)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []int64:
vals := condIn.vals[0].([]int64)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint8:
vals := condIn.vals[0].([]uint8)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint16:
vals := condIn.vals[0].([]uint16)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint:
vals := condIn.vals[0].([]uint)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint32:
vals := condIn.vals[0].([]uint32)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint64:
vals := condIn.vals[0].([]uint64)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []string:
vals := condIn.vals[0].([]string)
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []interface{}:
vals := condIn.vals[0].([]interface{})
if len(vals) <= 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
w.Append(vals...)
case expr:
val := condIn.vals[0].(expr)
if _, err := fmt.Fprintf(w, "%s IN (", condIn.col); err != nil {
return err
}
if err := val.WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
case *Builder:
bd := condIn.vals[0].(*Builder)
if _, err := fmt.Fprintf(w, "%s IN (", condIn.col); err != nil {
return err
}
if err := bd.WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
default:
v := reflect.ValueOf(condIn.vals[0])
if v.Kind() == reflect.Slice {
l := v.Len()
if l == 0 {
return condIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", l)
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for i := 0; i < l; i++ {
w.Append(v.Index(i).Interface())
}
} else {
questionMark := strings.Repeat("?,", len(condIn.vals))
if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
w.Append(condIn.vals...)
}
}
return nil
}
func (condIn condIn) And(conds ...Cond) Cond {
return And(condIn, And(conds...))
}
func (condIn condIn) Or(conds ...Cond) Cond {
return Or(condIn, Or(conds...))
}
func (condIn condIn) IsValid() bool {
return len(condIn.col) > 0 && len(condIn.vals) > 0
}

41
vendor/github.com/go-xorm/builder/cond_like.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
// Like defines like condition
type Like [2]string
var _ Cond = Like{"", ""}
// WriteTo write SQL to Writer
func (like Like) WriteTo(w Writer) error {
if _, err := fmt.Fprintf(w, "%s LIKE ?", like[0]); err != nil {
return err
}
// FIXME: if use other regular express, this will be failed. but for compitable, keep this
if like[1][0] == '%' || like[1][len(like[1])-1] == '%' {
w.Append(like[1])
} else {
w.Append("%" + like[1] + "%")
}
return nil
}
// And implements And with other conditions
func (like Like) And(conds ...Cond) Cond {
return And(like, And(conds...))
}
// Or implements Or with other conditions
func (like Like) Or(conds ...Cond) Cond {
return Or(like, Or(conds...))
}
// IsValid tests if this condition is valid
func (like Like) IsValid() bool {
return len(like[0]) > 0 && len(like[1]) > 0
}

78
vendor/github.com/go-xorm/builder/cond_neq.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
// Neq defines not equal conditions
type Neq map[string]interface{}
var _ Cond = Neq{}
// WriteTo writes SQL to Writer
func (neq Neq) WriteTo(w Writer) error {
var args = make([]interface{}, 0, len(neq))
var i = 0
for k, v := range neq {
switch v.(type) {
case []int, []int64, []string, []int32, []int16, []int8:
if err := NotIn(k, v).WriteTo(w); err != nil {
return err
}
case expr:
if _, err := fmt.Fprintf(w, "%s<>(", k); err != nil {
return err
}
if err := v.(expr).WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
case *Builder:
if _, err := fmt.Fprintf(w, "%s<>(", k); err != nil {
return err
}
if err := v.(*Builder).WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
default:
if _, err := fmt.Fprintf(w, "%s<>?", k); err != nil {
return err
}
args = append(args, v)
}
if i != len(neq)-1 {
if _, err := fmt.Fprint(w, " AND "); err != nil {
return err
}
}
i = i + 1
}
w.Append(args...)
return nil
}
// And implements And with other conditions
func (neq Neq) And(conds ...Cond) Cond {
return And(neq, And(conds...))
}
// Or implements Or with other conditions
func (neq Neq) Or(conds ...Cond) Cond {
return Or(neq, Or(conds...))
}
// IsValid tests if this condition is valid
func (neq Neq) IsValid() bool {
return len(neq) > 0
}

53
vendor/github.com/go-xorm/builder/cond_not.go generated vendored Normal file
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@ -0,0 +1,53 @@
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
// Not defines NOT condition
type Not [1]Cond
var _ Cond = Not{}
// WriteTo writes SQL to Writer
func (not Not) WriteTo(w Writer) error {
if _, err := fmt.Fprint(w, "NOT "); err != nil {
return err
}
switch not[0].(type) {
case condAnd, condOr:
if _, err := fmt.Fprint(w, "("); err != nil {
return err
}
}
if err := not[0].WriteTo(w); err != nil {
return err
}
switch not[0].(type) {
case condAnd, condOr:
if _, err := fmt.Fprint(w, ")"); err != nil {
return err
}
}
return nil
}
// And implements And with other conditions
func (not Not) And(conds ...Cond) Cond {
return And(not, And(conds...))
}
// Or implements Or with other conditions
func (not Not) Or(conds ...Cond) Cond {
return Or(not, Or(conds...))
}
// IsValid tests if this condition is valid
func (not Not) IsValid() bool {
return not[0] != nil && not[0].IsValid()
}

234
vendor/github.com/go-xorm/builder/cond_notin.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import (
"fmt"
"reflect"
"strings"
)
type condNotIn condIn
var _ Cond = condNotIn{}
// NotIn generate NOT IN condition
func NotIn(col string, values ...interface{}) Cond {
return condNotIn{col, values}
}
func (condNotIn condNotIn) handleBlank(w Writer) error {
_, err := fmt.Fprint(w, "0=0")
return err
}
func (condNotIn condNotIn) WriteTo(w Writer) error {
if len(condNotIn.vals) <= 0 {
return condNotIn.handleBlank(w)
}
switch condNotIn.vals[0].(type) {
case []int8:
vals := condNotIn.vals[0].([]int8)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []int16:
vals := condNotIn.vals[0].([]int16)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []int:
vals := condNotIn.vals[0].([]int)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []int32:
vals := condNotIn.vals[0].([]int32)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []int64:
vals := condNotIn.vals[0].([]int64)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint8:
vals := condNotIn.vals[0].([]uint8)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint16:
vals := condNotIn.vals[0].([]uint16)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint:
vals := condNotIn.vals[0].([]uint)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint32:
vals := condNotIn.vals[0].([]uint32)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []uint64:
vals := condNotIn.vals[0].([]uint64)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []string:
vals := condNotIn.vals[0].([]string)
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for _, val := range vals {
w.Append(val)
}
case []interface{}:
vals := condNotIn.vals[0].([]interface{})
if len(vals) <= 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", len(vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
w.Append(vals...)
case expr:
val := condNotIn.vals[0].(expr)
if _, err := fmt.Fprintf(w, "%s NOT IN (", condNotIn.col); err != nil {
return err
}
if err := val.WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
case *Builder:
val := condNotIn.vals[0].(*Builder)
if _, err := fmt.Fprintf(w, "%s NOT IN (", condNotIn.col); err != nil {
return err
}
if err := val.WriteTo(w); err != nil {
return err
}
if _, err := fmt.Fprintf(w, ")"); err != nil {
return err
}
default:
v := reflect.ValueOf(condNotIn.vals[0])
if v.Kind() == reflect.Slice {
l := v.Len()
if l == 0 {
return condNotIn.handleBlank(w)
}
questionMark := strings.Repeat("?,", l)
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
for i := 0; i < l; i++ {
w.Append(v.Index(i).Interface())
}
} else {
questionMark := strings.Repeat("?,", len(condNotIn.vals))
if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
return err
}
w.Append(condNotIn.vals...)
}
}
return nil
}
func (condNotIn condNotIn) And(conds ...Cond) Cond {
return And(condNotIn, And(conds...))
}
func (condNotIn condNotIn) Or(conds ...Cond) Cond {
return Or(condNotIn, Or(conds...))
}
func (condNotIn condNotIn) IsValid() bool {
return len(condNotIn.col) > 0 && len(condNotIn.vals) > 0
}

59
vendor/github.com/go-xorm/builder/cond_null.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
// IsNull defines IS NULL condition
type IsNull [1]string
var _ Cond = IsNull{""}
// WriteTo write SQL to Writer
func (isNull IsNull) WriteTo(w Writer) error {
_, err := fmt.Fprintf(w, "%s IS NULL", isNull[0])
return err
}
// And implements And with other conditions
func (isNull IsNull) And(conds ...Cond) Cond {
return And(isNull, And(conds...))
}
// Or implements Or with other conditions
func (isNull IsNull) Or(conds ...Cond) Cond {
return Or(isNull, Or(conds...))
}
// IsValid tests if this condition is valid
func (isNull IsNull) IsValid() bool {
return len(isNull[0]) > 0
}
// NotNull defines NOT NULL condition
type NotNull [1]string
var _ Cond = NotNull{""}
// WriteTo write SQL to Writer
func (notNull NotNull) WriteTo(w Writer) error {
_, err := fmt.Fprintf(w, "%s IS NOT NULL", notNull[0])
return err
}
// And implements And with other conditions
func (notNull NotNull) And(conds ...Cond) Cond {
return And(notNull, And(conds...))
}
// Or implements Or with other conditions
func (notNull NotNull) Or(conds ...Cond) Cond {
return Or(notNull, Or(conds...))
}
// IsValid tests if this condition is valid
func (notNull NotNull) IsValid() bool {
return len(notNull[0]) > 0
}

67
vendor/github.com/go-xorm/builder/cond_or.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
type condOr []Cond
var _ Cond = condOr{}
// Or sets OR conditions
func Or(conds ...Cond) Cond {
var result = make(condOr, 0, len(conds))
for _, cond := range conds {
if cond == nil || !cond.IsValid() {
continue
}
result = append(result, cond)
}
return result
}
// WriteTo implments Cond
func (o condOr) WriteTo(w Writer) error {
for i, cond := range o {
var needQuote bool
switch cond.(type) {
case condAnd:
needQuote = true
case Eq:
needQuote = (len(cond.(Eq)) > 1)
}
if needQuote {
fmt.Fprint(w, "(")
}
err := cond.WriteTo(w)
if err != nil {
return err
}
if needQuote {
fmt.Fprint(w, ")")
}
if i != len(o)-1 {
fmt.Fprint(w, " OR ")
}
}
return nil
}
func (o condOr) And(conds ...Cond) Cond {
return And(o, And(conds...))
}
func (o condOr) Or(conds ...Cond) Cond {
return Or(o, Or(conds...))
}
func (o condOr) IsValid() bool {
return len(o) > 0
}

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vendor/github.com/go-xorm/builder/doc.go generated vendored Normal file
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// Copyright 2016 The XORM Authors. All rights reserved.
// Use of this source code is governed by a BSD
// license that can be found in the LICENSE file.
/*
Package builder is a simple and powerful sql builder for Go.
Make sure you have installed Go 1.1+ and then:
go get github.com/go-xorm/builder
WARNNING: Currently, only query conditions are supported. Below is the supported conditions.
1. Eq is a redefine of a map, you can give one or more conditions to Eq
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Eq{"a":1})
// a=? [1]
sql, args, _ := ToSQL(Eq{"b":"c"}.And(Eq{"c": 0}))
// b=? AND c=? ["c", 0]
sql, args, _ := ToSQL(Eq{"b":"c", "c":0})
// b=? AND c=? ["c", 0]
sql, args, _ := ToSQL(Eq{"b":"c"}.Or(Eq{"b":"d"}))
// b=? OR b=? ["c", "d"]
sql, args, _ := ToSQL(Eq{"b": []string{"c", "d"}})
// b IN (?,?) ["c", "d"]
sql, args, _ := ToSQL(Eq{"b": 1, "c":[]int{2, 3}})
// b=? AND c IN (?,?) [1, 2, 3]
2. Neq is the same to Eq
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Neq{"a":1})
// a<>? [1]
sql, args, _ := ToSQL(Neq{"b":"c"}.And(Neq{"c": 0}))
// b<>? AND c<>? ["c", 0]
sql, args, _ := ToSQL(Neq{"b":"c", "c":0})
// b<>? AND c<>? ["c", 0]
sql, args, _ := ToSQL(Neq{"b":"c"}.Or(Neq{"b":"d"}))
// b<>? OR b<>? ["c", "d"]
sql, args, _ := ToSQL(Neq{"b": []string{"c", "d"}})
// b NOT IN (?,?) ["c", "d"]
sql, args, _ := ToSQL(Neq{"b": 1, "c":[]int{2, 3}})
// b<>? AND c NOT IN (?,?) [1, 2, 3]
3. Gt, Gte, Lt, Lte
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Gt{"a", 1}.And(Gte{"b", 2}))
// a>? AND b>=? [1, 2]
sql, args, _ := ToSQL(Lt{"a", 1}.Or(Lte{"b", 2}))
// a<? OR b<=? [1, 2]
4. Like
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Like{"a", "c"})
// a LIKE ? [%c%]
5. Expr you can customerize your sql with Expr
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Expr("a = ? ", 1))
// a = ? [1]
sql, args, _ := ToSQL(Eq{"a": Expr("select id from table where c = ?", 1)})
// a=(select id from table where c = ?) [1]
6. In and NotIn
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(In("a", 1, 2, 3))
// a IN (?,?,?) [1,2,3]
sql, args, _ := ToSQL(In("a", []int{1, 2, 3}))
// a IN (?,?,?) [1,2,3]
sql, args, _ := ToSQL(In("a", Expr("select id from b where c = ?", 1))))
// a IN (select id from b where c = ?) [1]
7. IsNull and NotNull
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(IsNull{"a"})
// a IS NULL []
sql, args, _ := ToSQL(NotNull{"b"})
// b IS NOT NULL []
8. And(conds ...Cond), And can connect one or more condtions via AND
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(And(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
// a=? AND b LIKE ? AND d<>? [1, %c%, 2]
9. Or(conds ...Cond), Or can connect one or more conditions via Or
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Or(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
// a=? OR b LIKE ? OR d<>? [1, %c%, 2]
sql, args, _ := ToSQL(Or(Eq{"a":1}, And(Like{"b", "c"}, Neq{"d", 2})))
// a=? OR (b LIKE ? AND d<>?) [1, %c%, 2]
10. Between
import . "github.com/go-xorm/builder"
sql, args, _ := ToSQL(Between("a", 1, 2))
// a BETWEEN 1 AND 2
11. define yourself conditions
Since Cond is a interface, you can define yourself conditions and compare with them
*/
package builder

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vendor/github.com/go-xorm/builder/error.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "errors"
var (
// ErrNotSupportType not supported SQL type error
ErrNotSupportType = errors.New("not supported SQL type")
// ErrNoNotInConditions no NOT IN params error
ErrNoNotInConditions = errors.New("No NOT IN conditions")
// ErrNoInConditions no IN params error
ErrNoInConditions = errors.New("No IN conditions")
)

27
vendor/github.com/go-xorm/core/LICENSE generated vendored Normal file
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Copyright (c) 2013 - 2015 Lunny Xiao <xiaolunwen@gmail.com>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the {organization} nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

116
vendor/github.com/go-xorm/core/README.md generated vendored Normal file
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Core is a lightweight wrapper of sql.DB.
[![CircleCI](https://circleci.com/gh/go-xorm/core/tree/master.svg?style=svg)](https://circleci.com/gh/go-xorm/core/tree/master)
# Open
```Go
db, _ := core.Open(db, connstr)
```
# SetMapper
```Go
db.SetMapper(SameMapper())
```
## Scan usage
### Scan
```Go
rows, _ := db.Query()
for rows.Next() {
rows.Scan()
}
```
### ScanMap
```Go
rows, _ := db.Query()
for rows.Next() {
rows.ScanMap()
```
### ScanSlice
You can use `[]string`, `[][]byte`, `[]interface{}`, `[]*string`, `[]sql.NullString` to ScanSclice. Notice, slice's length should be equal or less than select columns.
```Go
rows, _ := db.Query()
cols, _ := rows.Columns()
for rows.Next() {
var s = make([]string, len(cols))
rows.ScanSlice(&s)
}
```
```Go
rows, _ := db.Query()
cols, _ := rows.Columns()
for rows.Next() {
var s = make([]*string, len(cols))
rows.ScanSlice(&s)
}
```
### ScanStruct
```Go
rows, _ := db.Query()
for rows.Next() {
rows.ScanStructByName()
rows.ScanStructByIndex()
}
```
## Query usage
```Go
rows, err := db.Query("select * from table where name = ?", name)
user = User{
Name:"lunny",
}
rows, err := db.QueryStruct("select * from table where name = ?Name",
&user)
var user = map[string]interface{}{
"name": "lunny",
}
rows, err = db.QueryMap("select * from table where name = ?name",
&user)
```
## QueryRow usage
```Go
row := db.QueryRow("select * from table where name = ?", name)
user = User{
Name:"lunny",
}
row := db.QueryRowStruct("select * from table where name = ?Name",
&user)
var user = map[string]interface{}{
"name": "lunny",
}
row = db.QueryRowMap("select * from table where name = ?name",
&user)
```
## Exec usage
```Go
db.Exec("insert into user (`name`, title, age, alias, nick_name,created) values (?,?,?,?,?,?)", name, title, age, alias...)
user = User{
Name:"lunny",
Title:"test",
Age: 18,
}
result, err = db.ExecStruct("insert into user (`name`, title, age, alias, nick_name,created) values (?Name,?Title,?Age,?Alias,?NickName,?Created)",
&user)
var user = map[string]interface{}{
"Name": "lunny",
"Title": "test",
"Age": 18,
}
result, err = db.ExecMap("insert into user (`name`, title, age, alias, nick_name,created) values (?Name,?Title,?Age,?Alias,?NickName,?Created)",
&user)
```

1
vendor/github.com/go-xorm/core/benchmark.sh generated vendored Executable file
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go test -v -bench=. -run=XXX

87
vendor/github.com/go-xorm/core/cache.go generated vendored Normal file
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package core
import (
"errors"
"fmt"
"time"
"bytes"
"encoding/gob"
)
const (
// default cache expired time
CacheExpired = 60 * time.Minute
// not use now
CacheMaxMemory = 256
// evey ten minutes to clear all expired nodes
CacheGcInterval = 10 * time.Minute
// each time when gc to removed max nodes
CacheGcMaxRemoved = 20
)
var (
ErrCacheMiss = errors.New("xorm/cache: key not found.")
ErrNotStored = errors.New("xorm/cache: not stored.")
)
// CacheStore is a interface to store cache
type CacheStore interface {
// key is primary key or composite primary key
// value is struct's pointer
// key format : <tablename>-p-<pk1>-<pk2>...
Put(key string, value interface{}) error
Get(key string) (interface{}, error)
Del(key string) error
}
// Cacher is an interface to provide cache
// id format : u-<pk1>-<pk2>...
type Cacher interface {
GetIds(tableName, sql string) interface{}
GetBean(tableName string, id string) interface{}
PutIds(tableName, sql string, ids interface{})
PutBean(tableName string, id string, obj interface{})
DelIds(tableName, sql string)
DelBean(tableName string, id string)
ClearIds(tableName string)
ClearBeans(tableName string)
}
func encodeIds(ids []PK) (string, error) {
buf := new(bytes.Buffer)
enc := gob.NewEncoder(buf)
err := enc.Encode(ids)
return buf.String(), err
}
func decodeIds(s string) ([]PK, error) {
pks := make([]PK, 0)
dec := gob.NewDecoder(bytes.NewBufferString(s))
err := dec.Decode(&pks)
return pks, err
}
func GetCacheSql(m Cacher, tableName, sql string, args interface{}) ([]PK, error) {
bytes := m.GetIds(tableName, GenSqlKey(sql, args))
if bytes == nil {
return nil, errors.New("Not Exist")
}
return decodeIds(bytes.(string))
}
func PutCacheSql(m Cacher, ids []PK, tableName, sql string, args interface{}) error {
bytes, err := encodeIds(ids)
if err != nil {
return err
}
m.PutIds(tableName, GenSqlKey(sql, args), bytes)
return nil
}
func GenSqlKey(sql string, args interface{}) string {
return fmt.Sprintf("%v-%v", sql, args)
}

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vendor/github.com/go-xorm/core/circle.yml generated vendored Normal file
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dependencies:
override:
# './...' is a relative pattern which means all subdirectories
- go get -t -d -v ./...
- go build -v
database:
override:
- mysql -u root -e "CREATE DATABASE core_test DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci"
test:
override:
# './...' is a relative pattern which means all subdirectories
- go test -v -race

159
vendor/github.com/go-xorm/core/column.go generated vendored Normal file
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package core
import (
"fmt"
"reflect"
"strings"
"time"
)
const (
TWOSIDES = iota + 1
ONLYTODB
ONLYFROMDB
)
// Column defines database column
type Column struct {
Name string
TableName string
FieldName string
SQLType SQLType
IsJSON bool
Length int
Length2 int
Nullable bool
Default string
Indexes map[string]int
IsPrimaryKey bool
IsAutoIncrement bool
MapType int
IsCreated bool
IsUpdated bool
IsDeleted bool
IsCascade bool
IsVersion bool
DefaultIsEmpty bool
EnumOptions map[string]int
SetOptions map[string]int
DisableTimeZone bool
TimeZone *time.Location // column specified time zone
Comment string
}
func NewColumn(name, fieldName string, sqlType SQLType, len1, len2 int, nullable bool) *Column {
return &Column{
Name: name,
TableName: "",
FieldName: fieldName,
SQLType: sqlType,
Length: len1,
Length2: len2,
Nullable: nullable,
Default: "",
Indexes: make(map[string]int),
IsPrimaryKey: false,
IsAutoIncrement: false,
MapType: TWOSIDES,
IsCreated: false,
IsUpdated: false,
IsDeleted: false,
IsCascade: false,
IsVersion: false,
DefaultIsEmpty: false,
EnumOptions: make(map[string]int),
Comment: "",
}
}
// generate column description string according dialect
func (col *Column) String(d Dialect) string {
sql := d.QuoteStr() + col.Name + d.QuoteStr() + " "
sql += d.SqlType(col) + " "
if col.IsPrimaryKey {
sql += "PRIMARY KEY "
if col.IsAutoIncrement {
sql += d.AutoIncrStr() + " "
}
}
if d.ShowCreateNull() {
if col.Nullable {
sql += "NULL "
} else {
sql += "NOT NULL "
}
}
if col.Default != "" {
sql += "DEFAULT " + col.Default + " "
}
return sql
}
func (col *Column) StringNoPk(d Dialect) string {
sql := d.QuoteStr() + col.Name + d.QuoteStr() + " "
sql += d.SqlType(col) + " "
if d.ShowCreateNull() {
if col.Nullable {
sql += "NULL "
} else {
sql += "NOT NULL "
}
}
if col.Default != "" {
sql += "DEFAULT " + col.Default + " "
}
return sql
}
// return col's filed of struct's value
func (col *Column) ValueOf(bean interface{}) (*reflect.Value, error) {
dataStruct := reflect.Indirect(reflect.ValueOf(bean))
return col.ValueOfV(&dataStruct)
}
func (col *Column) ValueOfV(dataStruct *reflect.Value) (*reflect.Value, error) {
var fieldValue reflect.Value
fieldPath := strings.Split(col.FieldName, ".")
if dataStruct.Type().Kind() == reflect.Map {
keyValue := reflect.ValueOf(fieldPath[len(fieldPath)-1])
fieldValue = dataStruct.MapIndex(keyValue)
return &fieldValue, nil
} else if dataStruct.Type().Kind() == reflect.Interface {
structValue := reflect.ValueOf(dataStruct.Interface())
dataStruct = &structValue
}
level := len(fieldPath)
fieldValue = dataStruct.FieldByName(fieldPath[0])
for i := 0; i < level-1; i++ {
if !fieldValue.IsValid() {
break
}
if fieldValue.Kind() == reflect.Struct {
fieldValue = fieldValue.FieldByName(fieldPath[i+1])
} else if fieldValue.Kind() == reflect.Ptr {
if fieldValue.IsNil() {
fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
}
fieldValue = fieldValue.Elem().FieldByName(fieldPath[i+1])
} else {
return nil, fmt.Errorf("field %v is not valid", col.FieldName)
}
}
if !fieldValue.IsValid() {
return nil, fmt.Errorf("field %v is not valid", col.FieldName)
}
return &fieldValue, nil
}

8
vendor/github.com/go-xorm/core/converstion.go generated vendored Normal file
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@ -0,0 +1,8 @@
package core
// Conversion is an interface. A type implements Conversion will according
// the custom method to fill into database and retrieve from database.
type Conversion interface {
FromDB([]byte) error
ToDB() ([]byte, error)
}

368
vendor/github.com/go-xorm/core/db.go generated vendored Normal file
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@ -0,0 +1,368 @@
package core
import (
"database/sql"
"database/sql/driver"
"errors"
"fmt"
"reflect"
"regexp"
)
func MapToSlice(query string, mp interface{}) (string, []interface{}, error) {
vv := reflect.ValueOf(mp)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
return "", []interface{}{}, ErrNoMapPointer
}
args := make([]interface{}, 0, len(vv.Elem().MapKeys()))
var err error
query = re.ReplaceAllStringFunc(query, func(src string) string {
v := vv.Elem().MapIndex(reflect.ValueOf(src[1:]))
if !v.IsValid() {
err = fmt.Errorf("map key %s is missing", src[1:])
} else {
args = append(args, v.Interface())
}
return "?"
})
return query, args, err
}
func StructToSlice(query string, st interface{}) (string, []interface{}, error) {
vv := reflect.ValueOf(st)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
return "", []interface{}{}, ErrNoStructPointer
}
args := make([]interface{}, 0)
var err error
query = re.ReplaceAllStringFunc(query, func(src string) string {
fv := vv.Elem().FieldByName(src[1:]).Interface()
if v, ok := fv.(driver.Valuer); ok {
var value driver.Value
value, err = v.Value()
if err != nil {
return "?"
}
args = append(args, value)
} else {
args = append(args, fv)
}
return "?"
})
if err != nil {
return "", []interface{}{}, err
}
return query, args, nil
}
type DB struct {
*sql.DB
Mapper IMapper
}
func Open(driverName, dataSourceName string) (*DB, error) {
db, err := sql.Open(driverName, dataSourceName)
if err != nil {
return nil, err
}
return &DB{db, NewCacheMapper(&SnakeMapper{})}, nil
}
func FromDB(db *sql.DB) *DB {
return &DB{db, NewCacheMapper(&SnakeMapper{})}
}
func (db *DB) Query(query string, args ...interface{}) (*Rows, error) {
rows, err := db.DB.Query(query, args...)
if err != nil {
if rows != nil {
rows.Close()
}
return nil, err
}
return &Rows{rows, db.Mapper}, nil
}
func (db *DB) QueryMap(query string, mp interface{}) (*Rows, error) {
query, args, err := MapToSlice(query, mp)
if err != nil {
return nil, err
}
return db.Query(query, args...)
}
func (db *DB) QueryStruct(query string, st interface{}) (*Rows, error) {
query, args, err := StructToSlice(query, st)
if err != nil {
return nil, err
}
return db.Query(query, args...)
}
func (db *DB) QueryRow(query string, args ...interface{}) *Row {
rows, err := db.Query(query, args...)
if err != nil {
return &Row{nil, err}
}
return &Row{rows, nil}
}
func (db *DB) QueryRowMap(query string, mp interface{}) *Row {
query, args, err := MapToSlice(query, mp)
if err != nil {
return &Row{nil, err}
}
return db.QueryRow(query, args...)
}
func (db *DB) QueryRowStruct(query string, st interface{}) *Row {
query, args, err := StructToSlice(query, st)
if err != nil {
return &Row{nil, err}
}
return db.QueryRow(query, args...)
}
type Stmt struct {
*sql.Stmt
Mapper IMapper
names map[string]int
}
func (db *DB) Prepare(query string) (*Stmt, error) {
names := make(map[string]int)
var i int
query = re.ReplaceAllStringFunc(query, func(src string) string {
names[src[1:]] = i
i += 1
return "?"
})
stmt, err := db.DB.Prepare(query)
if err != nil {
return nil, err
}
return &Stmt{stmt, db.Mapper, names}, nil
}
func (s *Stmt) ExecMap(mp interface{}) (sql.Result, error) {
vv := reflect.ValueOf(mp)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
return nil, errors.New("mp should be a map's pointer")
}
args := make([]interface{}, len(s.names))
for k, i := range s.names {
args[i] = vv.Elem().MapIndex(reflect.ValueOf(k)).Interface()
}
return s.Stmt.Exec(args...)
}
func (s *Stmt) ExecStruct(st interface{}) (sql.Result, error) {
vv := reflect.ValueOf(st)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
return nil, errors.New("mp should be a map's pointer")
}
args := make([]interface{}, len(s.names))
for k, i := range s.names {
args[i] = vv.Elem().FieldByName(k).Interface()
}
return s.Stmt.Exec(args...)
}
func (s *Stmt) Query(args ...interface{}) (*Rows, error) {
rows, err := s.Stmt.Query(args...)
if err != nil {
return nil, err
}
return &Rows{rows, s.Mapper}, nil
}
func (s *Stmt) QueryMap(mp interface{}) (*Rows, error) {
vv := reflect.ValueOf(mp)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
return nil, errors.New("mp should be a map's pointer")
}
args := make([]interface{}, len(s.names))
for k, i := range s.names {
args[i] = vv.Elem().MapIndex(reflect.ValueOf(k)).Interface()
}
return s.Query(args...)
}
func (s *Stmt) QueryStruct(st interface{}) (*Rows, error) {
vv := reflect.ValueOf(st)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
return nil, errors.New("mp should be a map's pointer")
}
args := make([]interface{}, len(s.names))
for k, i := range s.names {
args[i] = vv.Elem().FieldByName(k).Interface()
}
return s.Query(args...)
}
func (s *Stmt) QueryRow(args ...interface{}) *Row {
rows, err := s.Query(args...)
return &Row{rows, err}
}
func (s *Stmt) QueryRowMap(mp interface{}) *Row {
vv := reflect.ValueOf(mp)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
return &Row{nil, errors.New("mp should be a map's pointer")}
}
args := make([]interface{}, len(s.names))
for k, i := range s.names {
args[i] = vv.Elem().MapIndex(reflect.ValueOf(k)).Interface()
}
return s.QueryRow(args...)
}
func (s *Stmt) QueryRowStruct(st interface{}) *Row {
vv := reflect.ValueOf(st)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
return &Row{nil, errors.New("st should be a struct's pointer")}
}
args := make([]interface{}, len(s.names))
for k, i := range s.names {
args[i] = vv.Elem().FieldByName(k).Interface()
}
return s.QueryRow(args...)
}
var (
re = regexp.MustCompile(`[?](\w+)`)
)
// insert into (name) values (?)
// insert into (name) values (?name)
func (db *DB) ExecMap(query string, mp interface{}) (sql.Result, error) {
query, args, err := MapToSlice(query, mp)
if err != nil {
return nil, err
}
return db.DB.Exec(query, args...)
}
func (db *DB) ExecStruct(query string, st interface{}) (sql.Result, error) {
query, args, err := StructToSlice(query, st)
if err != nil {
return nil, err
}
return db.DB.Exec(query, args...)
}
type EmptyScanner struct {
}
func (EmptyScanner) Scan(src interface{}) error {
return nil
}
type Tx struct {
*sql.Tx
Mapper IMapper
}
func (db *DB) Begin() (*Tx, error) {
tx, err := db.DB.Begin()
if err != nil {
return nil, err
}
return &Tx{tx, db.Mapper}, nil
}
func (tx *Tx) Prepare(query string) (*Stmt, error) {
names := make(map[string]int)
var i int
query = re.ReplaceAllStringFunc(query, func(src string) string {
names[src[1:]] = i
i += 1
return "?"
})
stmt, err := tx.Tx.Prepare(query)
if err != nil {
return nil, err
}
return &Stmt{stmt, tx.Mapper, names}, nil
}
func (tx *Tx) Stmt(stmt *Stmt) *Stmt {
// TODO:
return stmt
}
func (tx *Tx) ExecMap(query string, mp interface{}) (sql.Result, error) {
query, args, err := MapToSlice(query, mp)
if err != nil {
return nil, err
}
return tx.Tx.Exec(query, args...)
}
func (tx *Tx) ExecStruct(query string, st interface{}) (sql.Result, error) {
query, args, err := StructToSlice(query, st)
if err != nil {
return nil, err
}
return tx.Tx.Exec(query, args...)
}
func (tx *Tx) Query(query string, args ...interface{}) (*Rows, error) {
rows, err := tx.Tx.Query(query, args...)
if err != nil {
return nil, err
}
return &Rows{rows, tx.Mapper}, nil
}
func (tx *Tx) QueryMap(query string, mp interface{}) (*Rows, error) {
query, args, err := MapToSlice(query, mp)
if err != nil {
return nil, err
}
return tx.Query(query, args...)
}
func (tx *Tx) QueryStruct(query string, st interface{}) (*Rows, error) {
query, args, err := StructToSlice(query, st)
if err != nil {
return nil, err
}
return tx.Query(query, args...)
}
func (tx *Tx) QueryRow(query string, args ...interface{}) *Row {
rows, err := tx.Query(query, args...)
return &Row{rows, err}
}
func (tx *Tx) QueryRowMap(query string, mp interface{}) *Row {
query, args, err := MapToSlice(query, mp)
if err != nil {
return &Row{nil, err}
}
return tx.QueryRow(query, args...)
}
func (tx *Tx) QueryRowStruct(query string, st interface{}) *Row {
query, args, err := StructToSlice(query, st)
if err != nil {
return &Row{nil, err}
}
return tx.QueryRow(query, args...)
}

310
vendor/github.com/go-xorm/core/dialect.go generated vendored Normal file
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@ -0,0 +1,310 @@
package core
import (
"fmt"
"strings"
"time"
)
type DbType string
type Uri struct {
DbType DbType
Proto string
Host string
Port string
DbName string
User string
Passwd string
Charset string
Laddr string
Raddr string
Timeout time.Duration
Schema string
}
// a dialect is a driver's wrapper
type Dialect interface {
SetLogger(logger ILogger)
Init(*DB, *Uri, string, string) error
URI() *Uri
DB() *DB
DBType() DbType
SqlType(*Column) string
FormatBytes(b []byte) string
DriverName() string
DataSourceName() string
QuoteStr() string
IsReserved(string) bool
Quote(string) string
AndStr() string
OrStr() string
EqStr() string
RollBackStr() string
AutoIncrStr() string
SupportInsertMany() bool
SupportEngine() bool
SupportCharset() bool
SupportDropIfExists() bool
IndexOnTable() bool
ShowCreateNull() bool
IndexCheckSql(tableName, idxName string) (string, []interface{})
TableCheckSql(tableName string) (string, []interface{})
IsColumnExist(tableName string, colName string) (bool, error)
CreateTableSql(table *Table, tableName, storeEngine, charset string) string
DropTableSql(tableName string) string
CreateIndexSql(tableName string, index *Index) string
DropIndexSql(tableName string, index *Index) string
ModifyColumnSql(tableName string, col *Column) string
ForUpdateSql(query string) string
//CreateTableIfNotExists(table *Table, tableName, storeEngine, charset string) error
//MustDropTable(tableName string) error
GetColumns(tableName string) ([]string, map[string]*Column, error)
GetTables() ([]*Table, error)
GetIndexes(tableName string) (map[string]*Index, error)
Filters() []Filter
}
func OpenDialect(dialect Dialect) (*DB, error) {
return Open(dialect.DriverName(), dialect.DataSourceName())
}
type Base struct {
db *DB
dialect Dialect
driverName string
dataSourceName string
logger ILogger
*Uri
}
func (b *Base) DB() *DB {
return b.db
}
func (b *Base) SetLogger(logger ILogger) {
b.logger = logger
}
func (b *Base) Init(db *DB, dialect Dialect, uri *Uri, drivername, dataSourceName string) error {
b.db, b.dialect, b.Uri = db, dialect, uri
b.driverName, b.dataSourceName = drivername, dataSourceName
return nil
}
func (b *Base) URI() *Uri {
return b.Uri
}
func (b *Base) DBType() DbType {
return b.Uri.DbType
}
func (b *Base) FormatBytes(bs []byte) string {
return fmt.Sprintf("0x%x", bs)
}
func (b *Base) DriverName() string {
return b.driverName
}
func (b *Base) ShowCreateNull() bool {
return true
}
func (b *Base) DataSourceName() string {
return b.dataSourceName
}
func (b *Base) AndStr() string {
return "AND"
}
func (b *Base) OrStr() string {
return "OR"
}
func (b *Base) EqStr() string {
return "="
}
func (db *Base) RollBackStr() string {
return "ROLL BACK"
}
func (db *Base) SupportDropIfExists() bool {
return true
}
func (db *Base) DropTableSql(tableName string) string {
return fmt.Sprintf("DROP TABLE IF EXISTS `%s`", tableName)
}
func (db *Base) HasRecords(query string, args ...interface{}) (bool, error) {
db.LogSQL(query, args)
rows, err := db.DB().Query(query, args...)
if err != nil {
return false, err
}
defer rows.Close()
if rows.Next() {
return true, nil
}
return false, nil
}
func (db *Base) IsColumnExist(tableName, colName string) (bool, error) {
query := "SELECT `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `COLUMN_NAME` = ?"
query = strings.Replace(query, "`", db.dialect.QuoteStr(), -1)
return db.HasRecords(query, db.DbName, tableName, colName)
}
/*
func (db *Base) CreateTableIfNotExists(table *Table, tableName, storeEngine, charset string) error {
sql, args := db.dialect.TableCheckSql(tableName)
rows, err := db.DB().Query(sql, args...)
if db.Logger != nil {
db.Logger.Info("[sql]", sql, args)
}
if err != nil {
return err
}
defer rows.Close()
if rows.Next() {
return nil
}
sql = db.dialect.CreateTableSql(table, tableName, storeEngine, charset)
_, err = db.DB().Exec(sql)
if db.Logger != nil {
db.Logger.Info("[sql]", sql)
}
return err
}*/
func (db *Base) CreateIndexSql(tableName string, index *Index) string {
quote := db.dialect.Quote
var unique string
var idxName string
if index.Type == UniqueType {
unique = " UNIQUE"
}
idxName = index.XName(tableName)
return fmt.Sprintf("CREATE%s INDEX %v ON %v (%v)", unique,
quote(idxName), quote(tableName),
quote(strings.Join(index.Cols, quote(","))))
}
func (db *Base) DropIndexSql(tableName string, index *Index) string {
quote := db.dialect.Quote
var name string
if index.IsRegular {
name = index.XName(tableName)
} else {
name = index.Name
}
return fmt.Sprintf("DROP INDEX %v ON %s", quote(name), quote(tableName))
}
func (db *Base) ModifyColumnSql(tableName string, col *Column) string {
return fmt.Sprintf("alter table %s MODIFY COLUMN %s", tableName, col.StringNoPk(db.dialect))
}
func (b *Base) CreateTableSql(table *Table, tableName, storeEngine, charset string) string {
var sql string
sql = "CREATE TABLE IF NOT EXISTS "
if tableName == "" {
tableName = table.Name
}
sql += b.dialect.Quote(tableName)
sql += " ("
if len(table.ColumnsSeq()) > 0 {
pkList := table.PrimaryKeys
for _, colName := range table.ColumnsSeq() {
col := table.GetColumn(colName)
if col.IsPrimaryKey && len(pkList) == 1 {
sql += col.String(b.dialect)
} else {
sql += col.StringNoPk(b.dialect)
}
sql = strings.TrimSpace(sql)
if b.DriverName() == MYSQL && len(col.Comment) > 0 {
sql += " COMMENT '" + col.Comment + "'"
}
sql += ", "
}
if len(pkList) > 1 {
sql += "PRIMARY KEY ( "
sql += b.dialect.Quote(strings.Join(pkList, b.dialect.Quote(",")))
sql += " ), "
}
sql = sql[:len(sql)-2]
}
sql += ")"
if b.dialect.SupportEngine() && storeEngine != "" {
sql += " ENGINE=" + storeEngine
}
if b.dialect.SupportCharset() {
if len(charset) == 0 {
charset = b.dialect.URI().Charset
}
if len(charset) > 0 {
sql += " DEFAULT CHARSET " + charset
}
}
return sql
}
func (b *Base) ForUpdateSql(query string) string {
return query + " FOR UPDATE"
}
func (b *Base) LogSQL(sql string, args []interface{}) {
if b.logger != nil && b.logger.IsShowSQL() {
if len(args) > 0 {
b.logger.Infof("[SQL] %v %v", sql, args)
} else {
b.logger.Infof("[SQL] %v", sql)
}
}
}
var (
dialects = map[string]func() Dialect{}
)
// RegisterDialect register database dialect
func RegisterDialect(dbName DbType, dialectFunc func() Dialect) {
if dialectFunc == nil {
panic("core: Register dialect is nil")
}
dialects[strings.ToLower(string(dbName))] = dialectFunc // !nashtsai! allow override dialect
}
// QueryDialect query if registed database dialect
func QueryDialect(dbName DbType) Dialect {
if d, ok := dialects[strings.ToLower(string(dbName))]; ok {
return d()
}
return nil
}

27
vendor/github.com/go-xorm/core/driver.go generated vendored Normal file
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@ -0,0 +1,27 @@
package core
type Driver interface {
Parse(string, string) (*Uri, error)
}
var (
drivers = map[string]Driver{}
)
func RegisterDriver(driverName string, driver Driver) {
if driver == nil {
panic("core: Register driver is nil")
}
if _, dup := drivers[driverName]; dup {
panic("core: Register called twice for driver " + driverName)
}
drivers[driverName] = driver
}
func QueryDriver(driverName string) Driver {
return drivers[driverName]
}
func RegisteredDriverSize() int {
return len(drivers)
}

8
vendor/github.com/go-xorm/core/error.go generated vendored Normal file
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@ -0,0 +1,8 @@
package core
import "errors"
var (
ErrNoMapPointer = errors.New("mp should be a map's pointer")
ErrNoStructPointer = errors.New("mp should be a struct's pointer")
)

64
vendor/github.com/go-xorm/core/filter.go generated vendored Normal file
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@ -0,0 +1,64 @@
package core
import (
"fmt"
"strings"
)
// Filter is an interface to filter SQL
type Filter interface {
Do(sql string, dialect Dialect, table *Table) string
}
// QuoteFilter filter SQL replace ` to database's own quote character
type QuoteFilter struct {
}
func (s *QuoteFilter) Do(sql string, dialect Dialect, table *Table) string {
return strings.Replace(sql, "`", dialect.QuoteStr(), -1)
}
// IdFilter filter SQL replace (id) to primary key column name
type IdFilter struct {
}
type Quoter struct {
dialect Dialect
}
func NewQuoter(dialect Dialect) *Quoter {
return &Quoter{dialect}
}
func (q *Quoter) Quote(content string) string {
return q.dialect.QuoteStr() + content + q.dialect.QuoteStr()
}
func (i *IdFilter) Do(sql string, dialect Dialect, table *Table) string {
quoter := NewQuoter(dialect)
if table != nil && len(table.PrimaryKeys) == 1 {
sql = strings.Replace(sql, "`(id)`", quoter.Quote(table.PrimaryKeys[0]), -1)
sql = strings.Replace(sql, quoter.Quote("(id)"), quoter.Quote(table.PrimaryKeys[0]), -1)
return strings.Replace(sql, "(id)", quoter.Quote(table.PrimaryKeys[0]), -1)
}
return sql
}
// SeqFilter filter SQL replace ?, ? ... to $1, $2 ...
type SeqFilter struct {
Prefix string
Start int
}
func (s *SeqFilter) Do(sql string, dialect Dialect, table *Table) string {
segs := strings.Split(sql, "?")
size := len(segs)
res := ""
for i, c := range segs {
if i < size-1 {
res += c + fmt.Sprintf("%s%v", s.Prefix, i+s.Start)
}
}
res += segs[size-1]
return res
}

31
vendor/github.com/go-xorm/core/ilogger.go generated vendored Normal file
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@ -0,0 +1,31 @@
package core
type LogLevel int
const (
// !nashtsai! following level also match syslog.Priority value
LOG_DEBUG LogLevel = iota
LOG_INFO
LOG_WARNING
LOG_ERR
LOG_OFF
LOG_UNKNOWN
)
// logger interface
type ILogger interface {
Debug(v ...interface{})
Debugf(format string, v ...interface{})
Error(v ...interface{})
Errorf(format string, v ...interface{})
Info(v ...interface{})
Infof(format string, v ...interface{})
Warn(v ...interface{})
Warnf(format string, v ...interface{})
Level() LogLevel
SetLevel(l LogLevel)
ShowSQL(show ...bool)
IsShowSQL() bool
}

61
vendor/github.com/go-xorm/core/index.go generated vendored Normal file
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@ -0,0 +1,61 @@
package core
import (
"fmt"
"sort"
"strings"
)
const (
IndexType = iota + 1
UniqueType
)
// database index
type Index struct {
IsRegular bool
Name string
Type int
Cols []string
}
func (index *Index) XName(tableName string) string {
if !strings.HasPrefix(index.Name, "UQE_") &&
!strings.HasPrefix(index.Name, "IDX_") {
if index.Type == UniqueType {
return fmt.Sprintf("UQE_%v_%v", tableName, index.Name)
}
return fmt.Sprintf("IDX_%v_%v", tableName, index.Name)
}
return index.Name
}
// add columns which will be composite index
func (index *Index) AddColumn(cols ...string) {
for _, col := range cols {
index.Cols = append(index.Cols, col)
}
}
func (index *Index) Equal(dst *Index) bool {
if index.Type != dst.Type {
return false
}
if len(index.Cols) != len(dst.Cols) {
return false
}
sort.StringSlice(index.Cols).Sort()
sort.StringSlice(dst.Cols).Sort()
for i := 0; i < len(index.Cols); i++ {
if index.Cols[i] != dst.Cols[i] {
return false
}
}
return true
}
// new an index
func NewIndex(name string, indexType int) *Index {
return &Index{true, name, indexType, make([]string, 0)}
}

254
vendor/github.com/go-xorm/core/mapper.go generated vendored Normal file
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package core
import (
"strings"
"sync"
)
// name translation between struct, fields names and table, column names
type IMapper interface {
Obj2Table(string) string
Table2Obj(string) string
}
type CacheMapper struct {
oriMapper IMapper
obj2tableCache map[string]string
obj2tableMutex sync.RWMutex
table2objCache map[string]string
table2objMutex sync.RWMutex
}
func NewCacheMapper(mapper IMapper) *CacheMapper {
return &CacheMapper{oriMapper: mapper, obj2tableCache: make(map[string]string),
table2objCache: make(map[string]string),
}
}
func (m *CacheMapper) Obj2Table(o string) string {
m.obj2tableMutex.RLock()
t, ok := m.obj2tableCache[o]
m.obj2tableMutex.RUnlock()
if ok {
return t
}
t = m.oriMapper.Obj2Table(o)
m.obj2tableMutex.Lock()
m.obj2tableCache[o] = t
m.obj2tableMutex.Unlock()
return t
}
func (m *CacheMapper) Table2Obj(t string) string {
m.table2objMutex.RLock()
o, ok := m.table2objCache[t]
m.table2objMutex.RUnlock()
if ok {
return o
}
o = m.oriMapper.Table2Obj(t)
m.table2objMutex.Lock()
m.table2objCache[t] = o
m.table2objMutex.Unlock()
return o
}
// SameMapper implements IMapper and provides same name between struct and
// database table
type SameMapper struct {
}
func (m SameMapper) Obj2Table(o string) string {
return o
}
func (m SameMapper) Table2Obj(t string) string {
return t
}
// SnakeMapper implements IMapper and provides name transaltion between
// struct and database table
type SnakeMapper struct {
}
func snakeCasedName(name string) string {
newstr := make([]rune, 0)
for idx, chr := range name {
if isUpper := 'A' <= chr && chr <= 'Z'; isUpper {
if idx > 0 {
newstr = append(newstr, '_')
}
chr -= ('A' - 'a')
}
newstr = append(newstr, chr)
}
return string(newstr)
}
func (mapper SnakeMapper) Obj2Table(name string) string {
return snakeCasedName(name)
}
func titleCasedName(name string) string {
newstr := make([]rune, 0)
upNextChar := true
name = strings.ToLower(name)
for _, chr := range name {
switch {
case upNextChar:
upNextChar = false
if 'a' <= chr && chr <= 'z' {
chr -= ('a' - 'A')
}
case chr == '_':
upNextChar = true
continue
}
newstr = append(newstr, chr)
}
return string(newstr)
}
func (mapper SnakeMapper) Table2Obj(name string) string {
return titleCasedName(name)
}
// GonicMapper implements IMapper. It will consider initialisms when mapping names.
// E.g. id -> ID, user -> User and to table names: UserID -> user_id, MyUID -> my_uid
type GonicMapper map[string]bool
func isASCIIUpper(r rune) bool {
return 'A' <= r && r <= 'Z'
}
func toASCIIUpper(r rune) rune {
if 'a' <= r && r <= 'z' {
r -= ('a' - 'A')
}
return r
}
func gonicCasedName(name string) string {
newstr := make([]rune, 0, len(name)+3)
for idx, chr := range name {
if isASCIIUpper(chr) && idx > 0 {
if !isASCIIUpper(newstr[len(newstr)-1]) {
newstr = append(newstr, '_')
}
}
if !isASCIIUpper(chr) && idx > 1 {
l := len(newstr)
if isASCIIUpper(newstr[l-1]) && isASCIIUpper(newstr[l-2]) {
newstr = append(newstr, newstr[l-1])
newstr[l-1] = '_'
}
}
newstr = append(newstr, chr)
}
return strings.ToLower(string(newstr))
}
func (mapper GonicMapper) Obj2Table(name string) string {
return gonicCasedName(name)
}
func (mapper GonicMapper) Table2Obj(name string) string {
newstr := make([]rune, 0)
name = strings.ToLower(name)
parts := strings.Split(name, "_")
for _, p := range parts {
_, isInitialism := mapper[strings.ToUpper(p)]
for i, r := range p {
if i == 0 || isInitialism {
r = toASCIIUpper(r)
}
newstr = append(newstr, r)
}
}
return string(newstr)
}
// A GonicMapper that contains a list of common initialisms taken from golang/lint
var LintGonicMapper = GonicMapper{
"API": true,
"ASCII": true,
"CPU": true,
"CSS": true,
"DNS": true,
"EOF": true,
"GUID": true,
"HTML": true,
"HTTP": true,
"HTTPS": true,
"ID": true,
"IP": true,
"JSON": true,
"LHS": true,
"QPS": true,
"RAM": true,
"RHS": true,
"RPC": true,
"SLA": true,
"SMTP": true,
"SSH": true,
"TLS": true,
"TTL": true,
"UI": true,
"UID": true,
"UUID": true,
"URI": true,
"URL": true,
"UTF8": true,
"VM": true,
"XML": true,
"XSRF": true,
"XSS": true,
}
// provide prefix table name support
type PrefixMapper struct {
Mapper IMapper
Prefix string
}
func (mapper PrefixMapper) Obj2Table(name string) string {
return mapper.Prefix + mapper.Mapper.Obj2Table(name)
}
func (mapper PrefixMapper) Table2Obj(name string) string {
return mapper.Mapper.Table2Obj(name[len(mapper.Prefix):])
}
func NewPrefixMapper(mapper IMapper, prefix string) PrefixMapper {
return PrefixMapper{mapper, prefix}
}
// provide suffix table name support
type SuffixMapper struct {
Mapper IMapper
Suffix string
}
func (mapper SuffixMapper) Obj2Table(name string) string {
return mapper.Mapper.Obj2Table(name) + mapper.Suffix
}
func (mapper SuffixMapper) Table2Obj(name string) string {
return mapper.Mapper.Table2Obj(name[:len(name)-len(mapper.Suffix)])
}
func NewSuffixMapper(mapper IMapper, suffix string) SuffixMapper {
return SuffixMapper{mapper, suffix}
}

26
vendor/github.com/go-xorm/core/pk.go generated vendored Normal file
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package core
import (
"bytes"
"encoding/gob"
)
type PK []interface{}
func NewPK(pks ...interface{}) *PK {
p := PK(pks)
return &p
}
func (p *PK) ToString() (string, error) {
buf := new(bytes.Buffer)
enc := gob.NewEncoder(buf)
err := enc.Encode(*p)
return buf.String(), err
}
func (p *PK) FromString(content string) error {
dec := gob.NewDecoder(bytes.NewBufferString(content))
err := dec.Decode(p)
return err
}

392
vendor/github.com/go-xorm/core/rows.go generated vendored Normal file
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package core
import (
"database/sql"
"errors"
"reflect"
"sync"
)
type Rows struct {
*sql.Rows
Mapper IMapper
}
func (rs *Rows) ToMapString() ([]map[string]string, error) {
cols, err := rs.Columns()
if err != nil {
return nil, err
}
var results = make([]map[string]string, 0, 10)
for rs.Next() {
var record = make(map[string]string, len(cols))
err = rs.ScanMap(&record)
if err != nil {
return nil, err
}
results = append(results, record)
}
return results, nil
}
// scan data to a struct's pointer according field index
func (rs *Rows) ScanStructByIndex(dest ...interface{}) error {
if len(dest) == 0 {
return errors.New("at least one struct")
}
vvvs := make([]reflect.Value, len(dest))
for i, s := range dest {
vv := reflect.ValueOf(s)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
return errors.New("dest should be a struct's pointer")
}
vvvs[i] = vv.Elem()
}
cols, err := rs.Columns()
if err != nil {
return err
}
newDest := make([]interface{}, len(cols))
var i = 0
for _, vvv := range vvvs {
for j := 0; j < vvv.NumField(); j++ {
newDest[i] = vvv.Field(j).Addr().Interface()
i = i + 1
}
}
return rs.Rows.Scan(newDest...)
}
var (
fieldCache = make(map[reflect.Type]map[string]int)
fieldCacheMutex sync.RWMutex
)
func fieldByName(v reflect.Value, name string) reflect.Value {
t := v.Type()
fieldCacheMutex.RLock()
cache, ok := fieldCache[t]
fieldCacheMutex.RUnlock()
if !ok {
cache = make(map[string]int)
for i := 0; i < v.NumField(); i++ {
cache[t.Field(i).Name] = i
}
fieldCacheMutex.Lock()
fieldCache[t] = cache
fieldCacheMutex.Unlock()
}
if i, ok := cache[name]; ok {
return v.Field(i)
}
return reflect.Zero(t)
}
// scan data to a struct's pointer according field name
func (rs *Rows) ScanStructByName(dest interface{}) error {
vv := reflect.ValueOf(dest)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
return errors.New("dest should be a struct's pointer")
}
cols, err := rs.Columns()
if err != nil {
return err
}
newDest := make([]interface{}, len(cols))
var v EmptyScanner
for j, name := range cols {
f := fieldByName(vv.Elem(), rs.Mapper.Table2Obj(name))
if f.IsValid() {
newDest[j] = f.Addr().Interface()
} else {
newDest[j] = &v
}
}
return rs.Rows.Scan(newDest...)
}
type cacheStruct struct {
value reflect.Value
idx int
}
var (
reflectCache = make(map[reflect.Type]*cacheStruct)
reflectCacheMutex sync.RWMutex
)
func ReflectNew(typ reflect.Type) reflect.Value {
reflectCacheMutex.RLock()
cs, ok := reflectCache[typ]
reflectCacheMutex.RUnlock()
const newSize = 200
if !ok || cs.idx+1 > newSize-1 {
cs = &cacheStruct{reflect.MakeSlice(reflect.SliceOf(typ), newSize, newSize), 0}
reflectCacheMutex.Lock()
reflectCache[typ] = cs
reflectCacheMutex.Unlock()
} else {
reflectCacheMutex.Lock()
cs.idx = cs.idx + 1
reflectCacheMutex.Unlock()
}
return cs.value.Index(cs.idx).Addr()
}
// scan data to a slice's pointer, slice's length should equal to columns' number
func (rs *Rows) ScanSlice(dest interface{}) error {
vv := reflect.ValueOf(dest)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Slice {
return errors.New("dest should be a slice's pointer")
}
vvv := vv.Elem()
cols, err := rs.Columns()
if err != nil {
return err
}
newDest := make([]interface{}, len(cols))
for j := 0; j < len(cols); j++ {
if j >= vvv.Len() {
newDest[j] = reflect.New(vvv.Type().Elem()).Interface()
} else {
newDest[j] = vvv.Index(j).Addr().Interface()
}
}
err = rs.Rows.Scan(newDest...)
if err != nil {
return err
}
srcLen := vvv.Len()
for i := srcLen; i < len(cols); i++ {
vvv = reflect.Append(vvv, reflect.ValueOf(newDest[i]).Elem())
}
return nil
}
// scan data to a map's pointer
func (rs *Rows) ScanMap(dest interface{}) error {
vv := reflect.ValueOf(dest)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
return errors.New("dest should be a map's pointer")
}
cols, err := rs.Columns()
if err != nil {
return err
}
newDest := make([]interface{}, len(cols))
vvv := vv.Elem()
for i, _ := range cols {
newDest[i] = ReflectNew(vvv.Type().Elem()).Interface()
//v := reflect.New(vvv.Type().Elem())
//newDest[i] = v.Interface()
}
err = rs.Rows.Scan(newDest...)
if err != nil {
return err
}
for i, name := range cols {
vname := reflect.ValueOf(name)
vvv.SetMapIndex(vname, reflect.ValueOf(newDest[i]).Elem())
}
return nil
}
/*func (rs *Rows) ScanMap(dest interface{}) error {
vv := reflect.ValueOf(dest)
if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
return errors.New("dest should be a map's pointer")
}
cols, err := rs.Columns()
if err != nil {
return err
}
newDest := make([]interface{}, len(cols))
err = rs.ScanSlice(newDest)
if err != nil {
return err
}
vvv := vv.Elem()
for i, name := range cols {
vname := reflect.ValueOf(name)
vvv.SetMapIndex(vname, reflect.ValueOf(newDest[i]).Elem())
}
return nil
}*/
type Row struct {
rows *Rows
// One of these two will be non-nil:
err error // deferred error for easy chaining
}
// ErrorRow return an error row
func ErrorRow(err error) *Row {
return &Row{
err: err,
}
}
// NewRow from rows
func NewRow(rows *Rows, err error) *Row {
return &Row{rows, err}
}
func (row *Row) Columns() ([]string, error) {
if row.err != nil {
return nil, row.err
}
return row.rows.Columns()
}
func (row *Row) Scan(dest ...interface{}) error {
if row.err != nil {
return row.err
}
defer row.rows.Close()
for _, dp := range dest {
if _, ok := dp.(*sql.RawBytes); ok {
return errors.New("sql: RawBytes isn't allowed on Row.Scan")
}
}
if !row.rows.Next() {
if err := row.rows.Err(); err != nil {
return err
}
return sql.ErrNoRows
}
err := row.rows.Scan(dest...)
if err != nil {
return err
}
// Make sure the query can be processed to completion with no errors.
return row.rows.Close()
}
func (row *Row) ScanStructByName(dest interface{}) error {
if row.err != nil {
return row.err
}
defer row.rows.Close()
if !row.rows.Next() {
if err := row.rows.Err(); err != nil {
return err
}
return sql.ErrNoRows
}
err := row.rows.ScanStructByName(dest)
if err != nil {
return err
}
// Make sure the query can be processed to completion with no errors.
return row.rows.Close()
}
func (row *Row) ScanStructByIndex(dest interface{}) error {
if row.err != nil {
return row.err
}
defer row.rows.Close()
if !row.rows.Next() {
if err := row.rows.Err(); err != nil {
return err
}
return sql.ErrNoRows
}
err := row.rows.ScanStructByIndex(dest)
if err != nil {
return err
}
// Make sure the query can be processed to completion with no errors.
return row.rows.Close()
}
// scan data to a slice's pointer, slice's length should equal to columns' number
func (row *Row) ScanSlice(dest interface{}) error {
if row.err != nil {
return row.err
}
defer row.rows.Close()
if !row.rows.Next() {
if err := row.rows.Err(); err != nil {
return err
}
return sql.ErrNoRows
}
err := row.rows.ScanSlice(dest)
if err != nil {
return err
}
// Make sure the query can be processed to completion with no errors.
return row.rows.Close()
}
// scan data to a map's pointer
func (row *Row) ScanMap(dest interface{}) error {
if row.err != nil {
return row.err
}
defer row.rows.Close()
if !row.rows.Next() {
if err := row.rows.Err(); err != nil {
return err
}
return sql.ErrNoRows
}
err := row.rows.ScanMap(dest)
if err != nil {
return err
}
// Make sure the query can be processed to completion with no errors.
return row.rows.Close()
}
func (row *Row) ToMapString() (map[string]string, error) {
cols, err := row.Columns()
if err != nil {
return nil, err
}
var record = make(map[string]string, len(cols))
err = row.ScanMap(&record)
if err != nil {
return nil, err
}
return record, nil
}

52
vendor/github.com/go-xorm/core/scan.go generated vendored Normal file
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package core
import (
"database/sql/driver"
"fmt"
"time"
)
type NullTime time.Time
var (
_ driver.Valuer = NullTime{}
)
func (ns *NullTime) Scan(value interface{}) error {
if value == nil {
return nil
}
return convertTime(ns, value)
}
// Value implements the driver Valuer interface.
func (ns NullTime) Value() (driver.Value, error) {
if (time.Time)(ns).IsZero() {
return nil, nil
}
return (time.Time)(ns).Format("2006-01-02 15:04:05"), nil
}
func convertTime(dest *NullTime, src interface{}) error {
// Common cases, without reflect.
switch s := src.(type) {
case string:
t, err := time.Parse("2006-01-02 15:04:05", s)
if err != nil {
return err
}
*dest = NullTime(t)
return nil
case []uint8:
t, err := time.Parse("2006-01-02 15:04:05", string(s))
if err != nil {
return err
}
*dest = NullTime(t)
return nil
case nil:
default:
return fmt.Errorf("unsupported driver -> Scan pair: %T -> %T", src, dest)
}
return nil
}

152
vendor/github.com/go-xorm/core/table.go generated vendored Normal file
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package core
import (
"reflect"
"strings"
)
// database table
type Table struct {
Name string
Type reflect.Type
columnsSeq []string
columnsMap map[string][]*Column
columns []*Column
Indexes map[string]*Index
PrimaryKeys []string
AutoIncrement string
Created map[string]bool
Updated string
Deleted string
Version string
Cacher Cacher
StoreEngine string
Charset string
Comment string
}
func (table *Table) Columns() []*Column {
return table.columns
}
func (table *Table) ColumnsSeq() []string {
return table.columnsSeq
}
func NewEmptyTable() *Table {
return NewTable("", nil)
}
func NewTable(name string, t reflect.Type) *Table {
return &Table{Name: name, Type: t,
columnsSeq: make([]string, 0),
columns: make([]*Column, 0),
columnsMap: make(map[string][]*Column),
Indexes: make(map[string]*Index),
Created: make(map[string]bool),
PrimaryKeys: make([]string, 0),
}
}
func (table *Table) columnsByName(name string) []*Column {
n := len(name)
for k := range table.columnsMap {
if len(k) != n {
continue
}
if strings.EqualFold(k, name) {
return table.columnsMap[k]
}
}
return nil
}
func (table *Table) GetColumn(name string) *Column {
cols := table.columnsByName(name)
if cols != nil {
return cols[0]
}
return nil
}
func (table *Table) GetColumnIdx(name string, idx int) *Column {
cols := table.columnsByName(name)
if cols != nil && idx < len(cols) {
return cols[idx]
}
return nil
}
// if has primary key, return column
func (table *Table) PKColumns() []*Column {
columns := make([]*Column, len(table.PrimaryKeys))
for i, name := range table.PrimaryKeys {
columns[i] = table.GetColumn(name)
}
return columns
}
func (table *Table) ColumnType(name string) reflect.Type {
t, _ := table.Type.FieldByName(name)
return t.Type
}
func (table *Table) AutoIncrColumn() *Column {
return table.GetColumn(table.AutoIncrement)
}
func (table *Table) VersionColumn() *Column {
return table.GetColumn(table.Version)
}
func (table *Table) UpdatedColumn() *Column {
return table.GetColumn(table.Updated)
}
func (table *Table) DeletedColumn() *Column {
return table.GetColumn(table.Deleted)
}
// add a column to table
func (table *Table) AddColumn(col *Column) {
table.columnsSeq = append(table.columnsSeq, col.Name)
table.columns = append(table.columns, col)
colName := strings.ToLower(col.Name)
if c, ok := table.columnsMap[colName]; ok {
table.columnsMap[colName] = append(c, col)
} else {
table.columnsMap[colName] = []*Column{col}
}
if col.IsPrimaryKey {
table.PrimaryKeys = append(table.PrimaryKeys, col.Name)
}
if col.IsAutoIncrement {
table.AutoIncrement = col.Name
}
if col.IsCreated {
table.Created[col.Name] = true
}
if col.IsUpdated {
table.Updated = col.Name
}
if col.IsDeleted {
table.Deleted = col.Name
}
if col.IsVersion {
table.Version = col.Name
}
}
// add an index or an unique to table
func (table *Table) AddIndex(index *Index) {
table.Indexes[index.Name] = index
}

305
vendor/github.com/go-xorm/core/type.go generated vendored Normal file
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package core
import (
"reflect"
"sort"
"strings"
"time"
)
const (
POSTGRES = "postgres"
SQLITE = "sqlite3"
MYSQL = "mysql"
MSSQL = "mssql"
ORACLE = "oracle"
)
// xorm SQL types
type SQLType struct {
Name string
DefaultLength int
DefaultLength2 int
}
const (
UNKNOW_TYPE = iota
TEXT_TYPE
BLOB_TYPE
TIME_TYPE
NUMERIC_TYPE
)
func (s *SQLType) IsType(st int) bool {
if t, ok := SqlTypes[s.Name]; ok && t == st {
return true
}
return false
}
func (s *SQLType) IsText() bool {
return s.IsType(TEXT_TYPE)
}
func (s *SQLType) IsBlob() bool {
return s.IsType(BLOB_TYPE)
}
func (s *SQLType) IsTime() bool {
return s.IsType(TIME_TYPE)
}
func (s *SQLType) IsNumeric() bool {
return s.IsType(NUMERIC_TYPE)
}
func (s *SQLType) IsJson() bool {
return s.Name == Json || s.Name == Jsonb
}
var (
Bit = "BIT"
TinyInt = "TINYINT"
SmallInt = "SMALLINT"
MediumInt = "MEDIUMINT"
Int = "INT"
Integer = "INTEGER"
BigInt = "BIGINT"
Enum = "ENUM"
Set = "SET"
Char = "CHAR"
Varchar = "VARCHAR"
NVarchar = "NVARCHAR"
TinyText = "TINYTEXT"
Text = "TEXT"
Clob = "CLOB"
MediumText = "MEDIUMTEXT"
LongText = "LONGTEXT"
Uuid = "UUID"
Date = "DATE"
DateTime = "DATETIME"
Time = "TIME"
TimeStamp = "TIMESTAMP"
TimeStampz = "TIMESTAMPZ"
Decimal = "DECIMAL"
Numeric = "NUMERIC"
Real = "REAL"
Float = "FLOAT"
Double = "DOUBLE"
Binary = "BINARY"
VarBinary = "VARBINARY"
TinyBlob = "TINYBLOB"
Blob = "BLOB"
MediumBlob = "MEDIUMBLOB"
LongBlob = "LONGBLOB"
Bytea = "BYTEA"
Bool = "BOOL"
Boolean = "BOOLEAN"
Serial = "SERIAL"
BigSerial = "BIGSERIAL"
Json = "JSON"
Jsonb = "JSONB"
SqlTypes = map[string]int{
Bit: NUMERIC_TYPE,
TinyInt: NUMERIC_TYPE,
SmallInt: NUMERIC_TYPE,
MediumInt: NUMERIC_TYPE,
Int: NUMERIC_TYPE,
Integer: NUMERIC_TYPE,
BigInt: NUMERIC_TYPE,
Enum: TEXT_TYPE,
Set: TEXT_TYPE,
Json: TEXT_TYPE,
Jsonb: TEXT_TYPE,
Char: TEXT_TYPE,
Varchar: TEXT_TYPE,
NVarchar: TEXT_TYPE,
TinyText: TEXT_TYPE,
Text: TEXT_TYPE,
MediumText: TEXT_TYPE,
LongText: TEXT_TYPE,
Uuid: TEXT_TYPE,
Clob: TEXT_TYPE,
Date: TIME_TYPE,
DateTime: TIME_TYPE,
Time: TIME_TYPE,
TimeStamp: TIME_TYPE,
TimeStampz: TIME_TYPE,
Decimal: NUMERIC_TYPE,
Numeric: NUMERIC_TYPE,
Real: NUMERIC_TYPE,
Float: NUMERIC_TYPE,
Double: NUMERIC_TYPE,
Binary: BLOB_TYPE,
VarBinary: BLOB_TYPE,
TinyBlob: BLOB_TYPE,
Blob: BLOB_TYPE,
MediumBlob: BLOB_TYPE,
LongBlob: BLOB_TYPE,
Bytea: BLOB_TYPE,
Bool: NUMERIC_TYPE,
Serial: NUMERIC_TYPE,
BigSerial: NUMERIC_TYPE,
}
intTypes = sort.StringSlice{"*int", "*int16", "*int32", "*int8"}
uintTypes = sort.StringSlice{"*uint", "*uint16", "*uint32", "*uint8"}
)
// !nashtsai! treat following var as interal const values, these are used for reflect.TypeOf comparison
var (
c_EMPTY_STRING string
c_BOOL_DEFAULT bool
c_BYTE_DEFAULT byte
c_COMPLEX64_DEFAULT complex64
c_COMPLEX128_DEFAULT complex128
c_FLOAT32_DEFAULT float32
c_FLOAT64_DEFAULT float64
c_INT64_DEFAULT int64
c_UINT64_DEFAULT uint64
c_INT32_DEFAULT int32
c_UINT32_DEFAULT uint32
c_INT16_DEFAULT int16
c_UINT16_DEFAULT uint16
c_INT8_DEFAULT int8
c_UINT8_DEFAULT uint8
c_INT_DEFAULT int
c_UINT_DEFAULT uint
c_TIME_DEFAULT time.Time
)
var (
IntType = reflect.TypeOf(c_INT_DEFAULT)
Int8Type = reflect.TypeOf(c_INT8_DEFAULT)
Int16Type = reflect.TypeOf(c_INT16_DEFAULT)
Int32Type = reflect.TypeOf(c_INT32_DEFAULT)
Int64Type = reflect.TypeOf(c_INT64_DEFAULT)
UintType = reflect.TypeOf(c_UINT_DEFAULT)
Uint8Type = reflect.TypeOf(c_UINT8_DEFAULT)
Uint16Type = reflect.TypeOf(c_UINT16_DEFAULT)
Uint32Type = reflect.TypeOf(c_UINT32_DEFAULT)
Uint64Type = reflect.TypeOf(c_UINT64_DEFAULT)
Float32Type = reflect.TypeOf(c_FLOAT32_DEFAULT)
Float64Type = reflect.TypeOf(c_FLOAT64_DEFAULT)
Complex64Type = reflect.TypeOf(c_COMPLEX64_DEFAULT)
Complex128Type = reflect.TypeOf(c_COMPLEX128_DEFAULT)
StringType = reflect.TypeOf(c_EMPTY_STRING)
BoolType = reflect.TypeOf(c_BOOL_DEFAULT)
ByteType = reflect.TypeOf(c_BYTE_DEFAULT)
BytesType = reflect.SliceOf(ByteType)
TimeType = reflect.TypeOf(c_TIME_DEFAULT)
)
var (
PtrIntType = reflect.PtrTo(IntType)
PtrInt8Type = reflect.PtrTo(Int8Type)
PtrInt16Type = reflect.PtrTo(Int16Type)
PtrInt32Type = reflect.PtrTo(Int32Type)
PtrInt64Type = reflect.PtrTo(Int64Type)
PtrUintType = reflect.PtrTo(UintType)
PtrUint8Type = reflect.PtrTo(Uint8Type)
PtrUint16Type = reflect.PtrTo(Uint16Type)
PtrUint32Type = reflect.PtrTo(Uint32Type)
PtrUint64Type = reflect.PtrTo(Uint64Type)
PtrFloat32Type = reflect.PtrTo(Float32Type)
PtrFloat64Type = reflect.PtrTo(Float64Type)
PtrComplex64Type = reflect.PtrTo(Complex64Type)
PtrComplex128Type = reflect.PtrTo(Complex128Type)
PtrStringType = reflect.PtrTo(StringType)
PtrBoolType = reflect.PtrTo(BoolType)
PtrByteType = reflect.PtrTo(ByteType)
PtrTimeType = reflect.PtrTo(TimeType)
)
// Type2SQLType generate SQLType acorrding Go's type
func Type2SQLType(t reflect.Type) (st SQLType) {
switch k := t.Kind(); k {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32:
st = SQLType{Int, 0, 0}
case reflect.Int64, reflect.Uint64:
st = SQLType{BigInt, 0, 0}
case reflect.Float32:
st = SQLType{Float, 0, 0}
case reflect.Float64:
st = SQLType{Double, 0, 0}
case reflect.Complex64, reflect.Complex128:
st = SQLType{Varchar, 64, 0}
case reflect.Array, reflect.Slice, reflect.Map:
if t.Elem() == reflect.TypeOf(c_BYTE_DEFAULT) {
st = SQLType{Blob, 0, 0}
} else {
st = SQLType{Text, 0, 0}
}
case reflect.Bool:
st = SQLType{Bool, 0, 0}
case reflect.String:
st = SQLType{Varchar, 255, 0}
case reflect.Struct:
if t.ConvertibleTo(TimeType) {
st = SQLType{DateTime, 0, 0}
} else {
// TODO need to handle association struct
st = SQLType{Text, 0, 0}
}
case reflect.Ptr:
st = Type2SQLType(t.Elem())
default:
st = SQLType{Text, 0, 0}
}
return
}
// default sql type change to go types
func SQLType2Type(st SQLType) reflect.Type {
name := strings.ToUpper(st.Name)
switch name {
case Bit, TinyInt, SmallInt, MediumInt, Int, Integer, Serial:
return reflect.TypeOf(1)
case BigInt, BigSerial:
return reflect.TypeOf(int64(1))
case Float, Real:
return reflect.TypeOf(float32(1))
case Double:
return reflect.TypeOf(float64(1))
case Char, Varchar, NVarchar, TinyText, Text, MediumText, LongText, Enum, Set, Uuid, Clob:
return reflect.TypeOf("")
case TinyBlob, Blob, LongBlob, Bytea, Binary, MediumBlob, VarBinary:
return reflect.TypeOf([]byte{})
case Bool:
return reflect.TypeOf(true)
case DateTime, Date, Time, TimeStamp, TimeStampz:
return reflect.TypeOf(c_TIME_DEFAULT)
case Decimal, Numeric:
return reflect.TypeOf("")
default:
return reflect.TypeOf("")
}
}

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## Contributing to xorm
`xorm` has a backlog of [pull requests](https://help.github.com/articles/using-pull-requests), but contributions are still very
much welcome. You can help with patch review, submitting bug reports,
or adding new functionality. There is no formal style guide, but
please conform to the style of existing code and general Go formatting
conventions when submitting patches.
* [fork a repo](https://help.github.com/articles/fork-a-repo)
* [creating a pull request ](https://help.github.com/articles/creating-a-pull-request)
### Language
Since `xorm` is a world-wide open source project, please describe your issues or code changes in English as soon as possible.
### Sign your codes with comments
```
// !<you github id>! your comments
e.g.,
// !lunny! this is comments made by lunny
```
### Patch review
Help review existing open [pull requests](https://help.github.com/articles/using-pull-requests) by commenting on the code or
proposed functionality.
### Bug reports
We appreciate any bug reports, but especially ones with self-contained
(doesn't depend on code outside of xorm), minimal (can't be simplified
further) test cases. It's especially helpful if you can submit a pull
request with just the failing test case (you'll probably want to
pattern it after the tests in
[base.go](https://github.com/go-xorm/tests/blob/master/base.go) AND
[benchmark.go](https://github.com/go-xorm/tests/blob/master/benchmark.go).
If you implements a new database interface, you maybe need to add a <databasename>_test.go file.
For example, [mysql_test.go](https://github.com/go-xorm/tests/blob/master/mysql/mysql_test.go)
### New functionality
There are a number of pending patches for new functionality, so
additional feature patches will take a while to merge. Still, patches
are generally reviewed based on usefulness and complexity in addition
to time-in-queue, so if you have a knockout idea, take a shot. Feel
free to open an issue discussion your proposed patch beforehand.

27
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@ -0,0 +1,27 @@
Copyright (c) 2013 - 2015 The Xorm Authors
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the {organization} nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

315
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[中文](https://github.com/go-xorm/xorm/blob/master/README_CN.md)
Xorm is a simple and powerful ORM for Go.
[![CircleCI](https://circleci.com/gh/go-xorm/xorm.svg?style=shield)](https://circleci.com/gh/go-xorm/xorm) [![codecov](https://codecov.io/gh/go-xorm/xorm/branch/master/graph/badge.svg)](https://codecov.io/gh/go-xorm/xorm)
[![](https://goreportcard.com/badge/github.com/go-xorm/xorm)](https://goreportcard.com/report/github.com/go-xorm/xorm)
[![Join the chat at https://img.shields.io/discord/323460943201959939.svg](https://img.shields.io/discord/323460943201959939.svg)](https://discord.gg/HuR2CF3)
# Features
* Struct <-> Table Mapping Support
* Chainable APIs
* Transaction Support
* Both ORM and raw SQL operation Support
* Sync database schema Support
* Query Cache speed up
* Database Reverse support, See [Xorm Tool README](https://github.com/go-xorm/cmd/blob/master/README.md)
* Simple cascade loading support
* Optimistic Locking support
* SQL Builder support via [github.com/go-xorm/builder](https://github.com/go-xorm/builder)
# Drivers Support
Drivers for Go's sql package which currently support database/sql includes:
* Mysql: [github.com/go-sql-driver/mysql](https://github.com/go-sql-driver/mysql)
* MyMysql: [github.com/ziutek/mymysql/godrv](https://github.com/ziutek/mymysql/tree/master/godrv)
* Postgres: [github.com/lib/pq](https://github.com/lib/pq)
* Tidb: [github.com/pingcap/tidb](https://github.com/pingcap/tidb)
* SQLite: [github.com/mattn/go-sqlite3](https://github.com/mattn/go-sqlite3)
* MsSql: [github.com/denisenkom/go-mssqldb](https://github.com/denisenkom/go-mssqldb)
* Oracle: [github.com/mattn/go-oci8](https://github.com/mattn/go-oci8) (experiment)
# Changelog
* **v0.6.3**
* merge tests to main project
* add `Exist` function
* add `SumInt` function
* Mysql now support read and create column comment.
* fix time related bugs.
* fix some other bugs.
* **v0.6.2**
* refactor tag parse methods
* add Scan features to Get
* add QueryString method
* **v0.6.0**
* remove support for ql
* add query condition builder support via [github.com/go-xorm/builder](https://github.com/go-xorm/builder), so `Where`, `And`, `Or`
methods can use `builder.Cond` as parameter
* add Sum, SumInt, SumInt64 and NotIn methods
* some bugs fixed
[More changes ...](https://github.com/go-xorm/manual-en-US/tree/master/chapter-16)
# Installation
go get github.com/go-xorm/xorm
# Documents
* [Manual](http://xorm.io/docs)
* [GoDoc](http://godoc.org/github.com/go-xorm/xorm)
* [GoWalker](http://gowalker.org/github.com/go-xorm/xorm)
# Quick Start
* Create Engine
```Go
engine, err := xorm.NewEngine(driverName, dataSourceName)
```
* Define a struct and Sync2 table struct to database
```Go
type User struct {
Id int64
Name string
Salt string
Age int
Passwd string `xorm:"varchar(200)"`
Created time.Time `xorm:"created"`
Updated time.Time `xorm:"updated"`
}
err := engine.Sync2(new(User))
```
* `Query` runs a SQL string, the returned results is `[]map[string][]byte`, `QueryString` returns `[]map[string]string`.
```Go
results, err := engine.Query("select * from user")
results, err := engine.QueryString("select * from user")
```
* `Execute` runs a SQL string, it returns `affected` and `error`
```Go
affected, err := engine.Exec("update user set age = ? where name = ?", age, name)
```
* `Insert` one or multiple records to database
```Go
affected, err := engine.Insert(&user)
// INSERT INTO struct () values ()
affected, err := engine.Insert(&user1, &user2)
// INSERT INTO struct1 () values ()
// INSERT INTO struct2 () values ()
affected, err := engine.Insert(&users)
// INSERT INTO struct () values (),(),()
affected, err := engine.Insert(&user1, &users)
// INSERT INTO struct1 () values ()
// INSERT INTO struct2 () values (),(),()
```
* Query one record from database
```Go
has, err := engine.Get(&user)
// SELECT * FROM user LIMIT 1
has, err := engine.Where("name = ?", name).Desc("id").Get(&user)
// SELECT * FROM user WHERE name = ? ORDER BY id DESC LIMIT 1
var name string
has, err := engine.Where("id = ?", id).Cols("name").Get(&name)
// SELECT name FROM user WHERE id = ?
var id int64
has, err := engine.Where("name = ?", name).Cols("id").Get(&id)
// SELECT id FROM user WHERE name = ?
var valuesMap = make(map[string]string)
has, err := engine.Where("id = ?", id).Get(&valuesMap)
// SELECT * FROM user WHERE id = ?
var valuesSlice = make([]interface{}, len(cols))
has, err := engine.Where("id = ?", id).Cols(cols...).Get(&valuesSlice)
// SELECT col1, col2, col3 FROM user WHERE id = ?
```
* Check if one record exist on table
```Go
has, err := testEngine.Exist(new(RecordExist))
// SELECT * FROM record_exist LIMIT 1
has, err = testEngine.Exist(&RecordExist{
Name: "test1",
})
// SELECT * FROM record_exist WHERE name = ? LIMIT 1
has, err = testEngine.Where("name = ?", "test1").Exist(&RecordExist{})
// SELECT * FROM record_exist WHERE name = ? LIMIT 1
has, err = testEngine.SQL("select * from record_exist where name = ?", "test1").Exist()
// select * from record_exist where name = ?
has, err = testEngine.Table("record_exist").Exist()
// SELECT * FROM record_exist LIMIT 1
has, err = testEngine.Table("record_exist").Where("name = ?", "test1").Exist()
// SELECT * FROM record_exist WHERE name = ? LIMIT 1
```
* Query multiple records from database, also you can use join and extends
```Go
var users []User
err := engine.Where("name = ?", name).And("age > 10").Limit(10, 0).Find(&users)
// SELECT * FROM user WHERE name = ? AND age > 10 limit 0 offset 10
type Detail struct {
Id int64
UserId int64 `xorm:"index"`
}
type UserDetail struct {
User `xorm:"extends"`
Detail `xorm:"extends"`
}
var users []UserDetail
err := engine.Table("user").Select("user.*, detail.*")
Join("INNER", "detail", "detail.user_id = user.id").
Where("user.name = ?", name).Limit(10, 0).
Find(&users)
// SELECT user.*, detail.* FROM user INNER JOIN detail WHERE user.name = ? limit 0 offset 10
```
* Query multiple records and record by record handle, there are two methods Iterate and Rows
```Go
err := engine.Iterate(&User{Name:name}, func(idx int, bean interface{}) error {
user := bean.(*User)
return nil
})
// SELECT * FROM user
rows, err := engine.Rows(&User{Name:name})
// SELECT * FROM user
defer rows.Close()
bean := new(Struct)
for rows.Next() {
err = rows.Scan(bean)
}
```
* Update one or more records, default will update non-empty and non-zero fields except when you use Cols, AllCols and so on.
```Go
affected, err := engine.Id(1).Update(&user)
// UPDATE user SET ... Where id = ?
affected, err := engine.Update(&user, &User{Name:name})
// UPDATE user SET ... Where name = ?
var ids = []int64{1, 2, 3}
affected, err := engine.In("id", ids).Update(&user)
// UPDATE user SET ... Where id IN (?, ?, ?)
// force update indicated columns by Cols
affected, err := engine.Id(1).Cols("age").Update(&User{Name:name, Age: 12})
// UPDATE user SET age = ?, updated=? Where id = ?
// force NOT update indicated columns by Omit
affected, err := engine.Id(1).Omit("name").Update(&User{Name:name, Age: 12})
// UPDATE user SET age = ?, updated=? Where id = ?
affected, err := engine.Id(1).AllCols().Update(&user)
// UPDATE user SET name=?,age=?,salt=?,passwd=?,updated=? Where id = ?
```
* Delete one or more records, Delete MUST have condition
```Go
affected, err := engine.Where(...).Delete(&user)
// DELETE FROM user Where ...
affected, err := engine.Id(2).Delete(&user)
```
* Count records
```Go
counts, err := engine.Count(&user)
// SELECT count(*) AS total FROM user
```
* Query conditions builder
```Go
err := engine.Where(builder.NotIn("a", 1, 2).And(builder.In("b", "c", "d", "e"))).Find(&users)
// SELECT id, name ... FROM user WHERE a NOT IN (?, ?) AND b IN (?, ?, ?)
```
# Cases
* [studygolang](http://studygolang.com/) - [github.com/studygolang/studygolang](https://github.com/studygolang/studygolang)
* [Gitea](http://gitea.io) - [github.com/go-gitea/gitea](http://github.com/go-gitea/gitea)
* [Gogs](http://try.gogits.org) - [github.com/gogits/gogs](http://github.com/gogits/gogs)
* [grafana](https://grafana.com/) - [github.com/grafana/grafana](http://github.com/grafana/grafana)
* [github.com/m3ng9i/qreader](https://github.com/m3ng9i/qreader)
* [Wego](http://github.com/go-tango/wego)
* [Docker.cn](https://docker.cn/)
* [Xorm Adapter](https://github.com/casbin/xorm-adapter) for [Casbin](https://github.com/casbin/casbin) - [github.com/casbin/xorm-adapter](https://github.com/casbin/xorm-adapter)
* [Gorevel](http://gorevel.cn/) - [github.com/goofcc/gorevel](http://github.com/goofcc/gorevel)
* [Gowalker](http://gowalker.org) - [github.com/Unknwon/gowalker](http://github.com/Unknwon/gowalker)
* [Gobuild.io](http://gobuild.io) - [github.com/shxsun/gobuild](http://github.com/shxsun/gobuild)
* [Sudo China](http://sudochina.com) - [github.com/insionng/toropress](http://github.com/insionng/toropress)
* [Godaily](http://godaily.org) - [github.com/govc/godaily](http://github.com/govc/godaily)
* [YouGam](http://www.yougam.com/)
* [GoCMS - github.com/zzboy/GoCMS](https://github.com/zzdboy/GoCMS)
* [GoBBS - gobbs.domolo.com](http://gobbs.domolo.com/)
* [go-blog](http://wangcheng.me) - [github.com/easykoo/go-blog](https://github.com/easykoo/go-blog)
# Discuss
Please visit [Xorm on Google Groups](https://groups.google.com/forum/#!forum/xorm)
# Contributing
If you want to pull request, please see [CONTRIBUTING](https://github.com/go-xorm/xorm/blob/master/CONTRIBUTING.md)
# LICENSE
BSD License
[http://creativecommons.org/licenses/BSD/](http://creativecommons.org/licenses/BSD/)

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# xorm
[English](https://github.com/go-xorm/xorm/blob/master/README.md)
xorm是一个简单而强大的Go语言ORM库. 通过它可以使数据库操作非常简便。
[![CircleCI](https://circleci.com/gh/go-xorm/xorm.svg?style=shield)](https://circleci.com/gh/go-xorm/xorm) [![codecov](https://codecov.io/gh/go-xorm/xorm/branch/master/graph/badge.svg)](https://codecov.io/gh/go-xorm/xorm)
[![](https://goreportcard.com/badge/github.com/go-xorm/xorm)](https://goreportcard.com/report/github.com/go-xorm/xorm)
[![Join the chat at https://img.shields.io/discord/323460943201959939.svg](https://img.shields.io/discord/323460943201959939.svg)](https://discord.gg/HuR2CF3)
## 特性
* 支持Struct和数据库表之间的灵活映射，并支持自动同步
* 事务支持
* 同时支持原始SQL语句和ORM操作的混合执行
* 使用连写来简化调用
* 支持使用Id, In, Where, Limit, Join, Having, Table, Sql, Cols等函数和结构体等方式作为条件
* 支持级联加载Struct
* 支持缓存
* 支持根据数据库自动生成xorm的结构体
* 支持记录版本（即乐观锁）
* 内置SQL Builder支持
## 驱动支持
目前支持的Go数据库驱动和对应的数据库如下：
* Mysql: [github.com/go-sql-driver/mysql](https://github.com/go-sql-driver/mysql)
* MyMysql: [github.com/ziutek/mymysql/godrv](https://github.com/ziutek/mymysql/godrv)
* Postgres: [github.com/lib/pq](https://github.com/lib/pq)
* Tidb: [github.com/pingcap/tidb](https://github.com/pingcap/tidb)
* SQLite: [github.com/mattn/go-sqlite3](https://github.com/mattn/go-sqlite3)
* MsSql: [github.com/denisenkom/go-mssqldb](https://github.com/denisenkom/go-mssqldb)
* MsSql: [github.com/lunny/godbc](https://github.com/lunny/godbc)
* Oracle: [github.com/mattn/go-oci8](https://github.com/mattn/go-oci8) (试验性支持)
## 更新日志
* **v0.6.3**
* 合并单元测试到主工程
* 新增`Exist`方法
* 新增`SumInt`方法
* Mysql新增读取和创建字段注释支持
* 新增`SetConnMaxLifetime`方法
* 修正了时间相关的Bug
* 修复了一些其它Bug
* **v0.6.2**
* 重构Tag解析方式
* Get方法新增类似Scan的特性
* 新增 QueryString 方法
* **v0.6.0**
* 去除对 ql 的支持
* 新增条件查询分析器 [github.com/go-xorm/builder](https://github.com/go-xorm/builder), 从因此 `Where, And, Or` 函数
将可以用 `builder.Cond` 作为条件组合
* 新增 Sum, SumInt, SumInt64 和 NotIn 函数
* Bug修正
* **v0.5.0**
* logging接口进行不兼容改变
* Bug修正
[更多更新日志...](https://github.com/go-xorm/manual-zh-CN/tree/master/chapter-16)
## 安装
go get github.com/go-xorm/xorm
## 文档
* [操作指南](http://xorm.io/docs)
* [GoWalker代码文档](http://gowalker.org/github.com/go-xorm/xorm)
* [Godoc代码文档](http://godoc.org/github.com/go-xorm/xorm)
# 快速开始
* 第一步创建引擎，driverName, dataSourceName和database/sql接口相同
```Go
engine, err := xorm.NewEngine(driverName, dataSourceName)
```
* 定义一个和表同步的结构体，并且自动同步结构体到数据库
```Go
type User struct {
Id int64
Name string
Salt string
Age int
Passwd string `xorm:"varchar(200)"`
Created time.Time `xorm:"created"`
Updated time.Time `xorm:"updated"`
}
err := engine.Sync2(new(User))
```
* `Query` 最原始的也支持SQL语句查询，返回的结果类型为 []map[string][]byte。`QueryString` 返回 []map[string]string
```Go
results, err := engine.Query("select * from user")
results, err := engine.QueryString("select * from user")
```
* `Exec` 执行一个SQL语句
```Go
affected, err := engine.Exec("update user set age = ? where name = ?", age, name)
```
* 插入一条或者多条记录
```Go
affected, err := engine.Insert(&user)
// INSERT INTO struct () values ()
affected, err := engine.Insert(&user1, &user2)
// INSERT INTO struct1 () values ()
// INSERT INTO struct2 () values ()
affected, err := engine.Insert(&users)
// INSERT INTO struct () values (),(),()
affected, err := engine.Insert(&user1, &users)
// INSERT INTO struct1 () values ()
// INSERT INTO struct2 () values (),(),()
```
* 查询单条记录
```Go
has, err := engine.Get(&user)
// SELECT * FROM user LIMIT 1
has, err := engine.Where("name = ?", name).Desc("id").Get(&user)
// SELECT * FROM user WHERE name = ? ORDER BY id DESC LIMIT 1
var name string
has, err := engine.Where("id = ?", id).Cols("name").Get(&name)
// SELECT name FROM user WHERE id = ?
var id int64
has, err := engine.Where("name = ?", name).Cols("id").Get(&id)
// SELECT id FROM user WHERE name = ?
var valuesMap = make(map[string]string)
has, err := engine.Where("id = ?", id).Get(&valuesMap)
// SELECT * FROM user WHERE id = ?
var valuesSlice = make([]interface{}, len(cols))
has, err := engine.Where("id = ?", id).Cols(cols...).Get(&valuesSlice)
// SELECT col1, col2, col3 FROM user WHERE id = ?
```
* 检测记录是否存在
```Go
has, err := testEngine.Exist(new(RecordExist))
// SELECT * FROM record_exist LIMIT 1
has, err = testEngine.Exist(&RecordExist{
Name: "test1",
})
// SELECT * FROM record_exist WHERE name = ? LIMIT 1
has, err = testEngine.Where("name = ?", "test1").Exist(&RecordExist{})
// SELECT * FROM record_exist WHERE name = ? LIMIT 1
has, err = testEngine.SQL("select * from record_exist where name = ?", "test1").Exist()
// select * from record_exist where name = ?
has, err = testEngine.Table("record_exist").Exist()
// SELECT * FROM record_exist LIMIT 1
has, err = testEngine.Table("record_exist").Where("name = ?", "test1").Exist()
// SELECT * FROM record_exist WHERE name = ? LIMIT 1
```
* 查询多条记录，当然可以使用Join和extends来组合使用
```Go
var users []User
err := engine.Where("name = ?", name).And("age > 10").Limit(10, 0).Find(&users)
// SELECT * FROM user WHERE name = ? AND age > 10 limit 0 offset 10
type Detail struct {
Id int64
UserId int64 `xorm:"index"`
}
type UserDetail struct {
User `xorm:"extends"`
Detail `xorm:"extends"`
}
var users []UserDetail
err := engine.Table("user").Select("user.*, detail.*")
Join("INNER", "detail", "detail.user_id = user.id").
Where("user.name = ?", name).Limit(10, 0).
Find(&users)
// SELECT user.*, detail.* FROM user INNER JOIN detail WHERE user.name = ? limit 0 offset 10
```
* 根据条件遍历数据库，可以有两种方式: Iterate and Rows
```Go
err := engine.Iterate(&User{Name:name}, func(idx int, bean interface{}) error {
user := bean.(*User)
return nil
})
// SELECT * FROM user
rows, err := engine.Rows(&User{Name:name})
// SELECT * FROM user
defer rows.Close()
bean := new(Struct)
for rows.Next() {
err = rows.Scan(bean)
}
```
* 更新数据，除非使用Cols,AllCols函数指明，默认只更新非空和非0的字段
```Go
affected, err := engine.Id(1).Update(&user)
// UPDATE user SET ... Where id = ?
affected, err := engine.Update(&user, &User{Name:name})
// UPDATE user SET ... Where name = ?
var ids = []int64{1, 2, 3}
affected, err := engine.In(ids).Update(&user)
// UPDATE user SET ... Where id IN (?, ?, ?)
// force update indicated columns by Cols
affected, err := engine.Id(1).Cols("age").Update(&User{Name:name, Age: 12})
// UPDATE user SET age = ?, updated=? Where id = ?
// force NOT update indicated columns by Omit
affected, err := engine.Id(1).Omit("name").Update(&User{Name:name, Age: 12})
// UPDATE user SET age = ?, updated=? Where id = ?
affected, err := engine.Id(1).AllCols().Update(&user)
// UPDATE user SET name=?,age=?,salt=?,passwd=?,updated=? Where id = ?
```
* 删除记录，需要注意，删除必须至少有一个条件，否则会报错。要清空数据库可以用EmptyTable
```Go
affected, err := engine.Where(...).Delete(&user)
// DELETE FROM user Where ...
```
* 获取记录条数
```Go
counts, err := engine.Count(&user)
// SELECT count(*) AS total FROM user
```
* 条件编辑器
```Go
err := engine.Where(builder.NotIn("a", 1, 2).And(builder.In("b", "c", "d", "e"))).Find(&users)
// SELECT id, name ... FROM user WHERE a NOT IN (?, ?) AND b IN (?, ?, ?)
```
# 案例
* [Go语言中文网](http://studygolang.com/) - [github.com/studygolang/studygolang](https://github.com/studygolang/studygolang)
* [Gitea](http://gitea.io) - [github.com/go-gitea/gitea](http://github.com/go-gitea/gitea)
* [Gogs](http://try.gogits.org) - [github.com/gogits/gogs](http://github.com/gogits/gogs)
* [grafana](https://grafana.com/) - [github.com/grafana/grafana](http://github.com/grafana/grafana)
* [github.com/m3ng9i/qreader](https://github.com/m3ng9i/qreader)
* [Wego](http://github.com/go-tango/wego)
* [Docker.cn](https://docker.cn/)
* [Xorm Adapter](https://github.com/casbin/xorm-adapter) for [Casbin](https://github.com/casbin/casbin) - [github.com/casbin/xorm-adapter](https://github.com/casbin/xorm-adapter)
* [Gowalker](http://gowalker.org) - [github.com/Unknwon/gowalker](http://github.com/Unknwon/gowalker)
* [Gobuild.io](http://gobuild.io) - [github.com/shxsun/gobuild](http://github.com/shxsun/gobuild)
* [Sudo China](http://sudochina.com) - [github.com/insionng/toropress](http://github.com/insionng/toropress)
* [Godaily](http://godaily.org) - [github.com/govc/godaily](http://github.com/govc/godaily)
* [YouGam](http://www.yougam.com/)
* [GoCMS - github.com/zzboy/GoCMS](https://github.com/zzdboy/GoCMS)
* [GoBBS - gobbs.domolo.com](http://gobbs.domolo.com/)
* [go-blog](http://wangcheng.me) - [github.com/easykoo/go-blog](https://github.com/easykoo/go-blog)
## 讨论
请加入QQ群：280360085 进行讨论。
## 贡献
如果您也想为Xorm贡献您的力量，请查看 [CONTRIBUTING](https://github.com/go-xorm/xorm/blob/master/CONTRIBUTING.md)
## LICENSE
BSD License
[http://creativecommons.org/licenses/BSD/](http://creativecommons.org/licenses/BSD/)

284
vendor/github.com/go-xorm/xorm/cache_lru.go generated vendored Normal file
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// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"container/list"
"fmt"
"sync"
"time"
"github.com/go-xorm/core"
)
// LRUCacher implments cache object facilities
type LRUCacher struct {
idList *list.List
sqlList *list.List
idIndex map[string]map[string]*list.Element
sqlIndex map[string]map[string]*list.Element
store core.CacheStore
mutex sync.Mutex
MaxElementSize int
Expired time.Duration
GcInterval time.Duration
}
// NewLRUCacher creates a cacher
func NewLRUCacher(store core.CacheStore, maxElementSize int) *LRUCacher {
return NewLRUCacher2(store, 3600*time.Second, maxElementSize)
}
// NewLRUCacher2 creates a cache include different params
func NewLRUCacher2(store core.CacheStore, expired time.Duration, maxElementSize int) *LRUCacher {
cacher := &LRUCacher{store: store, idList: list.New(),
sqlList: list.New(), Expired: expired,
GcInterval: core.CacheGcInterval, MaxElementSize: maxElementSize,
sqlIndex: make(map[string]map[string]*list.Element),
idIndex: make(map[string]map[string]*list.Element),
}
cacher.RunGC()
return cacher
}
// RunGC run once every m.GcInterval
func (m *LRUCacher) RunGC() {
time.AfterFunc(m.GcInterval, func() {
m.RunGC()
m.GC()
})
}
// GC check ids lit and sql list to remove all element expired
func (m *LRUCacher) GC() {
m.mutex.Lock()
defer m.mutex.Unlock()
var removedNum int
for e := m.idList.Front(); e != nil; {
if removedNum <= core.CacheGcMaxRemoved &&
time.Now().Sub(e.Value.(*idNode).lastVisit) > m.Expired {
removedNum++
next := e.Next()
node := e.Value.(*idNode)
m.delBean(node.tbName, node.id)
e = next
} else {
break
}
}
removedNum = 0
for e := m.sqlList.Front(); e != nil; {
if removedNum <= core.CacheGcMaxRemoved &&
time.Now().Sub(e.Value.(*sqlNode).lastVisit) > m.Expired {
removedNum++
next := e.Next()
node := e.Value.(*sqlNode)
m.delIds(node.tbName, node.sql)
e = next
} else {
break
}
}
}
// GetIds returns all bean's ids according to sql and parameter from cache
func (m *LRUCacher) GetIds(tableName, sql string) interface{} {
m.mutex.Lock()
defer m.mutex.Unlock()
if _, ok := m.sqlIndex[tableName]; !ok {
m.sqlIndex[tableName] = make(map[string]*list.Element)
}
if v, err := m.store.Get(sql); err == nil {
if el, ok := m.sqlIndex[tableName][sql]; !ok {
el = m.sqlList.PushBack(newSQLNode(tableName, sql))
m.sqlIndex[tableName][sql] = el
} else {
lastTime := el.Value.(*sqlNode).lastVisit
// if expired, remove the node and return nil
if time.Now().Sub(lastTime) > m.Expired {
m.delIds(tableName, sql)
return nil
}
m.sqlList.MoveToBack(el)
el.Value.(*sqlNode).lastVisit = time.Now()
}
return v
}
m.delIds(tableName, sql)
return nil
}
// GetBean returns bean according tableName and id from cache
func (m *LRUCacher) GetBean(tableName string, id string) interface{} {
m.mutex.Lock()
defer m.mutex.Unlock()
if _, ok := m.idIndex[tableName]; !ok {
m.idIndex[tableName] = make(map[string]*list.Element)
}
tid := genID(tableName, id)
if v, err := m.store.Get(tid); err == nil {
if el, ok := m.idIndex[tableName][id]; ok {
lastTime := el.Value.(*idNode).lastVisit
// if expired, remove the node and return nil
if time.Now().Sub(lastTime) > m.Expired {
m.delBean(tableName, id)
return nil
}
m.idList.MoveToBack(el)
el.Value.(*idNode).lastVisit = time.Now()
} else {
el = m.idList.PushBack(newIDNode(tableName, id))
m.idIndex[tableName][id] = el
}
return v
}
// store bean is not exist, then remove memory's index
m.delBean(tableName, id)
return nil
}
// clearIds clears all sql-ids mapping on table tableName from cache
func (m *LRUCacher) clearIds(tableName string) {
if tis, ok := m.sqlIndex[tableName]; ok {
for sql, v := range tis {
m.sqlList.Remove(v)
m.store.Del(sql)
}
}
m.sqlIndex[tableName] = make(map[string]*list.Element)
}
// ClearIds clears all sql-ids mapping on table tableName from cache
func (m *LRUCacher) ClearIds(tableName string) {
m.mutex.Lock()
m.clearIds(tableName)
m.mutex.Unlock()
}
func (m *LRUCacher) clearBeans(tableName string) {
if tis, ok := m.idIndex[tableName]; ok {
for id, v := range tis {
m.idList.Remove(v)
tid := genID(tableName, id)
m.store.Del(tid)
}
}
m.idIndex[tableName] = make(map[string]*list.Element)
}
// ClearBeans clears all beans in some table
func (m *LRUCacher) ClearBeans(tableName string) {
m.mutex.Lock()
m.clearBeans(tableName)
m.mutex.Unlock()
}
// PutIds pus ids into table
func (m *LRUCacher) PutIds(tableName, sql string, ids interface{}) {
m.mutex.Lock()
if _, ok := m.sqlIndex[tableName]; !ok {
m.sqlIndex[tableName] = make(map[string]*list.Element)
}
if el, ok := m.sqlIndex[tableName][sql]; !ok {
el = m.sqlList.PushBack(newSQLNode(tableName, sql))
m.sqlIndex[tableName][sql] = el
} else {
el.Value.(*sqlNode).lastVisit = time.Now()
}
m.store.Put(sql, ids)
if m.sqlList.Len() > m.MaxElementSize {
e := m.sqlList.Front()
node := e.Value.(*sqlNode)
m.delIds(node.tbName, node.sql)
}
m.mutex.Unlock()
}
// PutBean puts beans into table
func (m *LRUCacher) PutBean(tableName string, id string, obj interface{}) {
m.mutex.Lock()
var el *list.Element
var ok bool
if el, ok = m.idIndex[tableName][id]; !ok {
el = m.idList.PushBack(newIDNode(tableName, id))
m.idIndex[tableName][id] = el
} else {
el.Value.(*idNode).lastVisit = time.Now()
}
m.store.Put(genID(tableName, id), obj)
if m.idList.Len() > m.MaxElementSize {
e := m.idList.Front()
node := e.Value.(*idNode)
m.delBean(node.tbName, node.id)
}
m.mutex.Unlock()
}
func (m *LRUCacher) delIds(tableName, sql string) {
if _, ok := m.sqlIndex[tableName]; ok {
if el, ok := m.sqlIndex[tableName][sql]; ok {
delete(m.sqlIndex[tableName], sql)
m.sqlList.Remove(el)
}
}
m.store.Del(sql)
}
// DelIds deletes ids
func (m *LRUCacher) DelIds(tableName, sql string) {
m.mutex.Lock()
m.delIds(tableName, sql)
m.mutex.Unlock()
}
func (m *LRUCacher) delBean(tableName string, id string) {
tid := genID(tableName, id)
if el, ok := m.idIndex[tableName][id]; ok {
delete(m.idIndex[tableName], id)
m.idList.Remove(el)
m.clearIds(tableName)
}
m.store.Del(tid)
}
// DelBean deletes beans in some table
func (m *LRUCacher) DelBean(tableName string, id string) {
m.mutex.Lock()
m.delBean(tableName, id)
m.mutex.Unlock()
}
type idNode struct {
tbName string
id string
lastVisit time.Time
}
type sqlNode struct {
tbName string
sql string
lastVisit time.Time
}
func genSQLKey(sql string, args interface{}) string {
return fmt.Sprintf("%v-%v", sql, args)
}
func genID(prefix string, id string) string {
return fmt.Sprintf("%v-%v", prefix, id)
}
func newIDNode(tbName string, id string) *idNode {
return &idNode{tbName, id, time.Now()}
}
func newSQLNode(tbName, sql string) *sqlNode {
return &sqlNode{tbName, sql, time.Now()}
}

51
vendor/github.com/go-xorm/xorm/cache_memory_store.go generated vendored Normal file
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// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"sync"
"github.com/go-xorm/core"
)
var _ core.CacheStore = NewMemoryStore()
// MemoryStore represents in-memory store
type MemoryStore struct {
store map[interface{}]interface{}
mutex sync.RWMutex
}
// NewMemoryStore creates a new store in memory
func NewMemoryStore() *MemoryStore {
return &MemoryStore{store: make(map[interface{}]interface{})}
}
// Put puts object into store
func (s *MemoryStore) Put(key string, value interface{}) error {
s.mutex.Lock()
defer s.mutex.Unlock()
s.store[key] = value
return nil
}
// Get gets object from store
func (s *MemoryStore) Get(key string) (interface{}, error) {
s.mutex.RLock()
defer s.mutex.RUnlock()
if v, ok := s.store[key]; ok {
return v, nil
}
return nil, ErrNotExist
}
// Del deletes object
func (s *MemoryStore) Del(key string) error {
s.mutex.Lock()
defer s.mutex.Unlock()
delete(s.store, key)
return nil
}

38
vendor/github.com/go-xorm/xorm/circle.yml generated vendored Normal file
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dependencies:
override:
# './...' is a relative pattern which means all subdirectories
- go get -t -d -v ./...
- go get -t -d -v github.com/go-xorm/tests
- go get -u github.com/go-xorm/core
- go get -u github.com/go-xorm/builder
- go build -v
database:
override:
- mysql -u root -e "CREATE DATABASE xorm_test DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci"
- mysql -u root -e "CREATE DATABASE xorm_test1 DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci"
- mysql -u root -e "CREATE DATABASE xorm_test2 DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci"
- mysql -u root -e "CREATE DATABASE xorm_test3 DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci"
- createdb -p 5432 -e -U postgres xorm_test
- createdb -p 5432 -e -U postgres xorm_test1
- createdb -p 5432 -e -U postgres xorm_test2
- createdb -p 5432 -e -U postgres xorm_test3
test:
override:
# './...' is a relative pattern which means all subdirectories
- go get -u github.com/wadey/gocovmerge;
- go test -v -race -db="sqlite3" -conn_str="./test.db" -coverprofile=coverage1-1.txt -covermode=atomic
- go test -v -race -db="sqlite3" -conn_str="./test.db" -cache=true -coverprofile=coverage1-2.txt -covermode=atomic
- go test -v -race -db="mysql" -conn_str="root:@/xorm_test" -coverprofile=coverage2-1.txt -covermode=atomic
- go test -v -race -db="mysql" -conn_str="root:@/xorm_test" -cache=true -coverprofile=coverage2-2.txt -covermode=atomic
- go test -v -race -db="mymysql" -conn_str="xorm_test/root/" -coverprofile=coverage3-1.txt -covermode=atomic
- go test -v -race -db="mymysql" -conn_str="xorm_test/root/" -cache=true -coverprofile=coverage3-2.txt -covermode=atomic
- go test -v -race -db="postgres" -conn_str="dbname=xorm_test sslmode=disable" -coverprofile=coverage4-1.txt -covermode=atomic
- go test -v -race -db="postgres" -conn_str="dbname=xorm_test sslmode=disable" -cache=true -coverprofile=coverage4-2.txt -covermode=atomic
- gocovmerge coverage1-1.txt coverage1-2.txt coverage2-1.txt coverage2-2.txt coverage3-1.txt coverage3-2.txt coverage4-1.txt coverage4-2.txt > coverage.txt
- cd /home/ubuntu/.go_workspace/src/github.com/go-xorm/tests && ./sqlite3.sh
- cd /home/ubuntu/.go_workspace/src/github.com/go-xorm/tests && ./mysql.sh
- cd /home/ubuntu/.go_workspace/src/github.com/go-xorm/tests && ./postgres.sh
post:
- bash <(curl -s https://codecov.io/bash)

348
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// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"database/sql/driver"
"errors"
"fmt"
"reflect"
"strconv"
"time"
)
var errNilPtr = errors.New("destination pointer is nil") // embedded in descriptive error
func strconvErr(err error) error {
if ne, ok := err.(*strconv.NumError); ok {
return ne.Err
}
return err
}
func cloneBytes(b []byte) []byte {
if b == nil {
return nil
} else {
c := make([]byte, len(b))
copy(c, b)
return c
}
}
func asString(src interface{}) string {
switch v := src.(type) {
case string:
return v
case []byte:
return string(v)
}
rv := reflect.ValueOf(src)
switch rv.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return strconv.FormatInt(rv.Int(), 10)
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return strconv.FormatUint(rv.Uint(), 10)
case reflect.Float64:
return strconv.FormatFloat(rv.Float(), 'g', -1, 64)
case reflect.Float32:
return strconv.FormatFloat(rv.Float(), 'g', -1, 32)
case reflect.Bool:
return strconv.FormatBool(rv.Bool())
}
return fmt.Sprintf("%v", src)
}
func asBytes(buf []byte, rv reflect.Value) (b []byte, ok bool) {
switch rv.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return strconv.AppendInt(buf, rv.Int(), 10), true
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return strconv.AppendUint(buf, rv.Uint(), 10), true
case reflect.Float32:
return strconv.AppendFloat(buf, rv.Float(), 'g', -1, 32), true
case reflect.Float64:
return strconv.AppendFloat(buf, rv.Float(), 'g', -1, 64), true
case reflect.Bool:
return strconv.AppendBool(buf, rv.Bool()), true
case reflect.String:
s := rv.String()
return append(buf, s...), true
}
return
}
// convertAssign copies to dest the value in src, converting it if possible.
// An error is returned if the copy would result in loss of information.
// dest should be a pointer type.
func convertAssign(dest, src interface{}) error {
// Common cases, without reflect.
switch s := src.(type) {
case string:
switch d := dest.(type) {
case *string:
if d == nil {
return errNilPtr
}
*d = s
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = []byte(s)
return nil
}
case []byte:
switch d := dest.(type) {
case *string:
if d == nil {
return errNilPtr
}
*d = string(s)
return nil
case *interface{}:
if d == nil {
return errNilPtr
}
*d = cloneBytes(s)
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = cloneBytes(s)
return nil
}
case time.Time:
switch d := dest.(type) {
case *string:
*d = s.Format(time.RFC3339Nano)
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = []byte(s.Format(time.RFC3339Nano))
return nil
}
case nil:
switch d := dest.(type) {
case *interface{}:
if d == nil {
return errNilPtr
}
*d = nil
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = nil
return nil
}
}
var sv reflect.Value
switch d := dest.(type) {
case *string:
sv = reflect.ValueOf(src)
switch sv.Kind() {
case reflect.Bool,
reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
reflect.Float32, reflect.Float64:
*d = asString(src)
return nil
}
case *[]byte:
sv = reflect.ValueOf(src)
if b, ok := asBytes(nil, sv); ok {
*d = b
return nil
}
case *bool:
bv, err := driver.Bool.ConvertValue(src)
if err == nil {
*d = bv.(bool)
}
return err
case *interface{}:
*d = src
return nil
}
dpv := reflect.ValueOf(dest)
if dpv.Kind() != reflect.Ptr {
return errors.New("destination not a pointer")
}
if dpv.IsNil() {
return errNilPtr
}
if !sv.IsValid() {
sv = reflect.ValueOf(src)
}
dv := reflect.Indirect(dpv)
if sv.IsValid() && sv.Type().AssignableTo(dv.Type()) {
switch b := src.(type) {
case []byte:
dv.Set(reflect.ValueOf(cloneBytes(b)))
default:
dv.Set(sv)
}
return nil
}
if dv.Kind() == sv.Kind() && sv.Type().ConvertibleTo(dv.Type()) {
dv.Set(sv.Convert(dv.Type()))
return nil
}
switch dv.Kind() {
case reflect.Ptr:
if src == nil {
dv.Set(reflect.Zero(dv.Type()))
return nil
} else {
dv.Set(reflect.New(dv.Type().Elem()))
return convertAssign(dv.Interface(), src)
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
s := asString(src)
i64, err := strconv.ParseInt(s, 10, dv.Type().Bits())
if err != nil {
err = strconvErr(err)
return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err)
}
dv.SetInt(i64)
return nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
s := asString(src)
u64, err := strconv.ParseUint(s, 10, dv.Type().Bits())
if err != nil {
err = strconvErr(err)
return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err)
}
dv.SetUint(u64)
return nil
case reflect.Float32, reflect.Float64:
s := asString(src)
f64, err := strconv.ParseFloat(s, dv.Type().Bits())
if err != nil {
err = strconvErr(err)
return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err)
}
dv.SetFloat(f64)
return nil
case reflect.String:
dv.SetString(asString(src))
return nil
}
return fmt.Errorf("unsupported Scan, storing driver.Value type %T into type %T", src, dest)
}
func asKind(vv reflect.Value, tp reflect.Type) (interface{}, error) {
switch tp.Kind() {
case reflect.Int64:
return vv.Int(), nil
case reflect.Int:
return int(vv.Int()), nil
case reflect.Int32:
return int32(vv.Int()), nil
case reflect.Int16:
return int16(vv.Int()), nil
case reflect.Int8:
return int8(vv.Int()), nil
case reflect.Uint64:
return vv.Uint(), nil
case reflect.Uint:
return uint(vv.Uint()), nil
case reflect.Uint32:
return uint32(vv.Uint()), nil
case reflect.Uint16:
return uint16(vv.Uint()), nil
case reflect.Uint8:
return uint8(vv.Uint()), nil
case reflect.String:
return vv.String(), nil
case reflect.Slice:
if tp.Elem().Kind() == reflect.Uint8 {
v, err := strconv.ParseInt(string(vv.Interface().([]byte)), 10, 64)
if err != nil {
return nil, err
}
return v, nil
}
}
return nil, fmt.Errorf("unsupported primary key type: %v, %v", tp, vv)
}
func convertFloat(v interface{}) (float64, error) {
switch v.(type) {
case float32:
return float64(v.(float32)), nil
case float64:
return v.(float64), nil
case string:
i, err := strconv.ParseFloat(v.(string), 64)
if err != nil {
return 0, err
}
return i, nil
case []byte:
i, err := strconv.ParseFloat(string(v.([]byte)), 64)
if err != nil {
return 0, err
}
return i, nil
}
return 0, fmt.Errorf("unsupported type: %v", v)
}
func convertInt(v interface{}) (int64, error) {
switch v.(type) {
case int:
return int64(v.(int)), nil
case int8:
return int64(v.(int8)), nil
case int16:
return int64(v.(int16)), nil
case int32:
return int64(v.(int32)), nil
case int64:
return v.(int64), nil
case []byte:
i, err := strconv.ParseInt(string(v.([]byte)), 10, 64)
if err != nil {
return 0, err
}
return i, nil
case string:
i, err := strconv.ParseInt(v.(string), 10, 64)
if err != nil {
return 0, err
}
return i, nil
}
return 0, fmt.Errorf("unsupported type: %v", v)
}
func asBool(bs []byte) (bool, error) {
if len(bs) == 0 {
return false, nil
}
if bs[0] == 0x00 {
return false, nil
} else if bs[0] == 0x01 {
return true, nil
}
return strconv.ParseBool(string(bs))
}

562
vendor/github.com/go-xorm/xorm/dialect_mssql.go generated vendored Normal file
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@ -0,0 +1,562 @@
// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"errors"
"fmt"
"strconv"
"strings"
"github.com/go-xorm/core"
)
var (
mssqlReservedWords = map[string]bool{
"ADD": true,
"EXTERNAL": true,
"PROCEDURE": true,
"ALL": true,
"FETCH": true,
"PUBLIC": true,
"ALTER": true,
"FILE": true,
"RAISERROR": true,
"AND": true,
"FILLFACTOR": true,
"READ": true,
"ANY": true,
"FOR": true,
"READTEXT": true,
"AS": true,
"FOREIGN": true,
"RECONFIGURE": true,
"ASC": true,
"FREETEXT": true,
"REFERENCES": true,
"AUTHORIZATION": true,
"FREETEXTTABLE": true,
"REPLICATION": true,
"BACKUP": true,
"FROM": true,
"RESTORE": true,
"BEGIN": true,
"FULL": true,
"RESTRICT": true,
"BETWEEN": true,
"FUNCTION": true,
"RETURN": true,
"BREAK": true,
"GOTO": true,
"REVERT": true,
"BROWSE": true,
"GRANT": true,
"REVOKE": true,
"BULK": true,
"GROUP": true,
"RIGHT": true,
"BY": true,
"HAVING": true,
"ROLLBACK": true,
"CASCADE": true,
"HOLDLOCK": true,
"ROWCOUNT": true,
"CASE": true,
"IDENTITY": true,
"ROWGUIDCOL": true,
"CHECK": true,
"IDENTITY_INSERT": true,
"RULE": true,
"CHECKPOINT": true,
"IDENTITYCOL": true,
"SAVE": true,
"CLOSE": true,
"IF": true,
"SCHEMA": true,
"CLUSTERED": true,
"IN": true,
"SECURITYAUDIT": true,
"COALESCE": true,
"INDEX": true,
"SELECT": true,
"COLLATE": true,
"INNER": true,
"SEMANTICKEYPHRASETABLE": true,
"COLUMN": true,
"INSERT": true,
"SEMANTICSIMILARITYDETAILSTABLE": true,
"COMMIT": true,
"INTERSECT": true,
"SEMANTICSIMILARITYTABLE": true,
"COMPUTE": true,
"INTO": true,
"SESSION_USER": true,
"CONSTRAINT": true,
"IS": true,
"SET": true,
"CONTAINS": true,
"JOIN": true,
"SETUSER": true,
"CONTAINSTABLE": true,
"KEY": true,
"SHUTDOWN": true,
"CONTINUE": true,
"KILL": true,
"SOME": true,
"CONVERT": true,
"LEFT": true,
"STATISTICS": true,
"CREATE": true,
"LIKE": true,
"SYSTEM_USER": true,
"CROSS": true,
"LINENO": true,
"TABLE": true,
"CURRENT": true,
"LOAD": true,
"TABLESAMPLE": true,
"CURRENT_DATE": true,
"MERGE": true,
"TEXTSIZE": true,
"CURRENT_TIME": true,
"NATIONAL": true,
"THEN": true,
"CURRENT_TIMESTAMP": true,
"NOCHECK": true,
"TO": true,
"CURRENT_USER": true,
"NONCLUSTERED": true,
"TOP": true,
"CURSOR": true,
"NOT": true,
"TRAN": true,
"DATABASE": true,
"NULL": true,
"TRANSACTION": true,
"DBCC": true,
"NULLIF": true,
"TRIGGER": true,
"DEALLOCATE": true,
"OF": true,
"TRUNCATE": true,
"DECLARE": true,
"OFF": true,
"TRY_CONVERT": true,
"DEFAULT": true,
"OFFSETS": true,
"TSEQUAL": true,
"DELETE": true,
"ON": true,
"UNION": true,
"DENY": true,
"OPEN": true,
"UNIQUE": true,
"DESC": true,
"OPENDATASOURCE": true,
"UNPIVOT": true,
"DISK": true,
"OPENQUERY": true,
"UPDATE": true,
"DISTINCT": true,
"OPENROWSET": true,
"UPDATETEXT": true,
"DISTRIBUTED": true,
"OPENXML": true,
"USE": true,
"DOUBLE": true,
"OPTION": true,
"USER": true,
"DROP": true,
"OR": true,
"VALUES": true,
"DUMP": true,
"ORDER": true,
"VARYING": true,
"ELSE": true,
"OUTER": true,
"VIEW": true,
"END": true,
"OVER": true,
"WAITFOR": true,
"ERRLVL": true,
"PERCENT": true,
"WHEN": true,
"ESCAPE": true,
"PIVOT": true,
"WHERE": true,
"EXCEPT": true,
"PLAN": true,
"WHILE": true,
"EXEC": true,
"PRECISION": true,
"WITH": true,
"EXECUTE": true,
"PRIMARY": true,
"WITHIN": true,
"EXISTS": true,
"PRINT": true,
"WRITETEXT": true,
"EXIT": true,
"PROC": true,
}
)
type mssql struct {
core.Base
}
func (db *mssql) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
return db.Base.Init(d, db, uri, drivername, dataSourceName)
}
func (db *mssql) SqlType(c *core.Column) string {
var res string
switch t := c.SQLType.Name; t {
case core.Bool:
res = core.Bit
if strings.EqualFold(c.Default, "true") {
c.Default = "1"
} else {
c.Default = "0"
}
case core.Serial:
c.IsAutoIncrement = true
c.IsPrimaryKey = true
c.Nullable = false
res = core.Int
case core.BigSerial:
c.IsAutoIncrement = true
c.IsPrimaryKey = true
c.Nullable = false
res = core.BigInt
case core.Bytea, core.Blob, core.Binary, core.TinyBlob, core.MediumBlob, core.LongBlob:
res = core.VarBinary
if c.Length == 0 {
c.Length = 50
}
case core.TimeStamp:
res = core.DateTime
case core.TimeStampz:
res = "DATETIMEOFFSET"
c.Length = 7
case core.MediumInt:
res = core.Int
case core.Text, core.MediumText, core.TinyText, core.LongText, core.Json:
res = core.Varchar + "(MAX)"
case core.Double:
res = core.Real
case core.Uuid:
res = core.Varchar
c.Length = 40
case core.TinyInt:
res = core.TinyInt
c.Length = 0
default:
res = t
}
if res == core.Int {
return core.Int
}
hasLen1 := (c.Length > 0)
hasLen2 := (c.Length2 > 0)
if hasLen2 {
res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
} else if hasLen1 {
res += "(" + strconv.Itoa(c.Length) + ")"
}
return res
}
func (db *mssql) SupportInsertMany() bool {
return true
}
func (db *mssql) IsReserved(name string) bool {
_, ok := mssqlReservedWords[name]
return ok
}
func (db *mssql) Quote(name string) string {
return "\"" + name + "\""
}
func (db *mssql) QuoteStr() string {
return "\""
}
func (db *mssql) SupportEngine() bool {
return false
}
func (db *mssql) AutoIncrStr() string {
return "IDENTITY"
}
func (db *mssql) DropTableSql(tableName string) string {
return fmt.Sprintf("IF EXISTS (SELECT * FROM sysobjects WHERE id = "+
"object_id(N'%s') and OBJECTPROPERTY(id, N'IsUserTable') = 1) "+
"DROP TABLE \"%s\"", tableName, tableName)
}
func (db *mssql) SupportCharset() bool {
return false
}
func (db *mssql) IndexOnTable() bool {
return true
}
func (db *mssql) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
args := []interface{}{idxName}
sql := "select name from sysindexes where id=object_id('" + tableName + "') and name=?"
return sql, args
}
/*func (db *mssql) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
args := []interface{}{tableName, colName}
sql := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?`
return sql, args
}*/
func (db *mssql) IsColumnExist(tableName, colName string) (bool, error) {
query := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?`
return db.HasRecords(query, tableName, colName)
}
func (db *mssql) TableCheckSql(tableName string) (string, []interface{}) {
args := []interface{}{}
sql := "select * from sysobjects where id = object_id(N'" + tableName + "') and OBJECTPROPERTY(id, N'IsUserTable') = 1"
return sql, args
}
func (db *mssql) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
args := []interface{}{}
s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable,
replace(replace(isnull(c.text,''),'(',''),')','') as vdefault,
ISNULL(i.is_primary_key, 0)
from sys.columns a
left join sys.types b on a.user_type_id=b.user_type_id
left join sys.syscomments c on a.default_object_id=c.id
LEFT OUTER JOIN
sys.index_columns ic ON ic.object_id = a.object_id AND ic.column_id = a.column_id
LEFT OUTER JOIN
sys.indexes i ON ic.object_id = i.object_id AND ic.index_id = i.index_id
where a.object_id=object_id('` + tableName + `')`
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, nil, err
}
defer rows.Close()
cols := make(map[string]*core.Column)
colSeq := make([]string, 0)
for rows.Next() {
var name, ctype, vdefault string
var maxLen, precision, scale int
var nullable, isPK bool
err = rows.Scan(&name, &ctype, &maxLen, &precision, &scale, &nullable, &vdefault, &isPK)
if err != nil {
return nil, nil, err
}
col := new(core.Column)
col.Indexes = make(map[string]int)
col.Name = strings.Trim(name, "` ")
col.Nullable = nullable
col.Default = vdefault
col.IsPrimaryKey = isPK
ct := strings.ToUpper(ctype)
if ct == "DECIMAL" {
col.Length = precision
col.Length2 = scale
} else {
col.Length = maxLen
}
switch ct {
case "DATETIMEOFFSET":
col.SQLType = core.SQLType{Name: core.TimeStampz, DefaultLength: 0, DefaultLength2: 0}
case "NVARCHAR":
col.SQLType = core.SQLType{Name: core.NVarchar, DefaultLength: 0, DefaultLength2: 0}
case "IMAGE":
col.SQLType = core.SQLType{Name: core.VarBinary, DefaultLength: 0, DefaultLength2: 0}
default:
if _, ok := core.SqlTypes[ct]; ok {
col.SQLType = core.SQLType{Name: ct, DefaultLength: 0, DefaultLength2: 0}
} else {
return nil, nil, fmt.Errorf("Unknown colType %v for %v - %v", ct, tableName, col.Name)
}
}
if col.SQLType.IsText() || col.SQLType.IsTime() {
if col.Default != "" {
col.Default = "'" + col.Default + "'"
} else {
if col.DefaultIsEmpty {
col.Default = "''"
}
}
}
cols[col.Name] = col
colSeq = append(colSeq, col.Name)
}
return colSeq, cols, nil
}
func (db *mssql) GetTables() ([]*core.Table, error) {
args := []interface{}{}
s := `select name from sysobjects where xtype ='U'`
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, err
}
defer rows.Close()
tables := make([]*core.Table, 0)
for rows.Next() {
table := core.NewEmptyTable()
var name string
err = rows.Scan(&name)
if err != nil {
return nil, err
}
table.Name = strings.Trim(name, "` ")
tables = append(tables, table)
}
return tables, nil
}
func (db *mssql) GetIndexes(tableName string) (map[string]*core.Index, error) {
args := []interface{}{tableName}
s := `SELECT
IXS.NAME AS [INDEX_NAME],
C.NAME AS [COLUMN_NAME],
IXS.is_unique AS [IS_UNIQUE]
FROM SYS.INDEXES IXS
INNER JOIN SYS.INDEX_COLUMNS IXCS
ON IXS.OBJECT_ID=IXCS.OBJECT_ID AND IXS.INDEX_ID = IXCS.INDEX_ID
INNER JOIN SYS.COLUMNS C ON IXS.OBJECT_ID=C.OBJECT_ID
AND IXCS.COLUMN_ID=C.COLUMN_ID
WHERE IXS.TYPE_DESC='NONCLUSTERED' and OBJECT_NAME(IXS.OBJECT_ID) =?
`
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, err
}
defer rows.Close()
indexes := make(map[string]*core.Index, 0)
for rows.Next() {
var indexType int
var indexName, colName, isUnique string
err = rows.Scan(&indexName, &colName, &isUnique)
if err != nil {
return nil, err
}
i, err := strconv.ParseBool(isUnique)
if err != nil {
return nil, err
}
if i {
indexType = core.UniqueType
} else {
indexType = core.IndexType
}
colName = strings.Trim(colName, "` ")
var isRegular bool
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
indexName = indexName[5+len(tableName):]
isRegular = true
}
var index *core.Index
var ok bool
if index, ok = indexes[indexName]; !ok {
index = new(core.Index)
index.Type = indexType
index.Name = indexName
index.IsRegular = isRegular
indexes[indexName] = index
}
index.AddColumn(colName)
}
return indexes, nil
}
func (db *mssql) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
var sql string
if tableName == "" {
tableName = table.Name
}
sql = "IF NOT EXISTS (SELECT [name] FROM sys.tables WHERE [name] = '" + tableName + "' ) CREATE TABLE "
sql += db.QuoteStr() + tableName + db.QuoteStr() + " ("
pkList := table.PrimaryKeys
for _, colName := range table.ColumnsSeq() {
col := table.GetColumn(colName)
if col.IsPrimaryKey && len(pkList) == 1 {
sql += col.String(db)
} else {
sql += col.StringNoPk(db)
}
sql = strings.TrimSpace(sql)
sql += ", "
}
if len(pkList) > 1 {
sql += "PRIMARY KEY ( "
sql += strings.Join(pkList, ",")
sql += " ), "
}
sql = sql[:len(sql)-2] + ")"
sql += ";"
return sql
}
func (db *mssql) ForUpdateSql(query string) string {
return query
}
func (db *mssql) Filters() []core.Filter {
return []core.Filter{&core.IdFilter{}, &core.QuoteFilter{}}
}
type odbcDriver struct {
}
func (p *odbcDriver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
kv := strings.Split(dataSourceName, ";")
var dbName string
for _, c := range kv {
vv := strings.Split(strings.TrimSpace(c), "=")
if len(vv) == 2 {
switch strings.ToLower(vv[0]) {
case "database":
dbName = vv[1]
}
}
}
if dbName == "" {
return nil, errors.New("no db name provided")
}
return &core.Uri{DbName: dbName, DbType: core.MSSQL}, nil
}

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vendor/github.com/go-xorm/xorm/dialect_mysql.go generated vendored Normal file
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@ -0,0 +1,582 @@
// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"crypto/tls"
"errors"
"fmt"
"regexp"
"strconv"
"strings"
"time"
"github.com/go-xorm/core"
)
var (
mysqlReservedWords = map[string]bool{
"ADD": true,
"ALL": true,
"ALTER": true,
"ANALYZE": true,
"AND": true,
"AS": true,
"ASC": true,
"ASENSITIVE": true,
"BEFORE": true,
"BETWEEN": true,
"BIGINT": true,
"BINARY": true,
"BLOB": true,
"BOTH": true,
"BY": true,
"CALL": true,
"CASCADE": true,
"CASE": true,
"CHANGE": true,
"CHAR": true,
"CHARACTER": true,
"CHECK": true,
"COLLATE": true,
"COLUMN": true,
"CONDITION": true,
"CONNECTION": true,
"CONSTRAINT": true,
"CONTINUE": true,
"CONVERT": true,
"CREATE": true,
"CROSS": true,
"CURRENT_DATE": true,
"CURRENT_TIME": true,
"CURRENT_TIMESTAMP": true,
"CURRENT_USER": true,
"CURSOR": true,
"DATABASE": true,
"DATABASES": true,
"DAY_HOUR": true,
"DAY_MICROSECOND": true,
"DAY_MINUTE": true,
"DAY_SECOND": true,
"DEC": true,
"DECIMAL": true,
"DECLARE": true,
"DEFAULT": true,
"DELAYED": true,
"DELETE": true,
"DESC": true,
"DESCRIBE": true,
"DETERMINISTIC": true,
"DISTINCT": true,
"DISTINCTROW": true,
"DIV": true,
"DOUBLE": true,
"DROP": true,
"DUAL": true,
"EACH": true,
"ELSE": true,
"ELSEIF": true,
"ENCLOSED": true,
"ESCAPED": true,
"EXISTS": true,
"EXIT": true,
"EXPLAIN": true,
"FALSE": true,
"FETCH": true,
"FLOAT": true,
"FLOAT4": true,
"FLOAT8": true,
"FOR": true,
"FORCE": true,
"FOREIGN": true,
"FROM": true,
"FULLTEXT": true,
"GOTO": true,
"GRANT": true,
"GROUP": true,
"HAVING": true,
"HIGH_PRIORITY": true,
"HOUR_MICROSECOND": true,
"HOUR_MINUTE": true,
"HOUR_SECOND": true,
"IF": true,
"IGNORE": true,
"IN": true, "INDEX": true,
"INFILE": true, "INNER": true, "INOUT": true,
"INSENSITIVE": true, "INSERT": true, "INT": true,
"INT1": true, "INT2": true, "INT3": true,
"INT4": true, "INT8": true, "INTEGER": true,
"INTERVAL": true, "INTO": true, "IS": true,
"ITERATE": true, "JOIN": true, "KEY": true,
"KEYS": true, "KILL": true, "LABEL": true,
"LEADING": true, "LEAVE": true, "LEFT": true,
"LIKE": true, "LIMIT": true, "LINEAR": true,
"LINES": true, "LOAD": true, "LOCALTIME": true,
"LOCALTIMESTAMP": true, "LOCK": true, "LONG": true,
"LONGBLOB": true, "LONGTEXT": true, "LOOP": true,
"LOW_PRIORITY": true, "MATCH": true, "MEDIUMBLOB": true,
"MEDIUMINT": true, "MEDIUMTEXT": true, "MIDDLEINT": true,
"MINUTE_MICROSECOND": true, "MINUTE_SECOND": true, "MOD": true,
"MODIFIES": true, "NATURAL": true, "NOT": true,
"NO_WRITE_TO_BINLOG": true, "NULL": true, "NUMERIC": true,
"ON OPTIMIZE": true, "OPTION": true,
"OPTIONALLY": true, "OR": true, "ORDER": true,
"OUT": true, "OUTER": true, "OUTFILE": true,
"PRECISION": true, "PRIMARY": true, "PROCEDURE": true,
"PURGE": true, "RAID0": true, "RANGE": true,
"READ": true, "READS": true, "REAL": true,
"REFERENCES": true, "REGEXP": true, "RELEASE": true,
"RENAME": true, "REPEAT": true, "REPLACE": true,
"REQUIRE": true, "RESTRICT": true, "RETURN": true,
"REVOKE": true, "RIGHT": true, "RLIKE": true,
"SCHEMA": true, "SCHEMAS": true, "SECOND_MICROSECOND": true,
"SELECT": true, "SENSITIVE": true, "SEPARATOR": true,
"SET": true, "SHOW": true, "SMALLINT": true,
"SPATIAL": true, "SPECIFIC": true, "SQL": true,
"SQLEXCEPTION": true, "SQLSTATE": true, "SQLWARNING": true,
"SQL_BIG_RESULT": true, "SQL_CALC_FOUND_ROWS": true, "SQL_SMALL_RESULT": true,
"SSL": true, "STARTING": true, "STRAIGHT_JOIN": true,
"TABLE": true, "TERMINATED": true, "THEN": true,
"TINYBLOB": true, "TINYINT": true, "TINYTEXT": true,
"TO": true, "TRAILING": true, "TRIGGER": true,
"TRUE": true, "UNDO": true, "UNION": true,
"UNIQUE": true, "UNLOCK": true, "UNSIGNED": true,
"UPDATE": true, "USAGE": true, "USE": true,
"USING": true, "UTC_DATE": true, "UTC_TIME": true,
"UTC_TIMESTAMP": true, "VALUES": true, "VARBINARY": true,
"VARCHAR": true,
"VARCHARACTER": true,
"VARYING": true,
"WHEN": true,
"WHERE": true,
"WHILE": true,
"WITH": true,
"WRITE": true,
"X509": true,
"XOR": true,
"YEAR_MONTH": true,
"ZEROFILL": true,
}
)
type mysql struct {
core.Base
net string
addr string
params map[string]string
loc *time.Location
timeout time.Duration
tls *tls.Config
allowAllFiles bool
allowOldPasswords bool
clientFoundRows bool
}
func (db *mysql) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
return db.Base.Init(d, db, uri, drivername, dataSourceName)
}
func (db *mysql) SqlType(c *core.Column) string {
var res string
switch t := c.SQLType.Name; t {
case core.Bool:
res = core.TinyInt
c.Length = 1
case core.Serial:
c.IsAutoIncrement = true
c.IsPrimaryKey = true
c.Nullable = false
res = core.Int
case core.BigSerial:
c.IsAutoIncrement = true
c.IsPrimaryKey = true
c.Nullable = false
res = core.BigInt
case core.Bytea:
res = core.Blob
case core.TimeStampz:
res = core.Char
c.Length = 64
case core.Enum: //mysql enum
res = core.Enum
res += "("
opts := ""
for v := range c.EnumOptions {
opts += fmt.Sprintf(",'%v'", v)
}
res += strings.TrimLeft(opts, ",")
res += ")"
case core.Set: //mysql set
res = core.Set
res += "("
opts := ""
for v := range c.SetOptions {
opts += fmt.Sprintf(",'%v'", v)
}
res += strings.TrimLeft(opts, ",")
res += ")"
case core.NVarchar:
res = core.Varchar
case core.Uuid:
res = core.Varchar
c.Length = 40
case core.Json:
res = core.Text
default:
res = t
}
hasLen1 := (c.Length > 0)
hasLen2 := (c.Length2 > 0)
if res == core.BigInt && !hasLen1 && !hasLen2 {
c.Length = 20
hasLen1 = true
}
if hasLen2 {
res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
} else if hasLen1 {
res += "(" + strconv.Itoa(c.Length) + ")"
}
return res
}
func (db *mysql) SupportInsertMany() bool {
return true
}
func (db *mysql) IsReserved(name string) bool {
_, ok := mysqlReservedWords[name]
return ok
}
func (db *mysql) Quote(name string) string {
return "`" + name + "`"
}
func (db *mysql) QuoteStr() string {
return "`"
}
func (db *mysql) SupportEngine() bool {
return true
}
func (db *mysql) AutoIncrStr() string {
return "AUTO_INCREMENT"
}
func (db *mysql) SupportCharset() bool {
return true
}
func (db *mysql) IndexOnTable() bool {
return true
}
func (db *mysql) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
args := []interface{}{db.DbName, tableName, idxName}
sql := "SELECT `INDEX_NAME` FROM `INFORMATION_SCHEMA`.`STATISTICS`"
sql += " WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `INDEX_NAME`=?"
return sql, args
}
/*func (db *mysql) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
args := []interface{}{db.DbName, tableName, colName}
sql := "SELECT `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `COLUMN_NAME` = ?"
return sql, args
}*/
func (db *mysql) TableCheckSql(tableName string) (string, []interface{}) {
args := []interface{}{db.DbName, tableName}
sql := "SELECT `TABLE_NAME` from `INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=? and `TABLE_NAME`=?"
return sql, args
}
func (db *mysql) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
args := []interface{}{db.DbName, tableName}
s := "SELECT `COLUMN_NAME`, `IS_NULLABLE`, `COLUMN_DEFAULT`, `COLUMN_TYPE`," +
" `COLUMN_KEY`, `EXTRA`,`COLUMN_COMMENT` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, nil, err
}
defer rows.Close()
cols := make(map[string]*core.Column)
colSeq := make([]string, 0)
for rows.Next() {
col := new(core.Column)
col.Indexes = make(map[string]int)
var columnName, isNullable, colType, colKey, extra, comment string
var colDefault *string
err = rows.Scan(&columnName, &isNullable, &colDefault, &colType, &colKey, &extra, &comment)
if err != nil {
return nil, nil, err
}
col.Name = strings.Trim(columnName, "` ")
col.Comment = comment
if "YES" == isNullable {
col.Nullable = true
}
if colDefault != nil {
col.Default = *colDefault
if col.Default == "" {
col.DefaultIsEmpty = true
}
}
cts := strings.Split(colType, "(")
colName := cts[0]
colType = strings.ToUpper(colName)
var len1, len2 int
if len(cts) == 2 {
idx := strings.Index(cts[1], ")")
if colType == core.Enum && cts[1][0] == '\'' { //enum
options := strings.Split(cts[1][0:idx], ",")
col.EnumOptions = make(map[string]int)
for k, v := range options {
v = strings.TrimSpace(v)
v = strings.Trim(v, "'")
col.EnumOptions[v] = k
}
} else if colType == core.Set && cts[1][0] == '\'' {
options := strings.Split(cts[1][0:idx], ",")
col.SetOptions = make(map[string]int)
for k, v := range options {
v = strings.TrimSpace(v)
v = strings.Trim(v, "'")
col.SetOptions[v] = k
}
} else {
lens := strings.Split(cts[1][0:idx], ",")
len1, err = strconv.Atoi(strings.TrimSpace(lens[0]))
if err != nil {
return nil, nil, err
}
if len(lens) == 2 {
len2, err = strconv.Atoi(lens[1])
if err != nil {
return nil, nil, err
}
}
}
}
if colType == "FLOAT UNSIGNED" {
colType = "FLOAT"
}
col.Length = len1
col.Length2 = len2
if _, ok := core.SqlTypes[colType]; ok {
col.SQLType = core.SQLType{Name: colType, DefaultLength: len1, DefaultLength2: len2}
} else {
return nil, nil, fmt.Errorf("Unknown colType %v", colType)
}
if colKey == "PRI" {
col.IsPrimaryKey = true
}
if colKey == "UNI" {
//col.is
}
if extra == "auto_increment" {
col.IsAutoIncrement = true
}
if col.SQLType.IsText() || col.SQLType.IsTime() {
if col.Default != "" {
col.Default = "'" + col.Default + "'"
} else {
if col.DefaultIsEmpty {
col.Default = "''"
}
}
}
cols[col.Name] = col
colSeq = append(colSeq, col.Name)
}
return colSeq, cols, nil
}
func (db *mysql) GetTables() ([]*core.Table, error) {
args := []interface{}{db.DbName}
s := "SELECT `TABLE_NAME`, `ENGINE`, `TABLE_ROWS`, `AUTO_INCREMENT`, `TABLE_COMMENT` from " +
"`INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=? AND (`ENGINE`='MyISAM' OR `ENGINE` = 'InnoDB' OR `ENGINE` = 'TokuDB')"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, err
}
defer rows.Close()
tables := make([]*core.Table, 0)
for rows.Next() {
table := core.NewEmptyTable()
var name, engine, tableRows, comment string
var autoIncr *string
err = rows.Scan(&name, &engine, &tableRows, &autoIncr, &comment)
if err != nil {
return nil, err
}
table.Name = name
table.Comment = comment
table.StoreEngine = engine
tables = append(tables, table)
}
return tables, nil
}
func (db *mysql) GetIndexes(tableName string) (map[string]*core.Index, error) {
args := []interface{}{db.DbName, tableName}
s := "SELECT `INDEX_NAME`, `NON_UNIQUE`, `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, err
}
defer rows.Close()
indexes := make(map[string]*core.Index, 0)
for rows.Next() {
var indexType int
var indexName, colName, nonUnique string
err = rows.Scan(&indexName, &nonUnique, &colName)
if err != nil {
return nil, err
}
if indexName == "PRIMARY" {
continue
}
if "YES" == nonUnique || nonUnique == "1" {
indexType = core.IndexType
} else {
indexType = core.UniqueType
}
colName = strings.Trim(colName, "` ")
var isRegular bool
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
indexName = indexName[5+len(tableName):]
isRegular = true
}
var index *core.Index
var ok bool
if index, ok = indexes[indexName]; !ok {
index = new(core.Index)
index.IsRegular = isRegular
index.Type = indexType
index.Name = indexName
indexes[indexName] = index
}
index.AddColumn(colName)
}
return indexes, nil
}
func (db *mysql) Filters() []core.Filter {
return []core.Filter{&core.IdFilter{}}
}
type mymysqlDriver struct {
}
func (p *mymysqlDriver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
db := &core.Uri{DbType: core.MYSQL}
pd := strings.SplitN(dataSourceName, "*", 2)
if len(pd) == 2 {
// Parse protocol part of URI
p := strings.SplitN(pd[0], ":", 2)
if len(p) != 2 {
return nil, errors.New("Wrong protocol part of URI")
}
db.Proto = p[0]
options := strings.Split(p[1], ",")
db.Raddr = options[0]
for _, o := range options[1:] {
kv := strings.SplitN(o, "=", 2)
var k, v string
if len(kv) == 2 {
k, v = kv[0], kv[1]
} else {
k, v = o, "true"
}
switch k {
case "laddr":
db.Laddr = v
case "timeout":
to, err := time.ParseDuration(v)
if err != nil {
return nil, err
}
db.Timeout = to
default:
return nil, errors.New("Unknown option: " + k)
}
}
// Remove protocol part
pd = pd[1:]
}
// Parse database part of URI
dup := strings.SplitN(pd[0], "/", 3)
if len(dup) != 3 {
return nil, errors.New("Wrong database part of URI")
}
db.DbName = dup[0]
db.User = dup[1]
db.Passwd = dup[2]
return db, nil
}
type mysqlDriver struct {
}
func (p *mysqlDriver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
dsnPattern := regexp.MustCompile(
`^(?:(?P<user>.*?)(?::(?P<passwd>.*))?@)?` + // [user[:password]@]
`(?:(?P<net>[^\(]*)(?:\((?P<addr>[^\)]*)\))?)?` + // [net[(addr)]]
`\/(?P<dbname>.*?)` + // /dbname
`(?:\?(?P<params>[^\?]*))?$`) // [?param1=value1&paramN=valueN]
matches := dsnPattern.FindStringSubmatch(dataSourceName)
//tlsConfigRegister := make(map[string]*tls.Config)
names := dsnPattern.SubexpNames()
uri := &core.Uri{DbType: core.MYSQL}
for i, match := range matches {
switch names[i] {
case "dbname":
uri.DbName = match
case "params":
if len(match) > 0 {
kvs := strings.Split(match, "&")
for _, kv := range kvs {
splits := strings.Split(kv, "=")
if len(splits) == 2 {
switch splits[0] {
case "charset":
uri.Charset = splits[1]
}
}
}
}
}
}
return uri, nil
}

906
vendor/github.com/go-xorm/xorm/dialect_oracle.go generated vendored Normal file
View File

@ -0,0 +1,906 @@
// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"errors"
"fmt"
"regexp"
"strconv"
"strings"
"github.com/go-xorm/core"
)
var (
oracleReservedWords = map[string]bool{
"ACCESS": true,
"ACCOUNT": true,
"ACTIVATE": true,
"ADD": true,
"ADMIN": true,
"ADVISE": true,
"AFTER": true,
"ALL": true,
"ALL_ROWS": true,
"ALLOCATE": true,
"ALTER": true,
"ANALYZE": true,
"AND": true,
"ANY": true,
"ARCHIVE": true,
"ARCHIVELOG": true,
"ARRAY": true,
"AS": true,
"ASC": true,
"AT": true,
"AUDIT": true,
"AUTHENTICATED": true,
"AUTHORIZATION": true,
"AUTOEXTEND": true,
"AUTOMATIC": true,
"BACKUP": true,
"BECOME": true,
"BEFORE": true,
"BEGIN": true,
"BETWEEN": true,
"BFILE": true,
"BITMAP": true,
"BLOB": true,
"BLOCK": true,
"BODY": true,
"BY": true,
"CACHE": true,
"CACHE_INSTANCES": true,
"CANCEL": true,
"CASCADE": true,
"CAST": true,
"CFILE": true,
"CHAINED": true,
"CHANGE": true,
"CHAR": true,
"CHAR_CS": true,
"CHARACTER": true,
"CHECK": true,
"CHECKPOINT": true,
"CHOOSE": true,
"CHUNK": true,
"CLEAR": true,
"CLOB": true,
"CLONE": true,
"CLOSE": true,
"CLOSE_CACHED_OPEN_CURSORS": true,
"CLUSTER": true,
"COALESCE": true,
"COLUMN": true,
"COLUMNS": true,
"COMMENT": true,
"COMMIT": true,
"COMMITTED": true,
"COMPATIBILITY": true,
"COMPILE": true,
"COMPLETE": true,
"COMPOSITE_LIMIT": true,
"COMPRESS": true,
"COMPUTE": true,
"CONNECT": true,
"CONNECT_TIME": true,
"CONSTRAINT": true,
"CONSTRAINTS": true,
"CONTENTS": true,
"CONTINUE": true,
"CONTROLFILE": true,
"CONVERT": true,
"COST": true,
"CPU_PER_CALL": true,
"CPU_PER_SESSION": true,
"CREATE": true,
"CURRENT": true,
"CURRENT_SCHEMA": true,
"CURREN_USER": true,
"CURSOR": true,
"CYCLE": true,
"DANGLING": true,
"DATABASE": true,
"DATAFILE": true,
"DATAFILES": true,
"DATAOBJNO": true,
"DATE": true,
"DBA": true,
"DBHIGH": true,
"DBLOW": true,
"DBMAC": true,
"DEALLOCATE": true,
"DEBUG": true,
"DEC": true,
"DECIMAL": true,
"DECLARE": true,
"DEFAULT": true,
"DEFERRABLE": true,
"DEFERRED": true,
"DEGREE": true,
"DELETE": true,
"DEREF": true,
"DESC": true,
"DIRECTORY": true,
"DISABLE": true,
"DISCONNECT": true,
"DISMOUNT": true,
"DISTINCT": true,
"DISTRIBUTED": true,
"DML": true,
"DOUBLE": true,
"DROP": true,
"DUMP": true,
"EACH": true,
"ELSE": true,
"ENABLE": true,
"END": true,
"ENFORCE": true,
"ENTRY": true,
"ESCAPE": true,
"EXCEPT": true,
"EXCEPTIONS": true,
"EXCHANGE": true,
"EXCLUDING": true,
"EXCLUSIVE": true,
"EXECUTE": true,
"EXISTS": true,
"EXPIRE": true,
"EXPLAIN": true,
"EXTENT": true,
"EXTENTS": true,
"EXTERNALLY": true,
"FAILED_LOGIN_ATTEMPTS": true,
"FALSE": true,
"FAST": true,
"FILE": true,
"FIRST_ROWS": true,
"FLAGGER": true,
"FLOAT": true,
"FLOB": true,
"FLUSH": true,
"FOR": true,
"FORCE": true,
"FOREIGN": true,
"FREELIST": true,
"FREELISTS": true,
"FROM": true,
"FULL": true,
"FUNCTION": true,
"GLOBAL": true,
"GLOBALLY": true,
"GLOBAL_NAME": true,
"GRANT": true,
"GROUP": true,
"GROUPS": true,
"HASH": true,
"HASHKEYS": true,
"HAVING": true,
"HEADER": true,
"HEAP": true,
"IDENTIFIED": true,
"IDGENERATORS": true,
"IDLE_TIME": true,
"IF": true,
"IMMEDIATE": true,
"IN": true,
"INCLUDING": true,
"INCREMENT": true,
"INDEX": true,
"INDEXED": true,
"INDEXES": true,
"INDICATOR": true,
"IND_PARTITION": true,
"INITIAL": true,
"INITIALLY": true,
"INITRANS": true,
"INSERT": true,
"INSTANCE": true,
"INSTANCES": true,
"INSTEAD": true,
"INT": true,
"INTEGER": true,
"INTERMEDIATE": true,
"INTERSECT": true,
"INTO": true,
"IS": true,
"ISOLATION": true,
"ISOLATION_LEVEL": true,
"KEEP": true,
"KEY": true,
"KILL": true,
"LABEL": true,
"LAYER": true,
"LESS": true,
"LEVEL": true,
"LIBRARY": true,
"LIKE": true,
"LIMIT": true,
"LINK": true,
"LIST": true,
"LOB": true,
"LOCAL": true,
"LOCK": true,
"LOCKED": true,
"LOG": true,
"LOGFILE": true,
"LOGGING": true,
"LOGICAL_READS_PER_CALL": true,
"LOGICAL_READS_PER_SESSION": true,
"LONG": true,
"MANAGE": true,
"MASTER": true,
"MAX": true,
"MAXARCHLOGS": true,
"MAXDATAFILES": true,
"MAXEXTENTS": true,
"MAXINSTANCES": true,
"MAXLOGFILES": true,
"MAXLOGHISTORY": true,
"MAXLOGMEMBERS": true,
"MAXSIZE": true,
"MAXTRANS": true,
"MAXVALUE": true,
"MIN": true,
"MEMBER": true,
"MINIMUM": true,
"MINEXTENTS": true,
"MINUS": true,
"MINVALUE": true,
"MLSLABEL": true,
"MLS_LABEL_FORMAT": true,
"MODE": true,
"MODIFY": true,
"MOUNT": true,
"MOVE": true,
"MTS_DISPATCHERS": true,
"MULTISET": true,
"NATIONAL": true,
"NCHAR": true,
"NCHAR_CS": true,
"NCLOB": true,
"NEEDED": true,
"NESTED": true,
"NETWORK": true,
"NEW": true,
"NEXT": true,
"NOARCHIVELOG": true,
"NOAUDIT": true,
"NOCACHE": true,
"NOCOMPRESS": true,
"NOCYCLE": true,
"NOFORCE": true,
"NOLOGGING": true,
"NOMAXVALUE": true,
"NOMINVALUE": true,
"NONE": true,
"NOORDER": true,
"NOOVERRIDE": true,
"NOPARALLEL": true,
"NOREVERSE": true,
"NORMAL": true,
"NOSORT": true,
"NOT": true,
"NOTHING": true,
"NOWAIT": true,
"NULL": true,
"NUMBER": true,
"NUMERIC": true,
"NVARCHAR2": true,
"OBJECT": true,
"OBJNO": true,
"OBJNO_REUSE": true,
"OF": true,
"OFF": true,
"OFFLINE": true,
"OID": true,
"OIDINDEX": true,
"OLD": true,
"ON": true,
"ONLINE": true,
"ONLY": true,
"OPCODE": true,
"OPEN": true,
"OPTIMAL": true,
"OPTIMIZER_GOAL": true,
"OPTION": true,
"OR": true,
"ORDER": true,
"ORGANIZATION": true,
"OSLABEL": true,
"OVERFLOW": true,
"OWN": true,
"PACKAGE": true,
"PARALLEL": true,
"PARTITION": true,
"PASSWORD": true,
"PASSWORD_GRACE_TIME": true,
"PASSWORD_LIFE_TIME": true,
"PASSWORD_LOCK_TIME": true,
"PASSWORD_REUSE_MAX": true,
"PASSWORD_REUSE_TIME": true,
"PASSWORD_VERIFY_FUNCTION": true,
"PCTFREE": true,
"PCTINCREASE": true,
"PCTTHRESHOLD": true,
"PCTUSED": true,
"PCTVERSION": true,
"PERCENT": true,
"PERMANENT": true,
"PLAN": true,
"PLSQL_DEBUG": true,
"POST_TRANSACTION": true,
"PRECISION": true,
"PRESERVE": true,
"PRIMARY": true,
"PRIOR": true,
"PRIVATE": true,
"PRIVATE_SGA": true,
"PRIVILEGE": true,
"PRIVILEGES": true,
"PROCEDURE": true,
"PROFILE": true,
"PUBLIC": true,
"PURGE": true,
"QUEUE": true,
"QUOTA": true,
"RANGE": true,
"RAW": true,
"RBA": true,
"READ": true,
"READUP": true,
"REAL": true,
"REBUILD": true,
"RECOVER": true,
"RECOVERABLE": true,
"RECOVERY": true,
"REF": true,
"REFERENCES": true,
"REFERENCING": true,
"REFRESH": true,
"RENAME": true,
"REPLACE": true,
"RESET": true,
"RESETLOGS": true,
"RESIZE": true,
"RESOURCE": true,
"RESTRICTED": true,
"RETURN": true,
"RETURNING": true,
"REUSE": true,
"REVERSE": true,
"REVOKE": true,
"ROLE": true,
"ROLES": true,
"ROLLBACK": true,
"ROW": true,
"ROWID": true,
"ROWNUM": true,
"ROWS": true,
"RULE": true,
"SAMPLE": true,
"SAVEPOINT": true,
"SB4": true,
"SCAN_INSTANCES": true,
"SCHEMA": true,
"SCN": true,
"SCOPE": true,
"SD_ALL": true,
"SD_INHIBIT": true,
"SD_SHOW": true,
"SEGMENT": true,
"SEG_BLOCK": true,
"SEG_FILE": true,
"SELECT": true,
"SEQUENCE": true,
"SERIALIZABLE": true,
"SESSION": true,
"SESSION_CACHED_CURSORS": true,
"SESSIONS_PER_USER": true,
"SET": true,
"SHARE": true,
"SHARED": true,
"SHARED_POOL": true,
"SHRINK": true,
"SIZE": true,
"SKIP": true,
"SKIP_UNUSABLE_INDEXES": true,
"SMALLINT": true,
"SNAPSHOT": true,
"SOME": true,
"SORT": true,
"SPECIFICATION": true,
"SPLIT": true,
"SQL_TRACE": true,
"STANDBY": true,
"START": true,
"STATEMENT_ID": true,
"STATISTICS": true,
"STOP": true,
"STORAGE": true,
"STORE": true,
"STRUCTURE": true,
"SUCCESSFUL": true,
"SWITCH": true,
"SYS_OP_ENFORCE_NOT_NULL$": true,
"SYS_OP_NTCIMG$": true,
"SYNONYM": true,
"SYSDATE": true,
"SYSDBA": true,
"SYSOPER": true,
"SYSTEM": true,
"TABLE": true,
"TABLES": true,
"TABLESPACE": true,
"TABLESPACE_NO": true,
"TABNO": true,
"TEMPORARY": true,
"THAN": true,
"THE": true,
"THEN": true,
"THREAD": true,
"TIMESTAMP": true,
"TIME": true,
"TO": true,
"TOPLEVEL": true,
"TRACE": true,
"TRACING": true,
"TRANSACTION": true,
"TRANSITIONAL": true,
"TRIGGER": true,
"TRIGGERS": true,
"TRUE": true,
"TRUNCATE": true,
"TX": true,
"TYPE": true,
"UB2": true,
"UBA": true,
"UID": true,
"UNARCHIVED": true,
"UNDO": true,
"UNION": true,
"UNIQUE": true,
"UNLIMITED": true,
"UNLOCK": true,
"UNRECOVERABLE": true,
"UNTIL": true,
"UNUSABLE": true,
"UNUSED": true,
"UPDATABLE": true,
"UPDATE": true,
"USAGE": true,
"USE": true,
"USER": true,
"USING": true,
"VALIDATE": true,
"VALIDATION": true,
"VALUE": true,
"VALUES": true,
"VARCHAR": true,
"VARCHAR2": true,
"VARYING": true,
"VIEW": true,
"WHEN": true,
"WHENEVER": true,
"WHERE": true,
"WITH": true,
"WITHOUT": true,
"WORK": true,
"WRITE": true,
"WRITEDOWN": true,
"WRITEUP": true,
"XID": true,
"YEAR": true,
"ZONE": true,
}
)
type oracle struct {
core.Base
}
func (db *oracle) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
return db.Base.Init(d, db, uri, drivername, dataSourceName)
}
func (db *oracle) SqlType(c *core.Column) string {
var res string
switch t := c.SQLType.Name; t {
case core.Bit, core.TinyInt, core.SmallInt, core.MediumInt, core.Int, core.Integer, core.BigInt, core.Bool, core.Serial, core.BigSerial:
res = "NUMBER"
case core.Binary, core.VarBinary, core.Blob, core.TinyBlob, core.MediumBlob, core.LongBlob, core.Bytea:
return core.Blob
case core.Time, core.DateTime, core.TimeStamp:
res = core.TimeStamp
case core.TimeStampz:
res = "TIMESTAMP WITH TIME ZONE"
case core.Float, core.Double, core.Numeric, core.Decimal:
res = "NUMBER"
case core.Text, core.MediumText, core.LongText, core.Json:
res = "CLOB"
case core.Char, core.Varchar, core.TinyText:
res = "VARCHAR2"
default:
res = t
}
hasLen1 := (c.Length > 0)
hasLen2 := (c.Length2 > 0)
if hasLen2 {
res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
} else if hasLen1 {
res += "(" + strconv.Itoa(c.Length) + ")"
}
return res
}
func (db *oracle) AutoIncrStr() string {
return "AUTO_INCREMENT"
}
func (db *oracle) SupportInsertMany() bool {
return true
}
func (db *oracle) IsReserved(name string) bool {
_, ok := oracleReservedWords[name]
return ok
}
func (db *oracle) Quote(name string) string {
return "\"" + name + "\""
}
func (db *oracle) QuoteStr() string {
return "\""
}
func (db *oracle) SupportEngine() bool {
return false
}
func (db *oracle) SupportCharset() bool {
return false
}
func (db *oracle) SupportDropIfExists() bool {
return false
}
func (db *oracle) IndexOnTable() bool {
return false
}
func (db *oracle) DropTableSql(tableName string) string {
return fmt.Sprintf("DROP TABLE `%s`", tableName)
}
func (db *oracle) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
var sql string
sql = "CREATE TABLE "
if tableName == "" {
tableName = table.Name
}
sql += db.Quote(tableName) + " ("
pkList := table.PrimaryKeys
for _, colName := range table.ColumnsSeq() {
col := table.GetColumn(colName)
/*if col.IsPrimaryKey && len(pkList) == 1 {
sql += col.String(b.dialect)
} else {*/
sql += col.StringNoPk(db)
//}
sql = strings.TrimSpace(sql)
sql += ", "
}
if len(pkList) > 0 {
sql += "PRIMARY KEY ( "
sql += db.Quote(strings.Join(pkList, db.Quote(",")))
sql += " ), "
}
sql = sql[:len(sql)-2] + ")"
if db.SupportEngine() && storeEngine != "" {
sql += " ENGINE=" + storeEngine
}
if db.SupportCharset() {
if len(charset) == 0 {
charset = db.URI().Charset
}
if len(charset) > 0 {
sql += " DEFAULT CHARSET " + charset
}
}
return sql
}
func (db *oracle) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
args := []interface{}{tableName, idxName}
return `SELECT INDEX_NAME FROM USER_INDEXES ` +
`WHERE TABLE_NAME = :1 AND INDEX_NAME = :2`, args
}
func (db *oracle) TableCheckSql(tableName string) (string, []interface{}) {
args := []interface{}{tableName}
return `SELECT table_name FROM user_tables WHERE table_name = :1`, args
}
func (db *oracle) MustDropTable(tableName string) error {
sql, args := db.TableCheckSql(tableName)
db.LogSQL(sql, args)
rows, err := db.DB().Query(sql, args...)
if err != nil {
return err
}
defer rows.Close()
if !rows.Next() {
return nil
}
sql = "Drop Table \"" + tableName + "\""
db.LogSQL(sql, args)
_, err = db.DB().Exec(sql)
return err
}
/*func (db *oracle) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
args := []interface{}{strings.ToUpper(tableName), strings.ToUpper(colName)}
return "SELECT column_name FROM USER_TAB_COLUMNS WHERE table_name = ?" +
" AND column_name = ?", args
}*/
func (db *oracle) IsColumnExist(tableName, colName string) (bool, error) {
args := []interface{}{tableName, colName}
query := "SELECT column_name FROM USER_TAB_COLUMNS WHERE table_name = :1" +
" AND column_name = :2"
db.LogSQL(query, args)
rows, err := db.DB().Query(query, args...)
if err != nil {
return false, err
}
defer rows.Close()
if rows.Next() {
return true, nil
}
return false, nil
}
func (db *oracle) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
args := []interface{}{tableName}
s := "SELECT column_name,data_default,data_type,data_length,data_precision,data_scale," +
"nullable FROM USER_TAB_COLUMNS WHERE table_name = :1"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, nil, err
}
defer rows.Close()
cols := make(map[string]*core.Column)
colSeq := make([]string, 0)
for rows.Next() {
col := new(core.Column)
col.Indexes = make(map[string]int)
var colName, colDefault, nullable, dataType, dataPrecision, dataScale *string
var dataLen int
err = rows.Scan(&colName, &colDefault, &dataType, &dataLen, &dataPrecision,
&dataScale, &nullable)
if err != nil {
return nil, nil, err
}
col.Name = strings.Trim(*colName, `" `)
if colDefault != nil {
col.Default = *colDefault
col.DefaultIsEmpty = false
}
if *nullable == "Y" {
col.Nullable = true
} else {
col.Nullable = false
}
var ignore bool
var dt string
var len1, len2 int
dts := strings.Split(*dataType, "(")
dt = dts[0]
if len(dts) > 1 {
lens := strings.Split(dts[1][:len(dts[1])-1], ",")
if len(lens) > 1 {
len1, _ = strconv.Atoi(lens[0])
len2, _ = strconv.Atoi(lens[1])
} else {
len1, _ = strconv.Atoi(lens[0])
}
}
switch dt {
case "VARCHAR2":
col.SQLType = core.SQLType{Name: core.Varchar, DefaultLength: len1, DefaultLength2: len2}
case "NVARCHAR2":
col.SQLType = core.SQLType{Name: core.NVarchar, DefaultLength: len1, DefaultLength2: len2}
case "TIMESTAMP WITH TIME ZONE":
col.SQLType = core.SQLType{Name: core.TimeStampz, DefaultLength: 0, DefaultLength2: 0}
case "NUMBER":
col.SQLType = core.SQLType{Name: core.Double, DefaultLength: len1, DefaultLength2: len2}
case "LONG", "LONG RAW":
col.SQLType = core.SQLType{Name: core.Text, DefaultLength: 0, DefaultLength2: 0}
case "RAW":
col.SQLType = core.SQLType{Name: core.Binary, DefaultLength: 0, DefaultLength2: 0}
case "ROWID":
col.SQLType = core.SQLType{Name: core.Varchar, DefaultLength: 18, DefaultLength2: 0}
case "AQ$_SUBSCRIBERS":
ignore = true
default:
col.SQLType = core.SQLType{Name: strings.ToUpper(dt), DefaultLength: len1, DefaultLength2: len2}
}
if ignore {
continue
}
if _, ok := core.SqlTypes[col.SQLType.Name]; !ok {
return nil, nil, fmt.Errorf("Unknown colType %v %v", *dataType, col.SQLType)
}
col.Length = dataLen
if col.SQLType.IsText() || col.SQLType.IsTime() {
if !col.DefaultIsEmpty {
col.Default = "'" + col.Default + "'"
}
}
cols[col.Name] = col
colSeq = append(colSeq, col.Name)
}
return colSeq, cols, nil
}
func (db *oracle) GetTables() ([]*core.Table, error) {
args := []interface{}{}
s := "SELECT table_name FROM user_tables"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, err
}
defer rows.Close()
tables := make([]*core.Table, 0)
for rows.Next() {
table := core.NewEmptyTable()
err = rows.Scan(&table.Name)
if err != nil {
return nil, err
}
tables = append(tables, table)
}
return tables, nil
}
func (db *oracle) GetIndexes(tableName string) (map[string]*core.Index, error) {
args := []interface{}{tableName}
s := "SELECT t.column_name,i.uniqueness,i.index_name FROM user_ind_columns t,user_indexes i " +
"WHERE t.index_name = i.index_name and t.table_name = i.table_name and t.table_name =:1"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, err
}
defer rows.Close()
indexes := make(map[string]*core.Index, 0)
for rows.Next() {
var indexType int
var indexName, colName, uniqueness string
err = rows.Scan(&colName, &uniqueness, &indexName)
if err != nil {
return nil, err
}
indexName = strings.Trim(indexName, `" `)
var isRegular bool
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
indexName = indexName[5+len(tableName):]
isRegular = true
}
if uniqueness == "UNIQUE" {
indexType = core.UniqueType
} else {
indexType = core.IndexType
}
var index *core.Index
var ok bool
if index, ok = indexes[indexName]; !ok {
index = new(core.Index)
index.Type = indexType
index.Name = indexName
index.IsRegular = isRegular
indexes[indexName] = index
}
index.AddColumn(colName)
}
return indexes, nil
}
func (db *oracle) Filters() []core.Filter {
return []core.Filter{&core.QuoteFilter{}, &core.SeqFilter{Prefix: ":", Start: 1}, &core.IdFilter{}}
}
type goracleDriver struct {
}
func (cfg *goracleDriver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
db := &core.Uri{DbType: core.ORACLE}
dsnPattern := regexp.MustCompile(
`^(?:(?P<user>.*?)(?::(?P<passwd>.*))?@)?` + // [user[:password]@]
`(?:(?P<net>[^\(]*)(?:\((?P<addr>[^\)]*)\))?)?` + // [net[(addr)]]
`\/(?P<dbname>.*?)` + // /dbname
`(?:\?(?P<params>[^\?]*))?$`) // [?param1=value1&paramN=valueN]
matches := dsnPattern.FindStringSubmatch(dataSourceName)
//tlsConfigRegister := make(map[string]*tls.Config)
names := dsnPattern.SubexpNames()
for i, match := range matches {
switch names[i] {
case "dbname":
db.DbName = match
}
}
if db.DbName == "" {
return nil, errors.New("dbname is empty")
}
return db, nil
}
type oci8Driver struct {
}
//dataSourceName=user/password@ipv4:port/dbname
//dataSourceName=user/password@[ipv6]:port/dbname
func (p *oci8Driver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
db := &core.Uri{DbType: core.ORACLE}
dsnPattern := regexp.MustCompile(
`^(?P<user>.*)\/(?P<password>.*)@` + // user:password@
`(?P<net>.*)` + // ip:port
`\/(?P<dbname>.*)`) // dbname
matches := dsnPattern.FindStringSubmatch(dataSourceName)
names := dsnPattern.SubexpNames()
for i, match := range matches {
switch names[i] {
case "dbname":
db.DbName = match
}
}
if db.DbName == "" {
return nil, errors.New("dbname is empty")
}
return db, nil
}

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// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"database/sql"
"errors"
"fmt"
"regexp"
"strings"
"github.com/go-xorm/core"
)
var (
sqlite3ReservedWords = map[string]bool{
"ABORT": true,
"ACTION": true,
"ADD": true,
"AFTER": true,
"ALL": true,
"ALTER": true,
"ANALYZE": true,
"AND": true,
"AS": true,
"ASC": true,
"ATTACH": true,
"AUTOINCREMENT": true,
"BEFORE": true,
"BEGIN": true,
"BETWEEN": true,
"BY": true,
"CASCADE": true,
"CASE": true,
"CAST": true,
"CHECK": true,
"COLLATE": true,
"COLUMN": true,
"COMMIT": true,
"CONFLICT": true,
"CONSTRAINT": true,
"CREATE": true,
"CROSS": true,
"CURRENT_DATE": true,
"CURRENT_TIME": true,
"CURRENT_TIMESTAMP": true,
"DATABASE": true,
"DEFAULT": true,
"DEFERRABLE": true,
"DEFERRED": true,
"DELETE": true,
"DESC": true,
"DETACH": true,
"DISTINCT": true,
"DROP": true,
"EACH": true,
"ELSE": true,
"END": true,
"ESCAPE": true,
"EXCEPT": true,
"EXCLUSIVE": true,
"EXISTS": true,
"EXPLAIN": true,
"FAIL": true,
"FOR": true,
"FOREIGN": true,
"FROM": true,
"FULL": true,
"GLOB": true,
"GROUP": true,
"HAVING": true,
"IF": true,
"IGNORE": true,
"IMMEDIATE": true,
"IN": true,
"INDEX": true,
"INDEXED": true,
"INITIALLY": true,
"INNER": true,
"INSERT": true,
"INSTEAD": true,
"INTERSECT": true,
"INTO": true,
"IS": true,
"ISNULL": true,
"JOIN": true,
"KEY": true,
"LEFT": true,
"LIKE": true,
"LIMIT": true,
"MATCH": true,
"NATURAL": true,
"NO": true,
"NOT": true,
"NOTNULL": true,
"NULL": true,
"OF": true,
"OFFSET": true,
"ON": true,
"OR": true,
"ORDER": true,
"OUTER": true,
"PLAN": true,
"PRAGMA": true,
"PRIMARY": true,
"QUERY": true,
"RAISE": true,
"RECURSIVE": true,
"REFERENCES": true,
"REGEXP": true,
"REINDEX": true,
"RELEASE": true,
"RENAME": true,
"REPLACE": true,
"RESTRICT": true,
"RIGHT": true,
"ROLLBACK": true,
"ROW": true,
"SAVEPOINT": true,
"SELECT": true,
"SET": true,
"TABLE": true,
"TEMP": true,
"TEMPORARY": true,
"THEN": true,
"TO": true,
"TRANSACTI": true,
"TRIGGER": true,
"UNION": true,
"UNIQUE": true,
"UPDATE": true,
"USING": true,
"VACUUM": true,
"VALUES": true,
"VIEW": true,
"VIRTUAL": true,
"WHEN": true,
"WHERE": true,
"WITH": true,
"WITHOUT": true,
}
)
type sqlite3 struct {
core.Base
}
func (db *sqlite3) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
return db.Base.Init(d, db, uri, drivername, dataSourceName)
}
func (db *sqlite3) SqlType(c *core.Column) string {
switch t := c.SQLType.Name; t {
case core.Bool:
if c.Default == "true" {
c.Default = "1"
} else if c.Default == "false" {
c.Default = "0"
}
return core.Integer
case core.Date, core.DateTime, core.TimeStamp, core.Time:
return core.DateTime
case core.TimeStampz:
return core.Text
case core.Char, core.Varchar, core.NVarchar, core.TinyText,
core.Text, core.MediumText, core.LongText, core.Json:
return core.Text
case core.Bit, core.TinyInt, core.SmallInt, core.MediumInt, core.Int, core.Integer, core.BigInt:
return core.Integer
case core.Float, core.Double, core.Real:
return core.Real
case core.Decimal, core.Numeric:
return core.Numeric
case core.TinyBlob, core.Blob, core.MediumBlob, core.LongBlob, core.Bytea, core.Binary, core.VarBinary:
return core.Blob
case core.Serial, core.BigSerial:
c.IsPrimaryKey = true
c.IsAutoIncrement = true
c.Nullable = false
return core.Integer
default:
return t
}
}
func (db *sqlite3) FormatBytes(bs []byte) string {
return fmt.Sprintf("X'%x'", bs)
}
func (db *sqlite3) SupportInsertMany() bool {
return true
}
func (db *sqlite3) IsReserved(name string) bool {
_, ok := sqlite3ReservedWords[name]
return ok
}
func (db *sqlite3) Quote(name string) string {
return "`" + name + "`"
}
func (db *sqlite3) QuoteStr() string {
return "`"
}
func (db *sqlite3) AutoIncrStr() string {
return "AUTOINCREMENT"
}
func (db *sqlite3) SupportEngine() bool {
return false
}
func (db *sqlite3) SupportCharset() bool {
return false
}
func (db *sqlite3) IndexOnTable() bool {
return false
}
func (db *sqlite3) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
args := []interface{}{idxName}
return "SELECT name FROM sqlite_master WHERE type='index' and name = ?", args
}
func (db *sqlite3) TableCheckSql(tableName string) (string, []interface{}) {
args := []interface{}{tableName}
return "SELECT name FROM sqlite_master WHERE type='table' and name = ?", args
}
func (db *sqlite3) DropIndexSql(tableName string, index *core.Index) string {
//var unique string
quote := db.Quote
idxName := index.Name
if !strings.HasPrefix(idxName, "UQE_") &&
!strings.HasPrefix(idxName, "IDX_") {
if index.Type == core.UniqueType {
idxName = fmt.Sprintf("UQE_%v_%v", tableName, index.Name)
} else {
idxName = fmt.Sprintf("IDX_%v_%v", tableName, index.Name)
}
}
return fmt.Sprintf("DROP INDEX %v", quote(idxName))
}
func (db *sqlite3) ForUpdateSql(query string) string {
return query
}
/*func (db *sqlite3) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
args := []interface{}{tableName}
sql := "SELECT name FROM sqlite_master WHERE type='table' and name = ? and ((sql like '%`" + colName + "`%') or (sql like '%[" + colName + "]%'))"
return sql, args
}*/
func (db *sqlite3) IsColumnExist(tableName, colName string) (bool, error) {
args := []interface{}{tableName}
query := "SELECT name FROM sqlite_master WHERE type='table' and name = ? and ((sql like '%`" + colName + "`%') or (sql like '%[" + colName + "]%'))"
db.LogSQL(query, args)
rows, err := db.DB().Query(query, args...)
if err != nil {
return false, err
}
defer rows.Close()
if rows.Next() {
return true, nil
}
return false, nil
}
func (db *sqlite3) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
args := []interface{}{tableName}
s := "SELECT sql FROM sqlite_master WHERE type='table' and name = ?"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, nil, err
}
defer rows.Close()
var name string
for rows.Next() {
err = rows.Scan(&name)
if err != nil {
return nil, nil, err
}
break
}
if name == "" {
return nil, nil, errors.New("no table named " + tableName)
}
nStart := strings.Index(name, "(")
nEnd := strings.LastIndex(name, ")")
reg := regexp.MustCompile(`[^\(,\)]*(\([^\(]*\))?`)
colCreates := reg.FindAllString(name[nStart+1:nEnd], -1)
cols := make(map[string]*core.Column)
colSeq := make([]string, 0)
for _, colStr := range colCreates {
reg = regexp.MustCompile(`,\s`)
colStr = reg.ReplaceAllString(colStr, ",")
if strings.HasPrefix(strings.TrimSpace(colStr), "PRIMARY KEY") {
parts := strings.Split(strings.TrimSpace(colStr), "(")
if len(parts) == 2 {
pkCols := strings.Split(strings.TrimRight(strings.TrimSpace(parts[1]), ")"), ",")
for _, pk := range pkCols {
if col, ok := cols[strings.Trim(strings.TrimSpace(pk), "`")]; ok {
col.IsPrimaryKey = true
}
}
}
continue
}
fields := strings.Fields(strings.TrimSpace(colStr))
col := new(core.Column)
col.Indexes = make(map[string]int)
col.Nullable = true
col.DefaultIsEmpty = true
for idx, field := range fields {
if idx == 0 {
col.Name = strings.Trim(strings.Trim(field, "`[] "), `"`)
continue
} else if idx == 1 {
col.SQLType = core.SQLType{Name: field, DefaultLength: 0, DefaultLength2: 0}
}
switch field {
case "PRIMARY":
col.IsPrimaryKey = true
case "AUTOINCREMENT":
col.IsAutoIncrement = true
case "NULL":
if fields[idx-1] == "NOT" {
col.Nullable = false
} else {
col.Nullable = true
}
case "DEFAULT":
col.Default = fields[idx+1]
col.DefaultIsEmpty = false
}
}
if !col.SQLType.IsNumeric() && !col.DefaultIsEmpty {
col.Default = "'" + col.Default + "'"
}
cols[col.Name] = col
colSeq = append(colSeq, col.Name)
}
return colSeq, cols, nil
}
func (db *sqlite3) GetTables() ([]*core.Table, error) {
args := []interface{}{}
s := "SELECT name FROM sqlite_master WHERE type='table'"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, err
}
defer rows.Close()
tables := make([]*core.Table, 0)
for rows.Next() {
table := core.NewEmptyTable()
err = rows.Scan(&table.Name)
if err != nil {
return nil, err
}
if table.Name == "sqlite_sequence" {
continue
}
tables = append(tables, table)
}
return tables, nil
}
func (db *sqlite3) GetIndexes(tableName string) (map[string]*core.Index, error) {
args := []interface{}{tableName}
s := "SELECT sql FROM sqlite_master WHERE type='index' and tbl_name = ?"
db.LogSQL(s, args)
rows, err := db.DB().Query(s, args...)
if err != nil {
return nil, err
}
defer rows.Close()
indexes := make(map[string]*core.Index, 0)
for rows.Next() {
var tmpSQL sql.NullString
err = rows.Scan(&tmpSQL)
if err != nil {
return nil, err
}
if !tmpSQL.Valid {
continue
}
sql := tmpSQL.String
index := new(core.Index)
nNStart := strings.Index(sql, "INDEX")
nNEnd := strings.Index(sql, "ON")
if nNStart == -1 || nNEnd == -1 {
continue
}
indexName := strings.Trim(sql[nNStart+6:nNEnd], "` []")
var isRegular bool
if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
index.Name = indexName[5+len(tableName):]
isRegular = true
} else {
index.Name = indexName
}
if strings.HasPrefix(sql, "CREATE UNIQUE INDEX") {
index.Type = core.UniqueType
} else {
index.Type = core.IndexType
}
nStart := strings.Index(sql, "(")
nEnd := strings.Index(sql, ")")
colIndexes := strings.Split(sql[nStart+1:nEnd], ",")
index.Cols = make([]string, 0)
for _, col := range colIndexes {
index.Cols = append(index.Cols, strings.Trim(col, "` []"))
}
index.IsRegular = isRegular
indexes[index.Name] = index
}
return indexes, nil
}
func (db *sqlite3) Filters() []core.Filter {
return []core.Filter{&core.IdFilter{}}
}
type sqlite3Driver struct {
}
func (p *sqlite3Driver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
return &core.Uri{DbType: core.SQLITE, DbName: dataSourceName}, nil
}

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vendor/github.com/go-xorm/xorm/doc.go generated vendored Normal file
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// Copyright 2013 - 2016 The XORM Authors. All rights reserved.
// Use of this source code is governed by a BSD
// license that can be found in the LICENSE file.
/*
Package xorm is a simple and powerful ORM for Go.
Installation
Make sure you have installed Go 1.6+ and then:
go get github.com/go-xorm/xorm
Create Engine
Firstly, we should new an engine for a database
engine, err := xorm.NewEngine(driverName, dataSourceName)
Method NewEngine's parameters is the same as sql.Open. It depends
drivers' implementation.
Generally, one engine for an application is enough. You can set it as package variable.
Raw Methods
XORM also support raw SQL execution:
1. query a SQL string, the returned results is []map[string][]byte
results, err := engine.Query("select * from user")
2. execute a SQL string, the returned results
affected, err := engine.Exec("update user set .... where ...")
ORM Methods
There are 8 major ORM methods and many helpful methods to use to operate database.
1. Insert one or multiple records to database
affected, err := engine.Insert(&struct)
// INSERT INTO struct () values ()
affected, err := engine.Insert(&struct1, &struct2)
// INSERT INTO struct1 () values ()
// INSERT INTO struct2 () values ()
affected, err := engine.Insert(&sliceOfStruct)
// INSERT INTO struct () values (),(),()
affected, err := engine.Insert(&struct1, &sliceOfStruct2)
// INSERT INTO struct1 () values ()
// INSERT INTO struct2 () values (),(),()
2. Query one record or one variable from database
has, err := engine.Get(&user)
// SELECT * FROM user LIMIT 1
var id int64
has, err := engine.Table("user").Where("name = ?", name).Get(&id)
// SELECT id FROM user WHERE name = ? LIMIT 1
3. Query multiple records from database
var sliceOfStructs []Struct
err := engine.Find(&sliceOfStructs)
// SELECT * FROM user
var mapOfStructs = make(map[int64]Struct)
err := engine.Find(&mapOfStructs)
// SELECT * FROM user
var int64s []int64
err := engine.Table("user").Cols("id").Find(&int64s)
// SELECT id FROM user
4. Query multiple records and record by record handle, there two methods, one is Iterate,
another is Rows
err := engine.Iterate(...)
// SELECT * FROM user
rows, err := engine.Rows(...)
// SELECT * FROM user
defer rows.Close()
bean := new(Struct)
for rows.Next() {
err = rows.Scan(bean)
}
5. Update one or more records
affected, err := engine.ID(...).Update(&user)
// UPDATE user SET ...
6. Delete one or more records, Delete MUST has condition
affected, err := engine.Where(...).Delete(&user)
// DELETE FROM user Where ...
7. Count records
counts, err := engine.Count(&user)
// SELECT count(*) AS total FROM user
counts, err := engine.SQL("select count(*) FROM user").Count()
// select count(*) FROM user
8. Sum records
sumFloat64, err := engine.Sum(&user, "id")
// SELECT sum(id) from user
sumFloat64s, err := engine.Sums(&user, "id1", "id2")
// SELECT sum(id1), sum(id2) from user
sumInt64s, err := engine.SumsInt(&user, "id1", "id2")
// SELECT sum(id1), sum(id2) from user
Conditions
The above 8 methods could use with condition methods chainable.
Attention: the above 8 methods should be the last chainable method.
1. ID, In
engine.ID(1).Get(&user) // for single primary key
// SELECT * FROM user WHERE id = 1
engine.ID(core.PK{1, 2}).Get(&user) // for composite primary keys
// SELECT * FROM user WHERE id1 = 1 AND id2 = 2
engine.In("id", 1, 2, 3).Find(&users)
// SELECT * FROM user WHERE id IN (1, 2, 3)
engine.In("id", []int{1, 2, 3}).Find(&users)
// SELECT * FROM user WHERE id IN (1, 2, 3)
2. Where, And, Or
engine.Where().And().Or().Find()
// SELECT * FROM user WHERE (.. AND ..) OR ...
3. OrderBy, Asc, Desc
engine.Asc().Desc().Find()
// SELECT * FROM user ORDER BY .. ASC, .. DESC
engine.OrderBy().Find()
// SELECT * FROM user ORDER BY ..
4. Limit, Top
engine.Limit().Find()
// SELECT * FROM user LIMIT .. OFFSET ..
engine.Top(5).Find()
// SELECT TOP 5 * FROM user // for mssql
// SELECT * FROM user LIMIT .. OFFSET 0 //for other databases
5. SQL, let you custom SQL
var users []User
engine.SQL("select * from user").Find(&users)
6. Cols, Omit, Distinct
var users []*User
engine.Cols("col1, col2").Find(&users)
// SELECT col1, col2 FROM user
engine.Cols("col1", "col2").Where().Update(user)
// UPDATE user set col1 = ?, col2 = ? Where ...
engine.Omit("col1").Find(&users)
// SELECT col2, col3 FROM user
engine.Omit("col1").Insert(&user)
// INSERT INTO table (non-col1) VALUES ()
engine.Distinct("col1").Find(&users)
// SELECT DISTINCT col1 FROM user
7. Join, GroupBy, Having
engine.GroupBy("name").Having("name='xlw'").Find(&users)
//SELECT * FROM user GROUP BY name HAVING name='xlw'
engine.Join("LEFT", "userdetail", "user.id=userdetail.id").Find(&users)
//SELECT * FROM user LEFT JOIN userdetail ON user.id=userdetail.id
More usage, please visit http://xorm.io/docs
*/
package xorm

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// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"database/sql/driver"
"encoding/json"
"fmt"
"reflect"
"time"
"github.com/go-xorm/builder"
"github.com/go-xorm/core"
)
func (engine *Engine) buildConds(table *core.Table, bean interface{},
includeVersion bool, includeUpdated bool, includeNil bool,
includeAutoIncr bool, allUseBool bool, useAllCols bool, unscoped bool,
mustColumnMap map[string]bool, tableName, aliasName string, addedTableName bool) (builder.Cond, error) {
var conds []builder.Cond
for _, col := range table.Columns() {
if !includeVersion && col.IsVersion {
continue
}
if !includeUpdated && col.IsUpdated {
continue
}
if !includeAutoIncr && col.IsAutoIncrement {
continue
}
if engine.dialect.DBType() == core.MSSQL && (col.SQLType.Name == core.Text || col.SQLType.IsBlob() || col.SQLType.Name == core.TimeStampz) {
continue
}
if col.SQLType.IsJson() {
continue
}
var colName string
if addedTableName {
var nm = tableName
if len(aliasName) > 0 {
nm = aliasName
}
colName = engine.Quote(nm) + "." + engine.Quote(col.Name)
} else {
colName = engine.Quote(col.Name)
}
fieldValuePtr, err := col.ValueOf(bean)
if err != nil {
engine.logger.Error(err)
continue
}
if col.IsDeleted && !unscoped { // tag "deleted" is enabled
conds = append(conds, engine.CondDeleted(colName))
}
fieldValue := *fieldValuePtr
if fieldValue.Interface() == nil {
continue
}
fieldType := reflect.TypeOf(fieldValue.Interface())
requiredField := useAllCols
if b, ok := getFlagForColumn(mustColumnMap, col); ok {
if b {
requiredField = true
} else {
continue
}
}
if fieldType.Kind() == reflect.Ptr {
if fieldValue.IsNil() {
if includeNil {
conds = append(conds, builder.Eq{colName: nil})
}
continue
} else if !fieldValue.IsValid() {
continue
} else {
// dereference ptr type to instance type
fieldValue = fieldValue.Elem()
fieldType = reflect.TypeOf(fieldValue.Interface())
requiredField = true
}
}
var val interface{}
switch fieldType.Kind() {
case reflect.Bool:
if allUseBool || requiredField {
val = fieldValue.Interface()
} else {
// if a bool in a struct, it will not be as a condition because it default is false,
// please use Where() instead
continue
}
case reflect.String:
if !requiredField && fieldValue.String() == "" {
continue
}
// for MyString, should convert to string or panic
if fieldType.String() != reflect.String.String() {
val = fieldValue.String()
} else {
val = fieldValue.Interface()
}
case reflect.Int8, reflect.Int16, reflect.Int, reflect.Int32, reflect.Int64:
if !requiredField && fieldValue.Int() == 0 {
continue
}
val = fieldValue.Interface()
case reflect.Float32, reflect.Float64:
if !requiredField && fieldValue.Float() == 0.0 {
continue
}
val = fieldValue.Interface()
case reflect.Uint8, reflect.Uint16, reflect.Uint, reflect.Uint32, reflect.Uint64:
if !requiredField && fieldValue.Uint() == 0 {
continue
}
t := int64(fieldValue.Uint())
val = reflect.ValueOf(&t).Interface()
case reflect.Struct:
if fieldType.ConvertibleTo(core.TimeType) {
t := fieldValue.Convert(core.TimeType).Interface().(time.Time)
if !requiredField && (t.IsZero() || !fieldValue.IsValid()) {
continue
}
val = engine.formatColTime(col, t)
} else if _, ok := reflect.New(fieldType).Interface().(core.Conversion); ok {
continue
} else if valNul, ok := fieldValue.Interface().(driver.Valuer); ok {
val, _ = valNul.Value()
if val == nil {
continue
}
} else {
if col.SQLType.IsJson() {
if col.SQLType.IsText() {
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = string(bytes)
} else if col.SQLType.IsBlob() {
var bytes []byte
var err error
bytes, err = json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = bytes
}
} else {
engine.autoMapType(fieldValue)
if table, ok := engine.Tables[fieldValue.Type()]; ok {
if len(table.PrimaryKeys) == 1 {
pkField := reflect.Indirect(fieldValue).FieldByName(table.PKColumns()[0].FieldName)
// fix non-int pk issues
//if pkField.Int() != 0 {
if pkField.IsValid() && !isZero(pkField.Interface()) {
val = pkField.Interface()
} else {
continue
}
} else {
//TODO: how to handler?
return nil, fmt.Errorf("not supported %v as %v", fieldValue.Interface(), table.PrimaryKeys)
}
} else {
val = fieldValue.Interface()
}
}
}
case reflect.Array:
continue
case reflect.Slice, reflect.Map:
if fieldValue == reflect.Zero(fieldType) {
continue
}
if fieldValue.IsNil() || !fieldValue.IsValid() || fieldValue.Len() == 0 {
continue
}
if col.SQLType.IsText() {
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = string(bytes)
} else if col.SQLType.IsBlob() {
var bytes []byte
var err error
if (fieldType.Kind() == reflect.Array || fieldType.Kind() == reflect.Slice) &&
fieldType.Elem().Kind() == reflect.Uint8 {
if fieldValue.Len() > 0 {
val = fieldValue.Bytes()
} else {
continue
}
} else {
bytes, err = json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = bytes
}
} else {
continue
}
default:
val = fieldValue.Interface()
}
conds = append(conds, builder.Eq{colName: val})
}
return builder.And(conds...), nil
}

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// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.6
package xorm
import "time"
// SetConnMaxLifetime sets the maximum amount of time a connection may be reused.
func (engine *Engine) SetConnMaxLifetime(d time.Duration) {
engine.db.SetConnMaxLifetime(d)
}

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// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"errors"
)
var (
// ErrParamsType params error
ErrParamsType = errors.New("Params type error")
// ErrTableNotFound table not found error
ErrTableNotFound = errors.New("Not found table")
// ErrUnSupportedType unsupported error
ErrUnSupportedType = errors.New("Unsupported type error")
// ErrNotExist record is not exist error
ErrNotExist = errors.New("Not exist error")
// ErrCacheFailed cache failed error
ErrCacheFailed = errors.New("Cache failed")
// ErrNeedDeletedCond delete needs less one condition error
ErrNeedDeletedCond = errors.New("Delete need at least one condition")
// ErrNotImplemented not implemented
ErrNotImplemented = errors.New("Not implemented")
)

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#!/bin/bash
if [ -f $1 ];then
cat $1| awk '{printf("\""$1"\":true,\n")}'
else
echo "argument $1 if not a file!"
fi

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// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"errors"
"fmt"
"reflect"
"sort"
"strconv"
"strings"
"time"
"github.com/go-xorm/core"
)
// str2PK convert string value to primary key value according to tp
func str2PKValue(s string, tp reflect.Type) (reflect.Value, error) {
var err error
var result interface{}
var defReturn = reflect.Zero(tp)
switch tp.Kind() {
case reflect.Int:
result, err = strconv.Atoi(s)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int: %s", s, err.Error())
}
case reflect.Int8:
x, err := strconv.Atoi(s)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int8: %s", s, err.Error())
}
result = int8(x)
case reflect.Int16:
x, err := strconv.Atoi(s)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int16: %s", s, err.Error())
}
result = int16(x)
case reflect.Int32:
x, err := strconv.Atoi(s)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int32: %s", s, err.Error())
}
result = int32(x)
case reflect.Int64:
result, err = strconv.ParseInt(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int64: %s", s, err.Error())
}
case reflect.Uint:
x, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint: %s", s, err.Error())
}
result = uint(x)
case reflect.Uint8:
x, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint8: %s", s, err.Error())
}
result = uint8(x)
case reflect.Uint16:
x, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint16: %s", s, err.Error())
}
result = uint16(x)
case reflect.Uint32:
x, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint32: %s", s, err.Error())
}
result = uint32(x)
case reflect.Uint64:
result, err = strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint64: %s", s, err.Error())
}
case reflect.String:
result = s
default:
return defReturn, errors.New("unsupported convert type")
}
return reflect.ValueOf(result).Convert(tp), nil
}
func str2PK(s string, tp reflect.Type) (interface{}, error) {
v, err := str2PKValue(s, tp)
if err != nil {
return nil, err
}
return v.Interface(), nil
}
func splitTag(tag string) (tags []string) {
tag = strings.TrimSpace(tag)
var hasQuote = false
var lastIdx = 0
for i, t := range tag {
if t == '\'' {
hasQuote = !hasQuote
} else if t == ' ' {
if lastIdx < i && !hasQuote {
tags = append(tags, strings.TrimSpace(tag[lastIdx:i]))
lastIdx = i + 1
}
}
}
if lastIdx < len(tag) {
tags = append(tags, strings.TrimSpace(tag[lastIdx:]))
}
return
}
type zeroable interface {
IsZero() bool
}
func isZero(k interface{}) bool {
switch k.(type) {
case int:
return k.(int) == 0
case int8:
return k.(int8) == 0
case int16:
return k.(int16) == 0
case int32:
return k.(int32) == 0
case int64:
return k.(int64) == 0
case uint:
return k.(uint) == 0
case uint8:
return k.(uint8) == 0
case uint16:
return k.(uint16) == 0
case uint32:
return k.(uint32) == 0
case uint64:
return k.(uint64) == 0
case float32:
return k.(float32) == 0
case float64:
return k.(float64) == 0
case bool:
return k.(bool) == false
case string:
return k.(string) == ""
case zeroable:
return k.(zeroable).IsZero()
}
return false
}
func isStructZero(v reflect.Value) bool {
if !v.IsValid() {
return true
}
for i := 0; i < v.NumField(); i++ {
field := v.Field(i)
switch field.Kind() {
case reflect.Ptr:
field = field.Elem()
fallthrough
case reflect.Struct:
if !isStructZero(field) {
return false
}
default:
if field.CanInterface() && !isZero(field.Interface()) {
return false
}
}
}
return true
}
func isArrayValueZero(v reflect.Value) bool {
if !v.IsValid() || v.Len() == 0 {
return true
}
for i := 0; i < v.Len(); i++ {
if !isZero(v.Index(i).Interface()) {
return false
}
}
return true
}
func int64ToIntValue(id int64, tp reflect.Type) reflect.Value {
var v interface{}
kind := tp.Kind()
if kind == reflect.Ptr {
kind = tp.Elem().Kind()
}
switch kind {
case reflect.Int16:
temp := int16(id)
v = &temp
case reflect.Int32:
temp := int32(id)
v = &temp
case reflect.Int:
temp := int(id)
v = &temp
case reflect.Int64:
temp := id
v = &temp
case reflect.Uint16:
temp := uint16(id)
v = &temp
case reflect.Uint32:
temp := uint32(id)
v = &temp
case reflect.Uint64:
temp := uint64(id)
v = &temp
case reflect.Uint:
temp := uint(id)
v = &temp
}
if tp.Kind() == reflect.Ptr {
return reflect.ValueOf(v).Convert(tp)
}
return reflect.ValueOf(v).Elem().Convert(tp)
}
func int64ToInt(id int64, tp reflect.Type) interface{} {
return int64ToIntValue(id, tp).Interface()
}
func isPKZero(pk core.PK) bool {
for _, k := range pk {
if isZero(k) {
return true
}
}
return false
}
func indexNoCase(s, sep string) int {
return strings.Index(strings.ToLower(s), strings.ToLower(sep))
}
func splitNoCase(s, sep string) []string {
idx := indexNoCase(s, sep)
if idx < 0 {
return []string{s}
}
return strings.Split(s, s[idx:idx+len(sep)])
}
func splitNNoCase(s, sep string, n int) []string {
idx := indexNoCase(s, sep)
if idx < 0 {
return []string{s}
}
return strings.SplitN(s, s[idx:idx+len(sep)], n)
}
func makeArray(elem string, count int) []string {
res := make([]string, count)
for i := 0; i < count; i++ {
res[i] = elem
}
return res
}
func rValue(bean interface{}) reflect.Value {
return reflect.Indirect(reflect.ValueOf(bean))
}
func rType(bean interface{}) reflect.Type {
sliceValue := reflect.Indirect(reflect.ValueOf(bean))
//return reflect.TypeOf(sliceValue.Interface())
return sliceValue.Type()
}
func structName(v reflect.Type) string {
for v.Kind() == reflect.Ptr {
v = v.Elem()
}
return v.Name()
}
func col2NewCols(columns ...string) []string {
newColumns := make([]string, 0, len(columns))
for _, col := range columns {
col = strings.Replace(col, "`", "", -1)
col = strings.Replace(col, `"`, "", -1)
ccols := strings.Split(col, ",")
for _, c := range ccols {
newColumns = append(newColumns, strings.TrimSpace(c))
}
}
return newColumns
}
func sliceEq(left, right []string) bool {
if len(left) != len(right) {
return false
}
sort.Sort(sort.StringSlice(left))
sort.Sort(sort.StringSlice(right))
for i := 0; i < len(left); i++ {
if left[i] != right[i] {
return false
}
}
return true
}
func setColumnInt(bean interface{}, col *core.Column, t int64) {
v, err := col.ValueOf(bean)
if err != nil {
return
}
if v.CanSet() {
switch v.Type().Kind() {
case reflect.Int, reflect.Int64, reflect.Int32:
v.SetInt(t)
case reflect.Uint, reflect.Uint64, reflect.Uint32:
v.SetUint(uint64(t))
}
}
}
func setColumnTime(bean interface{}, col *core.Column, t time.Time) {
v, err := col.ValueOf(bean)
if err != nil {
return
}
if v.CanSet() {
switch v.Type().Kind() {
case reflect.Struct:
v.Set(reflect.ValueOf(t).Convert(v.Type()))
case reflect.Int, reflect.Int64, reflect.Int32:
v.SetInt(t.Unix())
case reflect.Uint, reflect.Uint64, reflect.Uint32:
v.SetUint(uint64(t.Unix()))
}
}
}
func genCols(table *core.Table, session *Session, bean interface{}, useCol bool, includeQuote bool) ([]string, []interface{}, error) {
colNames := make([]string, 0, len(table.ColumnsSeq()))
args := make([]interface{}, 0, len(table.ColumnsSeq()))
for _, col := range table.Columns() {
if useCol && !col.IsVersion && !col.IsCreated && !col.IsUpdated {
if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
continue
}
}
if col.MapType == core.ONLYFROMDB {
continue
}
fieldValuePtr, err := col.ValueOf(bean)
if err != nil {
return nil, nil, err
}
fieldValue := *fieldValuePtr
if col.IsAutoIncrement {
switch fieldValue.Type().Kind() {
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int, reflect.Int64:
if fieldValue.Int() == 0 {
continue
}
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint, reflect.Uint64:
if fieldValue.Uint() == 0 {
continue
}
case reflect.String:
if len(fieldValue.String()) == 0 {
continue
}
case reflect.Ptr:
if fieldValue.Pointer() == 0 {
continue
}
}
}
if col.IsDeleted {
continue
}
if session.statement.ColumnStr != "" {
if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
continue
} else if _, ok := session.statement.incrColumns[col.Name]; ok {
continue
} else if _, ok := session.statement.decrColumns[col.Name]; ok {
continue
}
}
if session.statement.OmitStr != "" {
if _, ok := getFlagForColumn(session.statement.columnMap, col); ok {
continue
}
}
// !evalphobia! set fieldValue as nil when column is nullable and zero-value
if _, ok := getFlagForColumn(session.statement.nullableMap, col); ok {
if col.Nullable && isZero(fieldValue.Interface()) {
var nilValue *int
fieldValue = reflect.ValueOf(nilValue)
}
}
if (col.IsCreated || col.IsUpdated) && session.statement.UseAutoTime /*&& isZero(fieldValue.Interface())*/ {
// if time is non-empty, then set to auto time
val, t := session.engine.nowTime(col)
args = append(args, val)
var colName = col.Name
session.afterClosures = append(session.afterClosures, func(bean interface{}) {
col := table.GetColumn(colName)
setColumnTime(bean, col, t)
})
} else if col.IsVersion && session.statement.checkVersion {
args = append(args, 1)
} else {
arg, err := session.value2Interface(col, fieldValue)
if err != nil {
return colNames, args, err
}
args = append(args, arg)
}
if includeQuote {
colNames = append(colNames, session.engine.Quote(col.Name)+" = ?")
} else {
colNames = append(colNames, col.Name)
}
}
return colNames, args, nil
}
func indexName(tableName, idxName string) string {
return fmt.Sprintf("IDX_%v_%v", tableName, idxName)
}
func getFlagForColumn(m map[string]bool, col *core.Column) (val bool, has bool) {
if len(m) == 0 {
return false, false
}
n := len(col.Name)
for mk := range m {
if len(mk) != n {
continue
}
if strings.EqualFold(mk, col.Name) {
return m[mk], true
}
}
return false, false
}

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// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import "time"
const (
zeroTime0 = "0000-00-00 00:00:00"
zeroTime1 = "0001-01-01 00:00:00"
)
func formatTime(t time.Time) string {
return t.Format("2006-01-02 15:04:05")
}
func isTimeZero(t time.Time) bool {
return t.IsZero() || formatTime(t) == zeroTime0 ||
formatTime(t) == zeroTime1
}

187
vendor/github.com/go-xorm/xorm/logger.go generated vendored Normal file
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@ -0,0 +1,187 @@
// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"fmt"
"io"
"log"
"github.com/go-xorm/core"
)
// default log options
const (
DEFAULT_LOG_PREFIX = "[xorm]"
DEFAULT_LOG_FLAG = log.Ldate | log.Lmicroseconds
DEFAULT_LOG_LEVEL = core.LOG_DEBUG
)
var _ core.ILogger = DiscardLogger{}
// DiscardLogger don't log implementation for core.ILogger
type DiscardLogger struct{}
// Debug empty implementation
func (DiscardLogger) Debug(v ...interface{}) {}
// Debugf empty implementation
func (DiscardLogger) Debugf(format string, v ...interface{}) {}
// Error empty implementation
func (DiscardLogger) Error(v ...interface{}) {}
// Errorf empty implementation
func (DiscardLogger) Errorf(format string, v ...interface{}) {}
// Info empty implementation
func (DiscardLogger) Info(v ...interface{}) {}
// Infof empty implementation
func (DiscardLogger) Infof(format string, v ...interface{}) {}
// Warn empty implementation
func (DiscardLogger) Warn(v ...interface{}) {}
// Warnf empty implementation
func (DiscardLogger) Warnf(format string, v ...interface{}) {}
// Level empty implementation
func (DiscardLogger) Level() core.LogLevel {
return core.LOG_UNKNOWN
}
// SetLevel empty implementation
func (DiscardLogger) SetLevel(l core.LogLevel) {}
// ShowSQL empty implementation
func (DiscardLogger) ShowSQL(show ...bool) {}
// IsShowSQL empty implementation
func (DiscardLogger) IsShowSQL() bool {
return false
}
// SimpleLogger is the default implment of core.ILogger
type SimpleLogger struct {
DEBUG *log.Logger
ERR *log.Logger
INFO *log.Logger
WARN *log.Logger
level core.LogLevel
showSQL bool
}
var _ core.ILogger = &SimpleLogger{}
// NewSimpleLogger use a special io.Writer as logger output
func NewSimpleLogger(out io.Writer) *SimpleLogger {
return NewSimpleLogger2(out, DEFAULT_LOG_PREFIX, DEFAULT_LOG_FLAG)
}
// NewSimpleLogger2 let you customrize your logger prefix and flag
func NewSimpleLogger2(out io.Writer, prefix string, flag int) *SimpleLogger {
return NewSimpleLogger3(out, prefix, flag, DEFAULT_LOG_LEVEL)
}
// NewSimpleLogger3 let you customrize your logger prefix and flag and logLevel
func NewSimpleLogger3(out io.Writer, prefix string, flag int, l core.LogLevel) *SimpleLogger {
return &SimpleLogger{
DEBUG: log.New(out, fmt.Sprintf("%s [debug] ", prefix), flag),
ERR: log.New(out, fmt.Sprintf("%s [error] ", prefix), flag),
INFO: log.New(out, fmt.Sprintf("%s [info] ", prefix), flag),
WARN: log.New(out, fmt.Sprintf("%s [warn] ", prefix), flag),
level: l,
}
}
// Error implement core.ILogger
func (s *SimpleLogger) Error(v ...interface{}) {
if s.level <= core.LOG_ERR {
s.ERR.Output(2, fmt.Sprint(v...))
}
return
}
// Errorf implement core.ILogger
func (s *SimpleLogger) Errorf(format string, v ...interface{}) {
if s.level <= core.LOG_ERR {
s.ERR.Output(2, fmt.Sprintf(format, v...))
}
return
}
// Debug implement core.ILogger
func (s *SimpleLogger) Debug(v ...interface{}) {
if s.level <= core.LOG_DEBUG {
s.DEBUG.Output(2, fmt.Sprint(v...))
}
return
}
// Debugf implement core.ILogger
func (s *SimpleLogger) Debugf(format string, v ...interface{}) {
if s.level <= core.LOG_DEBUG {
s.DEBUG.Output(2, fmt.Sprintf(format, v...))
}
return
}
// Info implement core.ILogger
func (s *SimpleLogger) Info(v ...interface{}) {
if s.level <= core.LOG_INFO {
s.INFO.Output(2, fmt.Sprint(v...))
}
return
}
// Infof implement core.ILogger
func (s *SimpleLogger) Infof(format string, v ...interface{}) {
if s.level <= core.LOG_INFO {
s.INFO.Output(2, fmt.Sprintf(format, v...))
}
return
}
// Warn implement core.ILogger
func (s *SimpleLogger) Warn(v ...interface{}) {
if s.level <= core.LOG_WARNING {
s.WARN.Output(2, fmt.Sprint(v...))
}
return
}
// Warnf implement core.ILogger
func (s *SimpleLogger) Warnf(format string, v ...interface{}) {
if s.level <= core.LOG_WARNING {
s.WARN.Output(2, fmt.Sprintf(format, v...))
}
return
}
// Level implement core.ILogger
func (s *SimpleLogger) Level() core.LogLevel {
return s.level
}
// SetLevel implement core.ILogger
func (s *SimpleLogger) SetLevel(l core.LogLevel) {
s.level = l
return
}
// ShowSQL implement core.ILogger
func (s *SimpleLogger) ShowSQL(show ...bool) {
if len(show) == 0 {
s.showSQL = true
return
}
s.showSQL = show[0]
}
// IsShowSQL implement core.ILogger
func (s *SimpleLogger) IsShowSQL() bool {
return s.showSQL
}

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vendor/github.com/go-xorm/xorm/pg_reserved.txt generated vendored Normal file
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@ -0,0 +1,746 @@
A non-reserved non-reserved
ABORT non-reserved
ABS reserved reserved
ABSENT non-reserved non-reserved
ABSOLUTE non-reserved non-reserved non-reserved reserved
ACCESS non-reserved
ACCORDING non-reserved non-reserved
ACTION non-reserved non-reserved non-reserved reserved
ADA non-reserved non-reserved non-reserved
ADD non-reserved non-reserved non-reserved reserved
ADMIN non-reserved non-reserved non-reserved
AFTER non-reserved non-reserved non-reserved
AGGREGATE non-reserved
ALL reserved reserved reserved reserved
ALLOCATE reserved reserved reserved
ALSO non-reserved
ALTER non-reserved reserved reserved reserved
ALWAYS non-reserved non-reserved non-reserved
ANALYSE reserved
ANALYZE reserved
AND reserved reserved reserved reserved
ANY reserved reserved reserved reserved
ARE reserved reserved reserved
ARRAY reserved reserved reserved
ARRAY_AGG reserved reserved
ARRAY_MAX_CARDINALITY reserved
AS reserved reserved reserved reserved
ASC reserved non-reserved non-reserved reserved
ASENSITIVE reserved reserved
ASSERTION non-reserved non-reserved non-reserved reserved
ASSIGNMENT non-reserved non-reserved non-reserved
ASYMMETRIC reserved reserved reserved
AT non-reserved reserved reserved reserved
ATOMIC reserved reserved
ATTRIBUTE non-reserved non-reserved non-reserved
ATTRIBUTES non-reserved non-reserved
AUTHORIZATION reserved (can be function or type) reserved reserved reserved
AVG reserved reserved reserved
BACKWARD non-reserved
BASE64 non-reserved non-reserved
BEFORE non-reserved non-reserved non-reserved
BEGIN non-reserved reserved reserved reserved
BEGIN_FRAME reserved
BEGIN_PARTITION reserved
BERNOULLI non-reserved non-reserved
BETWEEN non-reserved (cannot be function or type) reserved reserved reserved
BIGINT non-reserved (cannot be function or type) reserved reserved
BINARY reserved (can be function or type) reserved reserved
BIT non-reserved (cannot be function or type) reserved
BIT_LENGTH reserved
BLOB reserved reserved
BLOCKED non-reserved non-reserved
BOM non-reserved non-reserved
BOOLEAN non-reserved (cannot be function or type) reserved reserved
BOTH reserved reserved reserved reserved
BREADTH non-reserved non-reserved
BY non-reserved reserved reserved reserved
C non-reserved non-reserved non-reserved
CACHE non-reserved
CALL reserved reserved
CALLED non-reserved reserved reserved
CARDINALITY reserved reserved
CASCADE non-reserved non-reserved non-reserved reserved
CASCADED non-reserved reserved reserved reserved
CASE reserved reserved reserved reserved
CAST reserved reserved reserved reserved
CATALOG non-reserved non-reserved non-reserved reserved
CATALOG_NAME non-reserved non-reserved non-reserved
CEIL reserved reserved
CEILING reserved reserved
CHAIN non-reserved non-reserved non-reserved
CHAR non-reserved (cannot be function or type) reserved reserved reserved
CHARACTER non-reserved (cannot be function or type) reserved reserved reserved
CHARACTERISTICS non-reserved non-reserved non-reserved
CHARACTERS non-reserved non-reserved
CHARACTER_LENGTH reserved reserved reserved
CHARACTER_SET_CATALOG non-reserved non-reserved non-reserved
CHARACTER_SET_NAME non-reserved non-reserved non-reserved
CHARACTER_SET_SCHEMA non-reserved non-reserved non-reserved
CHAR_LENGTH reserved reserved reserved
CHECK reserved reserved reserved reserved
CHECKPOINT non-reserved
CLASS non-reserved
CLASS_ORIGIN non-reserved non-reserved non-reserved
CLOB reserved reserved
CLOSE non-reserved reserved reserved reserved
CLUSTER non-reserved
COALESCE non-reserved (cannot be function or type) reserved reserved reserved
COBOL non-reserved non-reserved non-reserved
COLLATE reserved reserved reserved reserved
COLLATION reserved (can be function or type) non-reserved non-reserved reserved
COLLATION_CATALOG non-reserved non-reserved non-reserved
COLLATION_NAME non-reserved non-reserved non-reserved
COLLATION_SCHEMA non-reserved non-reserved non-reserved
COLLECT reserved reserved
COLUMN reserved reserved reserved reserved
COLUMNS non-reserved non-reserved
COLUMN_NAME non-reserved non-reserved non-reserved
COMMAND_FUNCTION non-reserved non-reserved non-reserved
COMMAND_FUNCTION_CODE non-reserved non-reserved
COMMENT non-reserved
COMMENTS non-reserved
COMMIT non-reserved reserved reserved reserved
COMMITTED non-reserved non-reserved non-reserved non-reserved
CONCURRENTLY reserved (can be function or type)
CONDITION reserved reserved
CONDITION_NUMBER non-reserved non-reserved non-reserved
CONFIGURATION non-reserved
CONNECT reserved reserved reserved
CONNECTION non-reserved non-reserved non-reserved reserved
CONNECTION_NAME non-reserved non-reserved non-reserved
CONSTRAINT reserved reserved reserved reserved
CONSTRAINTS non-reserved non-reserved non-reserved reserved
CONSTRAINT_CATALOG non-reserved non-reserved non-reserved
CONSTRAINT_NAME non-reserved non-reserved non-reserved
CONSTRAINT_SCHEMA non-reserved non-reserved non-reserved
CONSTRUCTOR non-reserved non-reserved
CONTAINS reserved non-reserved
CONTENT non-reserved non-reserved non-reserved
CONTINUE non-reserved non-reserved non-reserved reserved
CONTROL non-reserved non-reserved
CONVERSION non-reserved
CONVERT reserved reserved reserved
COPY non-reserved
CORR reserved reserved
CORRESPONDING reserved reserved reserved
COST non-reserved
COUNT reserved reserved reserved
COVAR_POP reserved reserved
COVAR_SAMP reserved reserved
CREATE reserved reserved reserved reserved
CROSS reserved (can be function or type) reserved reserved reserved
CSV non-reserved
CUBE reserved reserved
CUME_DIST reserved reserved
CURRENT non-reserved reserved reserved reserved
CURRENT_CATALOG reserved reserved reserved
CURRENT_DATE reserved reserved reserved reserved
CURRENT_DEFAULT_TRANSFORM_GROUP reserved reserved
CURRENT_PATH reserved reserved
CURRENT_ROLE reserved reserved reserved
CURRENT_ROW reserved
CURRENT_SCHEMA reserved (can be function or type) reserved reserved
CURRENT_TIME reserved reserved reserved reserved
CURRENT_TIMESTAMP reserved reserved reserved reserved
CURRENT_TRANSFORM_GROUP_FOR_TYPE reserved reserved
CURRENT_USER reserved reserved reserved reserved
CURSOR non-reserved reserved reserved reserved
CURSOR_NAME non-reserved non-reserved non-reserved
CYCLE non-reserved reserved reserved
DATA non-reserved non-reserved non-reserved non-reserved
DATABASE non-reserved
DATALINK reserved reserved
DATE reserved reserved reserved
DATETIME_INTERVAL_CODE non-reserved non-reserved non-reserved
DATETIME_INTERVAL_PRECISION non-reserved non-reserved non-reserved
DAY non-reserved reserved reserved reserved
DB non-reserved non-reserved
DEALLOCATE non-reserved reserved reserved reserved
DEC non-reserved (cannot be function or type) reserved reserved reserved
DECIMAL non-reserved (cannot be function or type) reserved reserved reserved
DECLARE non-reserved reserved reserved reserved
DEFAULT reserved reserved reserved reserved
DEFAULTS non-reserved non-reserved non-reserved
DEFERRABLE reserved non-reserved non-reserved reserved
DEFERRED non-reserved non-reserved non-reserved reserved
DEFINED non-reserved non-reserved
DEFINER non-reserved non-reserved non-reserved
DEGREE non-reserved non-reserved
DELETE non-reserved reserved reserved reserved
DELIMITER non-reserved
DELIMITERS non-reserved
DENSE_RANK reserved reserved
DEPTH non-reserved non-reserved
DEREF reserved reserved
DERIVED non-reserved non-reserved
DESC reserved non-reserved non-reserved reserved
DESCRIBE reserved reserved reserved
DESCRIPTOR non-reserved non-reserved reserved
DETERMINISTIC reserved reserved
DIAGNOSTICS non-reserved non-reserved reserved
DICTIONARY non-reserved
DISABLE non-reserved
DISCARD non-reserved
DISCONNECT reserved reserved reserved
DISPATCH non-reserved non-reserved
DISTINCT reserved reserved reserved reserved
DLNEWCOPY reserved reserved
DLPREVIOUSCOPY reserved reserved
DLURLCOMPLETE reserved reserved
DLURLCOMPLETEONLY reserved reserved
DLURLCOMPLETEWRITE reserved reserved
DLURLPATH reserved reserved
DLURLPATHONLY reserved reserved
DLURLPATHWRITE reserved reserved
DLURLSCHEME reserved reserved
DLURLSERVER reserved reserved
DLVALUE reserved reserved
DO reserved
DOCUMENT non-reserved non-reserved non-reserved
DOMAIN non-reserved non-reserved non-reserved reserved
DOUBLE non-reserved reserved reserved reserved
DROP non-reserved reserved reserved reserved
DYNAMIC reserved reserved
DYNAMIC_FUNCTION non-reserved non-reserved non-reserved
DYNAMIC_FUNCTION_CODE non-reserved non-reserved
EACH non-reserved reserved reserved
ELEMENT reserved reserved
ELSE reserved reserved reserved reserved
EMPTY non-reserved non-reserved
ENABLE non-reserved
ENCODING non-reserved non-reserved non-reserved
ENCRYPTED non-reserved
END reserved reserved reserved reserved
END-EXEC reserved reserved reserved
END_FRAME reserved
END_PARTITION reserved
ENFORCED non-reserved
ENUM non-reserved
EQUALS reserved non-reserved
ESCAPE non-reserved reserved reserved reserved
EVENT non-reserved
EVERY reserved reserved
EXCEPT reserved reserved reserved reserved
EXCEPTION reserved
EXCLUDE non-reserved non-reserved non-reserved
EXCLUDING non-reserved non-reserved non-reserved
EXCLUSIVE non-reserved
EXEC reserved reserved reserved
EXECUTE non-reserved reserved reserved reserved
EXISTS non-reserved (cannot be function or type) reserved reserved reserved
EXP reserved reserved
EXPLAIN non-reserved
EXPRESSION non-reserved
EXTENSION non-reserved
EXTERNAL non-reserved reserved reserved reserved
EXTRACT non-reserved (cannot be function or type) reserved reserved reserved
FALSE reserved reserved reserved reserved
FAMILY non-reserved
FETCH reserved reserved reserved reserved
FILE non-reserved non-reserved
FILTER reserved reserved
FINAL non-reserved non-reserved
FIRST non-reserved non-reserved non-reserved reserved
FIRST_VALUE reserved reserved
FLAG non-reserved non-reserved
FLOAT non-reserved (cannot be function or type) reserved reserved reserved
FLOOR reserved reserved
FOLLOWING non-reserved non-reserved non-reserved
FOR reserved reserved reserved reserved
FORCE non-reserved
FOREIGN reserved reserved reserved reserved
FORTRAN non-reserved non-reserved non-reserved
FORWARD non-reserved
FOUND non-reserved non-reserved reserved
FRAME_ROW reserved
FREE reserved reserved
FREEZE reserved (can be function or type)
FROM reserved reserved reserved reserved
FS non-reserved non-reserved
FULL reserved (can be function or type) reserved reserved reserved
FUNCTION non-reserved reserved reserved
FUNCTIONS non-reserved
FUSION reserved reserved
G non-reserved non-reserved
GENERAL non-reserved non-reserved
GENERATED non-reserved non-reserved
GET reserved reserved reserved
GLOBAL non-reserved reserved reserved reserved
GO non-reserved non-reserved reserved
GOTO non-reserved non-reserved reserved
GRANT reserved reserved reserved reserved
GRANTED non-reserved non-reserved non-reserved
GREATEST non-reserved (cannot be function or type)
GROUP reserved reserved reserved reserved
GROUPING reserved reserved
GROUPS reserved
HANDLER non-reserved
HAVING reserved reserved reserved reserved
HEADER non-reserved
HEX non-reserved non-reserved
HIERARCHY non-reserved non-reserved
HOLD non-reserved reserved reserved
HOUR non-reserved reserved reserved reserved
ID non-reserved non-reserved
IDENTITY non-reserved reserved reserved reserved
IF non-reserved
IGNORE non-reserved non-reserved
ILIKE reserved (can be function or type)
IMMEDIATE non-reserved non-reserved non-reserved reserved
IMMEDIATELY non-reserved
IMMUTABLE non-reserved
IMPLEMENTATION non-reserved non-reserved
IMPLICIT non-reserved
IMPORT reserved reserved
IN reserved reserved reserved reserved
INCLUDING non-reserved non-reserved non-reserved
INCREMENT non-reserved non-reserved non-reserved
INDENT non-reserved non-reserved
INDEX non-reserved
INDEXES non-reserved
INDICATOR reserved reserved reserved
INHERIT non-reserved
INHERITS non-reserved
INITIALLY reserved non-reserved non-reserved reserved
INLINE non-reserved
INNER reserved (can be function or type) reserved reserved reserved
INOUT non-reserved (cannot be function or type) reserved reserved
INPUT non-reserved non-reserved non-reserved reserved
INSENSITIVE non-reserved reserved reserved reserved
INSERT non-reserved reserved reserved reserved
INSTANCE non-reserved non-reserved
INSTANTIABLE non-reserved non-reserved
INSTEAD non-reserved non-reserved non-reserved
INT non-reserved (cannot be function or type) reserved reserved reserved
INTEGER non-reserved (cannot be function or type) reserved reserved reserved
INTEGRITY non-reserved non-reserved
INTERSECT reserved reserved reserved reserved
INTERSECTION reserved reserved
INTERVAL non-reserved (cannot be function or type) reserved reserved reserved
INTO reserved reserved reserved reserved
INVOKER non-reserved non-reserved non-reserved
IS reserved (can be function or type) reserved reserved reserved
ISNULL reserved (can be function or type)
ISOLATION non-reserved non-reserved non-reserved reserved
JOIN reserved (can be function or type) reserved reserved reserved
K non-reserved non-reserved
KEY non-reserved non-reserved non-reserved reserved
KEY_MEMBER non-reserved non-reserved
KEY_TYPE non-reserved non-reserved
LABEL non-reserved
LAG reserved reserved
LANGUAGE non-reserved reserved reserved reserved
LARGE non-reserved reserved reserved
LAST non-reserved non-reserved non-reserved reserved
LAST_VALUE reserved reserved
LATERAL reserved reserved reserved
LC_COLLATE non-reserved
LC_CTYPE non-reserved
LEAD reserved reserved
LEADING reserved reserved reserved reserved
LEAKPROOF non-reserved
LEAST non-reserved (cannot be function or type)
LEFT reserved (can be function or type) reserved reserved reserved
LENGTH non-reserved non-reserved non-reserved
LEVEL non-reserved non-reserved non-reserved reserved
LIBRARY non-reserved non-reserved
LIKE reserved (can be function or type) reserved reserved reserved
LIKE_REGEX reserved reserved
LIMIT reserved non-reserved non-reserved
LINK non-reserved non-reserved
LISTEN non-reserved
LN reserved reserved
LOAD non-reserved
LOCAL non-reserved reserved reserved reserved
LOCALTIME reserved reserved reserved
LOCALTIMESTAMP reserved reserved reserved
LOCATION non-reserved non-reserved non-reserved
LOCATOR non-reserved non-reserved
LOCK non-reserved
LOWER reserved reserved reserved
M non-reserved non-reserved
MAP non-reserved non-reserved
MAPPING non-reserved non-reserved non-reserved
MATCH non-reserved reserved reserved reserved
MATCHED non-reserved non-reserved
MATERIALIZED non-reserved
MAX reserved reserved reserved
MAXVALUE non-reserved non-reserved non-reserved
MAX_CARDINALITY reserved
MEMBER reserved reserved
MERGE reserved reserved
MESSAGE_LENGTH non-reserved non-reserved non-reserved
MESSAGE_OCTET_LENGTH non-reserved non-reserved non-reserved
MESSAGE_TEXT non-reserved non-reserved non-reserved
METHOD reserved reserved
MIN reserved reserved reserved
MINUTE non-reserved reserved reserved reserved
MINVALUE non-reserved non-reserved non-reserved
MOD reserved reserved
MODE non-reserved
MODIFIES reserved reserved
MODULE reserved reserved reserved
MONTH non-reserved reserved reserved reserved
MORE non-reserved non-reserved non-reserved
MOVE non-reserved
MULTISET reserved reserved
MUMPS non-reserved non-reserved non-reserved
NAME non-reserved non-reserved non-reserved non-reserved
NAMES non-reserved non-reserved non-reserved reserved
NAMESPACE non-reserved non-reserved
NATIONAL non-reserved (cannot be function or type) reserved reserved reserved
NATURAL reserved (can be function or type) reserved reserved reserved
NCHAR non-reserved (cannot be function or type) reserved reserved reserved
NCLOB reserved reserved
NESTING non-reserved non-reserved
NEW reserved reserved
NEXT non-reserved non-reserved non-reserved reserved
NFC non-reserved non-reserved
NFD non-reserved non-reserved
NFKC non-reserved non-reserved
NFKD non-reserved non-reserved
NIL non-reserved non-reserved
NO non-reserved reserved reserved reserved
NONE non-reserved (cannot be function or type) reserved reserved
NORMALIZE reserved reserved
NORMALIZED non-reserved non-reserved
NOT reserved reserved reserved reserved
NOTHING non-reserved
NOTIFY non-reserved
NOTNULL reserved (can be function or type)
NOWAIT non-reserved
NTH_VALUE reserved reserved
NTILE reserved reserved
NULL reserved reserved reserved reserved
NULLABLE non-reserved non-reserved non-reserved
NULLIF non-reserved (cannot be function or type) reserved reserved reserved
NULLS non-reserved non-reserved non-reserved
NUMBER non-reserved non-reserved non-reserved
NUMERIC non-reserved (cannot be function or type) reserved reserved reserved
OBJECT non-reserved non-reserved non-reserved
OCCURRENCES_REGEX reserved reserved
OCTETS non-reserved non-reserved
OCTET_LENGTH reserved reserved reserved
OF non-reserved reserved reserved reserved
OFF non-reserved non-reserved non-reserved
OFFSET reserved reserved reserved
OIDS non-reserved
OLD reserved reserved
ON reserved reserved reserved reserved
ONLY reserved reserved reserved reserved
OPEN reserved reserved reserved
OPERATOR non-reserved
OPTION non-reserved non-reserved non-reserved reserved
OPTIONS non-reserved non-reserved non-reserved
OR reserved reserved reserved reserved
ORDER reserved reserved reserved reserved
ORDERING non-reserved non-reserved
ORDINALITY non-reserved non-reserved
OTHERS non-reserved non-reserved
OUT non-reserved (cannot be function or type) reserved reserved
OUTER reserved (can be function or type) reserved reserved reserved
OUTPUT non-reserved non-reserved reserved
OVER reserved (can be function or type) reserved reserved
OVERLAPS reserved (can be function or type) reserved reserved reserved
OVERLAY non-reserved (cannot be function or type) reserved reserved
OVERRIDING non-reserved non-reserved
OWNED non-reserved
OWNER non-reserved
P non-reserved non-reserved
PAD non-reserved non-reserved reserved
PARAMETER reserved reserved
PARAMETER_MODE non-reserved non-reserved
PARAMETER_NAME non-reserved non-reserved
PARAMETER_ORDINAL_POSITION non-reserved non-reserved
PARAMETER_SPECIFIC_CATALOG non-reserved non-reserved
PARAMETER_SPECIFIC_NAME non-reserved non-reserved
PARAMETER_SPECIFIC_SCHEMA non-reserved non-reserved
PARSER non-reserved
PARTIAL non-reserved non-reserved non-reserved reserved
PARTITION non-reserved reserved reserved
PASCAL non-reserved non-reserved non-reserved
PASSING non-reserved non-reserved non-reserved
PASSTHROUGH non-reserved non-reserved
PASSWORD non-reserved
PATH non-reserved non-reserved
PERCENT reserved
PERCENTILE_CONT reserved reserved
PERCENTILE_DISC reserved reserved
PERCENT_RANK reserved reserved
PERIOD reserved
PERMISSION non-reserved non-reserved
PLACING reserved non-reserved non-reserved
PLANS non-reserved
PLI non-reserved non-reserved non-reserved
PORTION reserved
POSITION non-reserved (cannot be function or type) reserved reserved reserved
POSITION_REGEX reserved reserved
POWER reserved reserved
PRECEDES reserved
PRECEDING non-reserved non-reserved non-reserved
PRECISION non-reserved (cannot be function or type) reserved reserved reserved
PREPARE non-reserved reserved reserved reserved
PREPARED non-reserved
PRESERVE non-reserved non-reserved non-reserved reserved
PRIMARY reserved reserved reserved reserved
PRIOR non-reserved non-reserved non-reserved reserved
PRIVILEGES non-reserved non-reserved non-reserved reserved
PROCEDURAL non-reserved
PROCEDURE non-reserved reserved reserved reserved
PROGRAM non-reserved
PUBLIC non-reserved non-reserved reserved
QUOTE non-reserved
RANGE non-reserved reserved reserved
RANK reserved reserved
READ non-reserved non-reserved non-reserved reserved
READS reserved reserved
REAL non-reserved (cannot be function or type) reserved reserved reserved
REASSIGN non-reserved
RECHECK non-reserved
RECOVERY non-reserved non-reserved
RECURSIVE non-reserved reserved reserved
REF non-reserved reserved reserved
REFERENCES reserved reserved reserved reserved
REFERENCING reserved reserved
REFRESH non-reserved
REGR_AVGX reserved reserved
REGR_AVGY reserved reserved
REGR_COUNT reserved reserved
REGR_INTERCEPT reserved reserved
REGR_R2 reserved reserved
REGR_SLOPE reserved reserved
REGR_SXX reserved reserved
REGR_SXY reserved reserved
REGR_SYY reserved reserved
REINDEX non-reserved
RELATIVE non-reserved non-reserved non-reserved reserved
RELEASE non-reserved reserved reserved
RENAME non-reserved
REPEATABLE non-reserved non-reserved non-reserved non-reserved
REPLACE non-reserved
REPLICA non-reserved
REQUIRING non-reserved non-reserved
RESET non-reserved
RESPECT non-reserved non-reserved
RESTART non-reserved non-reserved non-reserved
RESTORE non-reserved non-reserved
RESTRICT non-reserved non-reserved non-reserved reserved
RESULT reserved reserved
RETURN reserved reserved
RETURNED_CARDINALITY non-reserved non-reserved
RETURNED_LENGTH non-reserved non-reserved non-reserved
RETURNED_OCTET_LENGTH non-reserved non-reserved non-reserved
RETURNED_SQLSTATE non-reserved non-reserved non-reserved
RETURNING reserved non-reserved non-reserved
RETURNS non-reserved reserved reserved
REVOKE non-reserved reserved reserved reserved
RIGHT reserved (can be function or type) reserved reserved reserved
ROLE non-reserved non-reserved non-reserved
ROLLBACK non-reserved reserved reserved reserved
ROLLUP reserved reserved
ROUTINE non-reserved non-reserved
ROUTINE_CATALOG non-reserved non-reserved
ROUTINE_NAME non-reserved non-reserved
ROUTINE_SCHEMA non-reserved non-reserved
ROW non-reserved (cannot be function or type) reserved reserved
ROWS non-reserved reserved reserved reserved
ROW_COUNT non-reserved non-reserved non-reserved
ROW_NUMBER reserved reserved
RULE non-reserved
SAVEPOINT non-reserved reserved reserved
SCALE non-reserved non-reserved non-reserved
SCHEMA non-reserved non-reserved non-reserved reserved
SCHEMA_NAME non-reserved non-reserved non-reserved
SCOPE reserved reserved
SCOPE_CATALOG non-reserved non-reserved
SCOPE_NAME non-reserved non-reserved
SCOPE_SCHEMA non-reserved non-reserved
SCROLL non-reserved reserved reserved reserved
SEARCH non-reserved reserved reserved
SECOND non-reserved reserved reserved reserved
SECTION non-reserved non-reserved reserved
SECURITY non-reserved non-reserved non-reserved
SELECT reserved reserved reserved reserved
SELECTIVE non-reserved non-reserved
SELF non-reserved non-reserved
SENSITIVE reserved reserved
SEQUENCE non-reserved non-reserved non-reserved
SEQUENCES non-reserved
SERIALIZABLE non-reserved non-reserved non-reserved non-reserved
SERVER non-reserved non-reserved non-reserved
SERVER_NAME non-reserved non-reserved non-reserved
SESSION non-reserved non-reserved non-reserved reserved
SESSION_USER reserved reserved reserved reserved
SET non-reserved reserved reserved reserved
SETOF non-reserved (cannot be function or type)
SETS non-reserved non-reserved
SHARE non-reserved
SHOW non-reserved
SIMILAR reserved (can be function or type) reserved reserved
SIMPLE non-reserved non-reserved non-reserved
SIZE non-reserved non-reserved reserved
SMALLINT non-reserved (cannot be function or type) reserved reserved reserved
SNAPSHOT non-reserved
SOME reserved reserved reserved reserved
SOURCE non-reserved non-reserved
SPACE non-reserved non-reserved reserved
SPECIFIC reserved reserved
SPECIFICTYPE reserved reserved
SPECIFIC_NAME non-reserved non-reserved
SQL reserved reserved reserved
SQLCODE reserved
SQLERROR reserved
SQLEXCEPTION reserved reserved
SQLSTATE reserved reserved reserved
SQLWARNING reserved reserved
SQRT reserved reserved
STABLE non-reserved
STANDALONE non-reserved non-reserved non-reserved
START non-reserved reserved reserved
STATE non-reserved non-reserved
STATEMENT non-reserved non-reserved non-reserved
STATIC reserved reserved
STATISTICS non-reserved
STDDEV_POP reserved reserved
STDDEV_SAMP reserved reserved
STDIN non-reserved
STDOUT non-reserved
STORAGE non-reserved
STRICT non-reserved
STRIP non-reserved non-reserved non-reserved
STRUCTURE non-reserved non-reserved
STYLE non-reserved non-reserved
SUBCLASS_ORIGIN non-reserved non-reserved non-reserved
SUBMULTISET reserved reserved
SUBSTRING non-reserved (cannot be function or type) reserved reserved reserved
SUBSTRING_REGEX reserved reserved
SUCCEEDS reserved
SUM reserved reserved reserved
SYMMETRIC reserved reserved reserved
SYSID non-reserved
SYSTEM non-reserved reserved reserved
SYSTEM_TIME reserved
SYSTEM_USER reserved reserved reserved
T non-reserved non-reserved
TABLE reserved reserved reserved reserved
TABLES non-reserved
TABLESAMPLE reserved reserved
TABLESPACE non-reserved
TABLE_NAME non-reserved non-reserved non-reserved
TEMP non-reserved
TEMPLATE non-reserved
TEMPORARY non-reserved non-reserved non-reserved reserved
TEXT non-reserved
THEN reserved reserved reserved reserved
TIES non-reserved non-reserved
TIME non-reserved (cannot be function or type) reserved reserved reserved
TIMESTAMP non-reserved (cannot be function or type) reserved reserved reserved
TIMEZONE_HOUR reserved reserved reserved
TIMEZONE_MINUTE reserved reserved reserved
TO reserved reserved reserved reserved
TOKEN non-reserved non-reserved
TOP_LEVEL_COUNT non-reserved non-reserved
TRAILING reserved reserved reserved reserved
TRANSACTION non-reserved non-reserved non-reserved reserved
TRANSACTIONS_COMMITTED non-reserved non-reserved
TRANSACTIONS_ROLLED_BACK non-reserved non-reserved
TRANSACTION_ACTIVE non-reserved non-reserved
TRANSFORM non-reserved non-reserved
TRANSFORMS non-reserved non-reserved
TRANSLATE reserved reserved reserved
TRANSLATE_REGEX reserved reserved
TRANSLATION reserved reserved reserved
TREAT non-reserved (cannot be function or type) reserved reserved
TRIGGER non-reserved reserved reserved
TRIGGER_CATALOG non-reserved non-reserved
TRIGGER_NAME non-reserved non-reserved
TRIGGER_SCHEMA non-reserved non-reserved
TRIM non-reserved (cannot be function or type) reserved reserved reserved
TRIM_ARRAY reserved reserved
TRUE reserved reserved reserved reserved
TRUNCATE non-reserved reserved reserved
TRUSTED non-reserved
TYPE non-reserved non-reserved non-reserved non-reserved
TYPES non-reserved
UESCAPE reserved reserved
UNBOUNDED non-reserved non-reserved non-reserved
UNCOMMITTED non-reserved non-reserved non-reserved non-reserved
UNDER non-reserved non-reserved
UNENCRYPTED non-reserved
UNION reserved reserved reserved reserved
UNIQUE reserved reserved reserved reserved
UNKNOWN non-reserved reserved reserved reserved
UNLINK non-reserved non-reserved
UNLISTEN non-reserved
UNLOGGED non-reserved
UNNAMED non-reserved non-reserved non-reserved
UNNEST reserved reserved
UNTIL non-reserved
UNTYPED non-reserved non-reserved
UPDATE non-reserved reserved reserved reserved
UPPER reserved reserved reserved
URI non-reserved non-reserved
USAGE non-reserved non-reserved reserved
USER reserved reserved reserved reserved
USER_DEFINED_TYPE_CATALOG non-reserved non-reserved
USER_DEFINED_TYPE_CODE non-reserved non-reserved
USER_DEFINED_TYPE_NAME non-reserved non-reserved
USER_DEFINED_TYPE_SCHEMA non-reserved non-reserved
USING reserved reserved reserved reserved
VACUUM non-reserved
VALID non-reserved non-reserved non-reserved
VALIDATE non-reserved
VALIDATOR non-reserved
VALUE non-reserved reserved reserved reserved
VALUES non-reserved (cannot be function or type) reserved reserved reserved
VALUE_OF reserved
VARBINARY reserved reserved
VARCHAR non-reserved (cannot be function or type) reserved reserved reserved
VARIADIC reserved
VARYING non-reserved reserved reserved reserved
VAR_POP reserved reserved
VAR_SAMP reserved reserved
VERBOSE reserved (can be function or type)
VERSION non-reserved non-reserved non-reserved
VERSIONING reserved
VIEW non-reserved non-reserved non-reserved reserved
VOLATILE non-reserved
WHEN reserved reserved reserved reserved
WHENEVER reserved reserved reserved
WHERE reserved reserved reserved reserved
WHITESPACE non-reserved non-reserved non-reserved
WIDTH_BUCKET reserved reserved
WINDOW reserved reserved reserved
WITH reserved reserved reserved reserved
WITHIN reserved reserved
WITHOUT non-reserved reserved reserved
WORK non-reserved non-reserved non-reserved reserved
WRAPPER non-reserved non-reserved non-reserved
WRITE non-reserved non-reserved non-reserved reserved
XML non-reserved reserved reserved
XMLAGG reserved reserved
XMLATTRIBUTES non-reserved (cannot be function or type) reserved reserved
XMLBINARY reserved reserved
XMLCAST reserved reserved
XMLCOMMENT reserved reserved
XMLCONCAT non-reserved (cannot be function or type) reserved reserved
XMLDECLARATION non-reserved non-reserved
XMLDOCUMENT reserved reserved
XMLELEMENT non-reserved (cannot be function or type) reserved reserved
XMLEXISTS non-reserved (cannot be function or type) reserved reserved
XMLFOREST non-reserved (cannot be function or type) reserved reserved
XMLITERATE reserved reserved
XMLNAMESPACES reserved reserved
XMLPARSE non-reserved (cannot be function or type) reserved reserved
XMLPI non-reserved (cannot be function or type) reserved reserved
XMLQUERY reserved reserved
XMLROOT non-reserved (cannot be function or type)
XMLSCHEMA non-reserved non-reserved
XMLSERIALIZE non-reserved (cannot be function or type) reserved reserved
XMLTABLE reserved reserved
XMLTEXT reserved reserved
XMLVALIDATE reserved reserved
YEAR non-reserved reserved reserved reserved
YES non-reserved non-reserved non-reserved
ZONE non-reserved non-reserved non-reserved reserved

78
vendor/github.com/go-xorm/xorm/processors.go generated vendored Normal file
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// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
// BeforeInsertProcessor executed before an object is initially persisted to the database
type BeforeInsertProcessor interface {
BeforeInsert()
}
// BeforeUpdateProcessor executed before an object is updated
type BeforeUpdateProcessor interface {
BeforeUpdate()
}
// BeforeDeleteProcessor executed before an object is deleted
type BeforeDeleteProcessor interface {
BeforeDelete()
}
// BeforeSetProcessor executed before data set to the struct fields
type BeforeSetProcessor interface {
BeforeSet(string, Cell)
}
// AfterSetProcessor executed after data set to the struct fields
type AfterSetProcessor interface {
AfterSet(string, Cell)
}
// AfterInsertProcessor executed after an object is persisted to the database
type AfterInsertProcessor interface {
AfterInsert()
}
// AfterUpdateProcessor executed after an object has been updated
type AfterUpdateProcessor interface {
AfterUpdate()
}
// AfterDeleteProcessor executed after an object has been deleted
type AfterDeleteProcessor interface {
AfterDelete()
}
// AfterLoadProcessor executed after an ojbect has been loaded from database
type AfterLoadProcessor interface {
AfterLoad()
}
// AfterLoadSessionProcessor executed after an ojbect has been loaded from database with session parameter
type AfterLoadSessionProcessor interface {
AfterLoad(*Session)
}
type executedProcessorFunc func(*Session, interface{}) error
type executedProcessor struct {
fun executedProcessorFunc
session *Session
bean interface{}
}
func (executor *executedProcessor) execute() error {
return executor.fun(executor.session, executor.bean)
}
func (session *Session) executeProcessors() error {
processors := session.afterProcessors
session.afterProcessors = make([]executedProcessor, 0)
for _, processor := range processors {
if err := processor.execute(); err != nil {
return err
}
}
return nil
}

134
vendor/github.com/go-xorm/xorm/rows.go generated vendored Normal file
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// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"database/sql"
"fmt"
"reflect"
"github.com/go-xorm/core"
)
// Rows rows wrapper a rows to
type Rows struct {
NoTypeCheck bool
session *Session
rows *core.Rows
fields []string
beanType reflect.Type
lastError error
}
func newRows(session *Session, bean interface{}) (*Rows, error) {
rows := new(Rows)
rows.session = session
rows.beanType = reflect.Indirect(reflect.ValueOf(bean)).Type()
var sqlStr string
var args []interface{}
var err error
if err = rows.session.statement.setRefValue(rValue(bean)); err != nil {
return nil, err
}
if len(session.statement.TableName()) <= 0 {
return nil, ErrTableNotFound
}
if rows.session.statement.RawSQL == "" {
sqlStr, args, err = rows.session.statement.genGetSQL(bean)
if err != nil {
return nil, err
}
} else {
sqlStr = rows.session.statement.RawSQL
args = rows.session.statement.RawParams
}
rows.rows, err = rows.session.queryRows(sqlStr, args...)
if err != nil {
rows.lastError = err
rows.Close()
return nil, err
}
rows.fields, err = rows.rows.Columns()
if err != nil {
rows.lastError = err
rows.Close()
return nil, err
}
return rows, nil
}
// Next move cursor to next record, return false if end has reached
func (rows *Rows) Next() bool {
if rows.lastError == nil && rows.rows != nil {
hasNext := rows.rows.Next()
if !hasNext {
rows.lastError = sql.ErrNoRows
}
return hasNext
}
return false
}
// Err returns the error, if any, that was encountered during iteration. Err may be called after an explicit or implicit Close.
func (rows *Rows) Err() error {
return rows.lastError
}
// Scan row record to bean properties
func (rows *Rows) Scan(bean interface{}) error {
if rows.lastError != nil {
return rows.lastError
}
if !rows.NoTypeCheck && reflect.Indirect(reflect.ValueOf(bean)).Type() != rows.beanType {
return fmt.Errorf("scan arg is incompatible type to [%v]", rows.beanType)
}
dataStruct := rValue(bean)
if err := rows.session.statement.setRefValue(dataStruct); err != nil {
return err
}
scanResults, err := rows.session.row2Slice(rows.rows, rows.fields, bean)
if err != nil {
return err
}
_, err = rows.session.slice2Bean(scanResults, rows.fields, bean, &dataStruct, rows.session.statement.RefTable)
if err != nil {
return err
}
return rows.session.executeProcessors()
}
// Close session if session.IsAutoClose is true, and claimed any opened resources
func (rows *Rows) Close() error {
if rows.session.isAutoClose {
defer rows.session.Close()
}
if rows.lastError == nil {
if rows.rows != nil {
rows.lastError = rows.rows.Close()
if rows.lastError != nil {
return rows.lastError
}
}
} else {
if rows.rows != nil {
defer rows.rows.Close()
}
}
return rows.lastError
}

839
vendor/github.com/go-xorm/xorm/session.go generated vendored Normal file
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// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"database/sql"
"encoding/json"
"errors"
"fmt"
"hash/crc32"
"reflect"
"strings"
"time"
"github.com/go-xorm/core"
)
// Session keep a pointer to sql.DB and provides all execution of all
// kind of database operations.
type Session struct {
db *core.DB
engine *Engine
tx *core.Tx
statement Statement
isAutoCommit bool
isCommitedOrRollbacked bool
isAutoClose bool
// Automatically reset the statement after operations that execute a SQL
// query such as Count(), Find(), Get(), ...
autoResetStatement bool
// !nashtsai! storing these beans due to yet committed tx
afterInsertBeans map[interface{}]*[]func(interface{})
afterUpdateBeans map[interface{}]*[]func(interface{})
afterDeleteBeans map[interface{}]*[]func(interface{})
// --
beforeClosures []func(interface{})
afterClosures []func(interface{})
afterProcessors []executedProcessor
prepareStmt bool
stmtCache map[uint32]*core.Stmt //key: hash.Hash32 of (queryStr, len(queryStr))
// !evalphobia! stored the last executed query on this session
//beforeSQLExec func(string, ...interface{})
lastSQL string
lastSQLArgs []interface{}
err error
}
// Clone copy all the session's content and return a new session
func (session *Session) Clone() *Session {
var sess = *session
return &sess
}
// Init reset the session as the init status.
func (session *Session) Init() {
session.statement.Init()
session.statement.Engine = session.engine
session.isAutoCommit = true
session.isCommitedOrRollbacked = false
session.isAutoClose = false
session.autoResetStatement = true
session.prepareStmt = false
// !nashtsai! is lazy init better?
session.afterInsertBeans = make(map[interface{}]*[]func(interface{}), 0)
session.afterUpdateBeans = make(map[interface{}]*[]func(interface{}), 0)
session.afterDeleteBeans = make(map[interface{}]*[]func(interface{}), 0)
session.beforeClosures = make([]func(interface{}), 0)
session.afterClosures = make([]func(interface{}), 0)
session.afterProcessors = make([]executedProcessor, 0)
session.lastSQL = ""
session.lastSQLArgs = []interface{}{}
}
// Close release the connection from pool
func (session *Session) Close() {
for _, v := range session.stmtCache {
v.Close()
}
if session.db != nil {
// When Close be called, if session is a transaction and do not call
// Commit or Rollback, then call Rollback.
if session.tx != nil && !session.isCommitedOrRollbacked {
session.Rollback()
}
session.tx = nil
session.stmtCache = nil
session.db = nil
}
}
// IsClosed returns if session is closed
func (session *Session) IsClosed() bool {
return session.db == nil
}
func (session *Session) resetStatement() {
if session.autoResetStatement {
session.statement.Init()
}
}
// Prepare set a flag to session that should be prepare statement before execute query
func (session *Session) Prepare() *Session {
session.prepareStmt = true
return session
}
// Before Apply before Processor, affected bean is passed to closure arg
func (session *Session) Before(closures func(interface{})) *Session {
if closures != nil {
session.beforeClosures = append(session.beforeClosures, closures)
}
return session
}
// After Apply after Processor, affected bean is passed to closure arg
func (session *Session) After(closures func(interface{})) *Session {
if closures != nil {
session.afterClosures = append(session.afterClosures, closures)
}
return session
}
// Table can input a string or pointer to struct for special a table to operate.
func (session *Session) Table(tableNameOrBean interface{}) *Session {
session.statement.Table(tableNameOrBean)
return session
}
// Alias set the table alias
func (session *Session) Alias(alias string) *Session {
session.statement.Alias(alias)
return session
}
// NoCascade indicate that no cascade load child object
func (session *Session) NoCascade() *Session {
session.statement.UseCascade = false
return session
}
// ForUpdate Set Read/Write locking for UPDATE
func (session *Session) ForUpdate() *Session {
session.statement.IsForUpdate = true
return session
}
// NoAutoCondition disable generate SQL condition from beans
func (session *Session) NoAutoCondition(no ...bool) *Session {
session.statement.NoAutoCondition(no...)
return session
}
// Limit provide limit and offset query condition
func (session *Session) Limit(limit int, start ...int) *Session {
session.statement.Limit(limit, start...)
return session
}
// OrderBy provide order by query condition, the input parameter is the content
// after order by on a sql statement.
func (session *Session) OrderBy(order string) *Session {
session.statement.OrderBy(order)
return session
}
// Desc provide desc order by query condition, the input parameters are columns.
func (session *Session) Desc(colNames ...string) *Session {
session.statement.Desc(colNames...)
return session
}
// Asc provide asc order by query condition, the input parameters are columns.
func (session *Session) Asc(colNames ...string) *Session {
session.statement.Asc(colNames...)
return session
}
// StoreEngine is only avialble mysql dialect currently
func (session *Session) StoreEngine(storeEngine string) *Session {
session.statement.StoreEngine = storeEngine
return session
}
// Charset is only avialble mysql dialect currently
func (session *Session) Charset(charset string) *Session {
session.statement.Charset = charset
return session
}
// Cascade indicates if loading sub Struct
func (session *Session) Cascade(trueOrFalse ...bool) *Session {
if len(trueOrFalse) >= 1 {
session.statement.UseCascade = trueOrFalse[0]
}
return session
}
// NoCache ask this session do not retrieve data from cache system and
// get data from database directly.
func (session *Session) NoCache() *Session {
session.statement.UseCache = false
return session
}
// Join join_operator should be one of INNER, LEFT OUTER, CROSS etc - this will be prepended to JOIN
func (session *Session) Join(joinOperator string, tablename interface{}, condition string, args ...interface{}) *Session {
session.statement.Join(joinOperator, tablename, condition, args...)
return session
}
// GroupBy Generate Group By statement
func (session *Session) GroupBy(keys string) *Session {
session.statement.GroupBy(keys)
return session
}
// Having Generate Having statement
func (session *Session) Having(conditions string) *Session {
session.statement.Having(conditions)
return session
}
// DB db return the wrapper of sql.DB
func (session *Session) DB() *core.DB {
if session.db == nil {
session.db = session.engine.db
session.stmtCache = make(map[uint32]*core.Stmt, 0)
}
return session.db
}
func cleanupProcessorsClosures(slices *[]func(interface{})) {
if len(*slices) > 0 {
*slices = make([]func(interface{}), 0)
}
}
func (session *Session) canCache() bool {
if session.statement.RefTable == nil ||
session.statement.JoinStr != "" ||
session.statement.RawSQL != "" ||
!session.statement.UseCache ||
session.statement.IsForUpdate ||
session.tx != nil ||
len(session.statement.selectStr) > 0 {
return false
}
return true
}
func (session *Session) doPrepare(sqlStr string) (stmt *core.Stmt, err error) {
crc := crc32.ChecksumIEEE([]byte(sqlStr))
// TODO try hash(sqlStr+len(sqlStr))
var has bool
stmt, has = session.stmtCache[crc]
if !has {
stmt, err = session.DB().Prepare(sqlStr)
if err != nil {
return nil, err
}
session.stmtCache[crc] = stmt
}
return
}
func (session *Session) getField(dataStruct *reflect.Value, key string, table *core.Table, idx int) *reflect.Value {
var col *core.Column
if col = table.GetColumnIdx(key, idx); col == nil {
//session.engine.logger.Warnf("table %v has no column %v. %v", table.Name, key, table.ColumnsSeq())
return nil
}
fieldValue, err := col.ValueOfV(dataStruct)
if err != nil {
session.engine.logger.Error(err)
return nil
}
if !fieldValue.IsValid() || !fieldValue.CanSet() {
session.engine.logger.Warnf("table %v's column %v is not valid or cannot set", table.Name, key)
return nil
}
return fieldValue
}
// Cell cell is a result of one column field
type Cell *interface{}
func (session *Session) rows2Beans(rows *core.Rows, fields []string,
table *core.Table, newElemFunc func([]string) reflect.Value,
sliceValueSetFunc func(*reflect.Value, core.PK) error) error {
for rows.Next() {
var newValue = newElemFunc(fields)
bean := newValue.Interface()
dataStruct := newValue.Elem()
// handle beforeClosures
scanResults, err := session.row2Slice(rows, fields, bean)
if err != nil {
return err
}
pk, err := session.slice2Bean(scanResults, fields, bean, &dataStruct, table)
if err != nil {
return err
}
session.afterProcessors = append(session.afterProcessors, executedProcessor{
fun: func(*Session, interface{}) error {
return sliceValueSetFunc(&newValue, pk)
},
session: session,
bean: bean,
})
}
return nil
}
func (session *Session) row2Slice(rows *core.Rows, fields []string, bean interface{}) ([]interface{}, error) {
for _, closure := range session.beforeClosures {
closure(bean)
}
scanResults := make([]interface{}, len(fields))
for i := 0; i < len(fields); i++ {
var cell interface{}
scanResults[i] = &cell
}
if err := rows.Scan(scanResults...); err != nil {
return nil, err
}
if b, hasBeforeSet := bean.(BeforeSetProcessor); hasBeforeSet {
for ii, key := range fields {
b.BeforeSet(key, Cell(scanResults[ii].(*interface{})))
}
}
return scanResults, nil
}
func (session *Session) slice2Bean(scanResults []interface{}, fields []string, bean interface{}, dataStruct *reflect.Value, table *core.Table) (core.PK, error) {
defer func() {
if b, hasAfterSet := bean.(AfterSetProcessor); hasAfterSet {
for ii, key := range fields {
b.AfterSet(key, Cell(scanResults[ii].(*interface{})))
}
}
}()
// handle afterClosures
for _, closure := range session.afterClosures {
session.afterProcessors = append(session.afterProcessors, executedProcessor{
fun: func(sess *Session, bean interface{}) error {
closure(bean)
return nil
},
session: session,
bean: bean,
})
}
if a, has := bean.(AfterLoadProcessor); has {
session.afterProcessors = append(session.afterProcessors, executedProcessor{
fun: func(sess *Session, bean interface{}) error {
a.AfterLoad()
return nil
},
session: session,
bean: bean,
})
}
if a, has := bean.(AfterLoadSessionProcessor); has {
session.afterProcessors = append(session.afterProcessors, executedProcessor{
fun: func(sess *Session, bean interface{}) error {
a.AfterLoad(sess)
return nil
},
session: session,
bean: bean,
})
}
var tempMap = make(map[string]int)
var pk core.PK
for ii, key := range fields {
var idx int
var ok bool
var lKey = strings.ToLower(key)
if idx, ok = tempMap[lKey]; !ok {
idx = 0
} else {
idx = idx + 1
}
tempMap[lKey] = idx
if fieldValue := session.getField(dataStruct, key, table, idx); fieldValue != nil {
rawValue := reflect.Indirect(reflect.ValueOf(scanResults[ii]))
// if row is null then ignore
if rawValue.Interface() == nil {
continue
}
if fieldValue.CanAddr() {
if structConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok {
if data, err := value2Bytes(&rawValue); err == nil {
if err := structConvert.FromDB(data); err != nil {
return nil, err
}
} else {
return nil, err
}
continue
}
}
if _, ok := fieldValue.Interface().(core.Conversion); ok {
if data, err := value2Bytes(&rawValue); err == nil {
if fieldValue.Kind() == reflect.Ptr && fieldValue.IsNil() {
fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
}
fieldValue.Interface().(core.Conversion).FromDB(data)
} else {
return nil, err
}
continue
}
rawValueType := reflect.TypeOf(rawValue.Interface())
vv := reflect.ValueOf(rawValue.Interface())
col := table.GetColumnIdx(key, idx)
if col.IsPrimaryKey {
pk = append(pk, rawValue.Interface())
}
fieldType := fieldValue.Type()
hasAssigned := false
if col.SQLType.IsJson() {
var bs []byte
if rawValueType.Kind() == reflect.String {
bs = []byte(vv.String())
} else if rawValueType.ConvertibleTo(core.BytesType) {
bs = vv.Bytes()
} else {
return nil, fmt.Errorf("unsupported database data type: %s %v", key, rawValueType.Kind())
}
hasAssigned = true
if len(bs) > 0 {
if fieldValue.CanAddr() {
err := json.Unmarshal(bs, fieldValue.Addr().Interface())
if err != nil {
return nil, err
}
} else {
x := reflect.New(fieldType)
err := json.Unmarshal(bs, x.Interface())
if err != nil {
return nil, err
}
fieldValue.Set(x.Elem())
}
}
continue
}
switch fieldType.Kind() {
case reflect.Complex64, reflect.Complex128:
// TODO: reimplement this
var bs []byte
if rawValueType.Kind() == reflect.String {
bs = []byte(vv.String())
} else if rawValueType.ConvertibleTo(core.BytesType) {
bs = vv.Bytes()
}
hasAssigned = true
if len(bs) > 0 {
if fieldValue.CanAddr() {
err := json.Unmarshal(bs, fieldValue.Addr().Interface())
if err != nil {
return nil, err
}
} else {
x := reflect.New(fieldType)
err := json.Unmarshal(bs, x.Interface())
if err != nil {
return nil, err
}
fieldValue.Set(x.Elem())
}
}
case reflect.Slice, reflect.Array:
switch rawValueType.Kind() {
case reflect.Slice, reflect.Array:
switch rawValueType.Elem().Kind() {
case reflect.Uint8:
if fieldType.Elem().Kind() == reflect.Uint8 {
hasAssigned = true
if col.SQLType.IsText() {
x := reflect.New(fieldType)
err := json.Unmarshal(vv.Bytes(), x.Interface())
if err != nil {
return nil, err
}
fieldValue.Set(x.Elem())
} else {
if fieldValue.Len() > 0 {
for i := 0; i < fieldValue.Len(); i++ {
if i < vv.Len() {
fieldValue.Index(i).Set(vv.Index(i))
}
}
} else {
for i := 0; i < vv.Len(); i++ {
fieldValue.Set(reflect.Append(*fieldValue, vv.Index(i)))
}
}
}
}
}
}
case reflect.String:
if rawValueType.Kind() == reflect.String {
hasAssigned = true
fieldValue.SetString(vv.String())
}
case reflect.Bool:
if rawValueType.Kind() == reflect.Bool {
hasAssigned = true
fieldValue.SetBool(vv.Bool())
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
switch rawValueType.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
hasAssigned = true
fieldValue.SetInt(vv.Int())
}
case reflect.Float32, reflect.Float64:
switch rawValueType.Kind() {
case reflect.Float32, reflect.Float64:
hasAssigned = true
fieldValue.SetFloat(vv.Float())
}
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
switch rawValueType.Kind() {
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
hasAssigned = true
fieldValue.SetUint(vv.Uint())
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
hasAssigned = true
fieldValue.SetUint(uint64(vv.Int()))
}
case reflect.Struct:
if fieldType.ConvertibleTo(core.TimeType) {
dbTZ := session.engine.DatabaseTZ
if col.TimeZone != nil {
dbTZ = col.TimeZone
}
if rawValueType == core.TimeType {
hasAssigned = true
t := vv.Convert(core.TimeType).Interface().(time.Time)
z, _ := t.Zone()
// set new location if database don't save timezone or give an incorrect timezone
if len(z) == 0 || t.Year() == 0 || t.Location().String() != dbTZ.String() { // !nashtsai! HACK tmp work around for lib/pq doesn't properly time with location
session.engine.logger.Debugf("empty zone key[%v] : %v | zone: %v | location: %+v\n", key, t, z, *t.Location())
t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(),
t.Minute(), t.Second(), t.Nanosecond(), dbTZ)
}
t = t.In(session.engine.TZLocation)
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
} else if rawValueType == core.IntType || rawValueType == core.Int64Type ||
rawValueType == core.Int32Type {
hasAssigned = true
t := time.Unix(vv.Int(), 0).In(session.engine.TZLocation)
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
} else {
if d, ok := vv.Interface().([]uint8); ok {
hasAssigned = true
t, err := session.byte2Time(col, d)
if err != nil {
session.engine.logger.Error("byte2Time error:", err.Error())
hasAssigned = false
} else {
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
}
} else if d, ok := vv.Interface().(string); ok {
hasAssigned = true
t, err := session.str2Time(col, d)
if err != nil {
session.engine.logger.Error("byte2Time error:", err.Error())
hasAssigned = false
} else {
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
}
} else {
return nil, fmt.Errorf("rawValueType is %v, value is %v", rawValueType, vv.Interface())
}
}
} else if nulVal, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
// !<winxxp>! 增加支持sql.Scanner接口的结构，如sql.NullString
hasAssigned = true
if err := nulVal.Scan(vv.Interface()); err != nil {
session.engine.logger.Error("sql.Sanner error:", err.Error())
hasAssigned = false
}
} else if col.SQLType.IsJson() {
if rawValueType.Kind() == reflect.String {
hasAssigned = true
x := reflect.New(fieldType)
if len([]byte(vv.String())) > 0 {
err := json.Unmarshal([]byte(vv.String()), x.Interface())
if err != nil {
return nil, err
}
fieldValue.Set(x.Elem())
}
} else if rawValueType.Kind() == reflect.Slice {
hasAssigned = true
x := reflect.New(fieldType)
if len(vv.Bytes()) > 0 {
err := json.Unmarshal(vv.Bytes(), x.Interface())
if err != nil {
return nil, err
}
fieldValue.Set(x.Elem())
}
}
} else if session.statement.UseCascade {
table, err := session.engine.autoMapType(*fieldValue)
if err != nil {
return nil, err
}
hasAssigned = true
if len(table.PrimaryKeys) != 1 {
return nil, errors.New("unsupported non or composited primary key cascade")
}
var pk = make(core.PK, len(table.PrimaryKeys))
pk[0], err = asKind(vv, rawValueType)
if err != nil {
return nil, err
}
if !isPKZero(pk) {
// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
// property to be fetched lazily
structInter := reflect.New(fieldValue.Type())
has, err := session.ID(pk).NoCascade().get(structInter.Interface())
if err != nil {
return nil, err
}
if has {
fieldValue.Set(structInter.Elem())
} else {
return nil, errors.New("cascade obj is not exist")
}
}
}
case reflect.Ptr:
// !nashtsai! TODO merge duplicated codes above
switch fieldType {
// following types case matching ptr's native type, therefore assign ptr directly
case core.PtrStringType:
if rawValueType.Kind() == reflect.String {
x := vv.String()
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrBoolType:
if rawValueType.Kind() == reflect.Bool {
x := vv.Bool()
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrTimeType:
if rawValueType == core.PtrTimeType {
hasAssigned = true
var x = rawValue.Interface().(time.Time)
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrFloat64Type:
if rawValueType.Kind() == reflect.Float64 {
x := vv.Float()
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrUint64Type:
if rawValueType.Kind() == reflect.Int64 {
var x = uint64(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrInt64Type:
if rawValueType.Kind() == reflect.Int64 {
x := vv.Int()
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrFloat32Type:
if rawValueType.Kind() == reflect.Float64 {
var x = float32(vv.Float())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrIntType:
if rawValueType.Kind() == reflect.Int64 {
var x = int(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrInt32Type:
if rawValueType.Kind() == reflect.Int64 {
var x = int32(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrInt8Type:
if rawValueType.Kind() == reflect.Int64 {
var x = int8(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrInt16Type:
if rawValueType.Kind() == reflect.Int64 {
var x = int16(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrUintType:
if rawValueType.Kind() == reflect.Int64 {
var x = uint(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrUint32Type:
if rawValueType.Kind() == reflect.Int64 {
var x = uint32(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.Uint8Type:
if rawValueType.Kind() == reflect.Int64 {
var x = uint8(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.Uint16Type:
if rawValueType.Kind() == reflect.Int64 {
var x = uint16(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.Complex64Type:
var x complex64
if len([]byte(vv.String())) > 0 {
err := json.Unmarshal([]byte(vv.String()), &x)
if err != nil {
return nil, err
}
fieldValue.Set(reflect.ValueOf(&x))
}
hasAssigned = true
case core.Complex128Type:
var x complex128
if len([]byte(vv.String())) > 0 {
err := json.Unmarshal([]byte(vv.String()), &x)
if err != nil {
return nil, err
}
fieldValue.Set(reflect.ValueOf(&x))
}
hasAssigned = true
} // switch fieldType
} // switch fieldType.Kind()
// !nashtsai! for value can't be assigned directly fallback to convert to []byte then back to value
if !hasAssigned {
data, err := value2Bytes(&rawValue)
if err != nil {
return nil, err
}
if err = session.bytes2Value(col, fieldValue, data); err != nil {
return nil, err
}
}
}
}
return pk, nil
}
// saveLastSQL stores executed query information
func (session *Session) saveLastSQL(sql string, args ...interface{}) {
session.lastSQL = sql
session.lastSQLArgs = args
session.engine.logSQL(sql, args...)
}
// LastSQL returns last query information
func (session *Session) LastSQL() (string, []interface{}) {
return session.lastSQL, session.lastSQLArgs
}
// tbName get some table's table name
func (session *Session) tbNameNoSchema(table *core.Table) string {
if len(session.statement.AltTableName) > 0 {
return session.statement.AltTableName
}
return table.Name
}
// Unscoped always disable struct tag "deleted"
func (session *Session) Unscoped() *Session {
session.statement.Unscoped()
return session
}

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vendor/github.com/go-xorm/xorm/session_cols.go generated vendored Normal file
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// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
// Incr provides a query string like "count = count + 1"
func (session *Session) Incr(column string, arg ...interface{}) *Session {
session.statement.Incr(column, arg...)
return session
}
// Decr provides a query string like "count = count - 1"
func (session *Session) Decr(column string, arg ...interface{}) *Session {
session.statement.Decr(column, arg...)
return session
}
// SetExpr provides a query string like "column = {expression}"
func (session *Session) SetExpr(column string, expression string) *Session {
session.statement.SetExpr(column, expression)
return session
}
// Select provides some columns to special
func (session *Session) Select(str string) *Session {
session.statement.Select(str)
return session
}
// Cols provides some columns to special
func (session *Session) Cols(columns ...string) *Session {
session.statement.Cols(columns...)
return session
}
// AllCols ask all columns
func (session *Session) AllCols() *Session {
session.statement.AllCols()
return session
}
// MustCols specify some columns must use even if they are empty
func (session *Session) MustCols(columns ...string) *Session {
session.statement.MustCols(columns...)
return session
}
// UseBool automatically retrieve condition according struct, but
// if struct has bool field, it will ignore them. So use UseBool
// to tell system to do not ignore them.
// If no parameters, it will use all the bool field of struct, or
// it will use parameters's columns
func (session *Session) UseBool(columns ...string) *Session {
session.statement.UseBool(columns...)
return session
}
// Distinct use for distinct columns. Caution: when you are using cache,
// distinct will not be cached because cache system need id,
// but distinct will not provide id
func (session *Session) Distinct(columns ...string) *Session {
session.statement.Distinct(columns...)
return session
}
// Omit Only not use the parameters as select or update columns
func (session *Session) Omit(columns ...string) *Session {
session.statement.Omit(columns...)
return session
}
// Nullable Set null when column is zero-value and nullable for update
func (session *Session) Nullable(columns ...string) *Session {
session.statement.Nullable(columns...)
return session
}
// NoAutoTime means do not automatically give created field and updated field
// the current time on the current session temporarily
func (session *Session) NoAutoTime() *Session {
session.statement.UseAutoTime = false
return session
}

70
vendor/github.com/go-xorm/xorm/session_cond.go generated vendored Normal file
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// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import "github.com/go-xorm/builder"
// Sql provides raw sql input parameter. When you have a complex SQL statement
// and cannot use Where, Id, In and etc. Methods to describe, you can use SQL.
//
// Deprecated: use SQL instead.
func (session *Session) Sql(query string, args ...interface{}) *Session {
return session.SQL(query, args...)
}
// SQL provides raw sql input parameter. When you have a complex SQL statement
// and cannot use Where, Id, In and etc. Methods to describe, you can use SQL.
func (session *Session) SQL(query interface{}, args ...interface{}) *Session {
session.statement.SQL(query, args...)
return session
}
// Where provides custom query condition.
func (session *Session) Where(query interface{}, args ...interface{}) *Session {
session.statement.Where(query, args...)
return session
}
// And provides custom query condition.
func (session *Session) And(query interface{}, args ...interface{}) *Session {
session.statement.And(query, args...)
return session
}
// Or provides custom query condition.
func (session *Session) Or(query interface{}, args ...interface{}) *Session {
session.statement.Or(query, args...)
return session
}
// Id provides converting id as a query condition
//
// Deprecated: use ID instead
func (session *Session) Id(id interface{}) *Session {
return session.ID(id)
}
// ID provides converting id as a query condition
func (session *Session) ID(id interface{}) *Session {
session.statement.ID(id)
return session
}
// In provides a query string like "id in (1, 2, 3)"
func (session *Session) In(column string, args ...interface{}) *Session {
session.statement.In(column, args...)
return session
}
// NotIn provides a query string like "id in (1, 2, 3)"
func (session *Session) NotIn(column string, args ...interface{}) *Session {
session.statement.NotIn(column, args...)
return session
}
// Conds returns session query conditions except auto bean conditions
func (session *Session) Conds() builder.Cond {
return session.statement.cond
}

662
vendor/github.com/go-xorm/xorm/session_convert.go generated vendored Normal file
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// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"database/sql"
"database/sql/driver"
"encoding/json"
"errors"
"fmt"
"reflect"
"strconv"
"strings"
"time"
"github.com/go-xorm/core"
)
func (session *Session) str2Time(col *core.Column, data string) (outTime time.Time, outErr error) {
sdata := strings.TrimSpace(data)
var x time.Time
var err error
var parseLoc = session.engine.DatabaseTZ
if col.TimeZone != nil {
parseLoc = col.TimeZone
}
if sdata == zeroTime0 || sdata == zeroTime1 {
} else if !strings.ContainsAny(sdata, "- :") { // !nashtsai! has only found that mymysql driver is using this for time type column
// time stamp
sd, err := strconv.ParseInt(sdata, 10, 64)
if err == nil {
x = time.Unix(sd, 0)
session.engine.logger.Debugf("time(0) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata)
} else {
session.engine.logger.Debugf("time(0) err key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata)
}
} else if len(sdata) > 19 && strings.Contains(sdata, "-") {
x, err = time.ParseInLocation(time.RFC3339Nano, sdata, parseLoc)
session.engine.logger.Debugf("time(1) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata)
if err != nil {
x, err = time.ParseInLocation("2006-01-02 15:04:05.999999999", sdata, parseLoc)
session.engine.logger.Debugf("time(2) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata)
}
if err != nil {
x, err = time.ParseInLocation("2006-01-02 15:04:05.9999999 Z07:00", sdata, parseLoc)
session.engine.logger.Debugf("time(3) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata)
}
} else if len(sdata) == 19 && strings.Contains(sdata, "-") {
x, err = time.ParseInLocation("2006-01-02 15:04:05", sdata, parseLoc)
session.engine.logger.Debugf("time(4) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata)
} else if len(sdata) == 10 && sdata[4] == '-' && sdata[7] == '-' {
x, err = time.ParseInLocation("2006-01-02", sdata, parseLoc)
session.engine.logger.Debugf("time(5) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata)
} else if col.SQLType.Name == core.Time {
if strings.Contains(sdata, " ") {
ssd := strings.Split(sdata, " ")
sdata = ssd[1]
}
sdata = strings.TrimSpace(sdata)
if session.engine.dialect.DBType() == core.MYSQL && len(sdata) > 8 {
sdata = sdata[len(sdata)-8:]
}
st := fmt.Sprintf("2006-01-02 %v", sdata)
x, err = time.ParseInLocation("2006-01-02 15:04:05", st, parseLoc)
session.engine.logger.Debugf("time(6) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata)
} else {
outErr = fmt.Errorf("unsupported time format %v", sdata)
return
}
if err != nil {
outErr = fmt.Errorf("unsupported time format %v: %v", sdata, err)
return
}
outTime = x.In(session.engine.TZLocation)
return
}
func (session *Session) byte2Time(col *core.Column, data []byte) (outTime time.Time, outErr error) {
return session.str2Time(col, string(data))
}
// convert a db data([]byte) to a field value
func (session *Session) bytes2Value(col *core.Column, fieldValue *reflect.Value, data []byte) error {
if structConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok {
return structConvert.FromDB(data)
}
if structConvert, ok := fieldValue.Interface().(core.Conversion); ok {
return structConvert.FromDB(data)
}
var v interface{}
key := col.Name
fieldType := fieldValue.Type()
switch fieldType.Kind() {
case reflect.Complex64, reflect.Complex128:
x := reflect.New(fieldType)
if len(data) > 0 {
err := json.Unmarshal(data, x.Interface())
if err != nil {
session.engine.logger.Error(err)
return err
}
fieldValue.Set(x.Elem())
}
case reflect.Slice, reflect.Array, reflect.Map:
v = data
t := fieldType.Elem()
k := t.Kind()
if col.SQLType.IsText() {
x := reflect.New(fieldType)
if len(data) > 0 {
err := json.Unmarshal(data, x.Interface())
if err != nil {
session.engine.logger.Error(err)
return err
}
fieldValue.Set(x.Elem())
}
} else if col.SQLType.IsBlob() {
if k == reflect.Uint8 {
fieldValue.Set(reflect.ValueOf(v))
} else {
x := reflect.New(fieldType)
if len(data) > 0 {
err := json.Unmarshal(data, x.Interface())
if err != nil {
session.engine.logger.Error(err)
return err
}
fieldValue.Set(x.Elem())
}
}
} else {
return ErrUnSupportedType
}
case reflect.String:
fieldValue.SetString(string(data))
case reflect.Bool:
v, err := asBool(data)
if err != nil {
return fmt.Errorf("arg %v as bool: %s", key, err.Error())
}
fieldValue.Set(reflect.ValueOf(v))
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
sdata := string(data)
var x int64
var err error
// for mysql, when use bit, it returned \x01
if col.SQLType.Name == core.Bit &&
session.engine.dialect.DBType() == core.MYSQL { // !nashtsai! TODO dialect needs to provide conversion interface API
if len(data) == 1 {
x = int64(data[0])
} else {
x = 0
}
} else if strings.HasPrefix(sdata, "0x") {
x, err = strconv.ParseInt(sdata, 16, 64)
} else if strings.HasPrefix(sdata, "0") {
x, err = strconv.ParseInt(sdata, 8, 64)
} else if strings.EqualFold(sdata, "true") {
x = 1
} else if strings.EqualFold(sdata, "false") {
x = 0
} else {
x, err = strconv.ParseInt(sdata, 10, 64)
}
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
fieldValue.SetInt(x)
case reflect.Float32, reflect.Float64:
x, err := strconv.ParseFloat(string(data), 64)
if err != nil {
return fmt.Errorf("arg %v as float64: %s", key, err.Error())
}
fieldValue.SetFloat(x)
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
x, err := strconv.ParseUint(string(data), 10, 64)
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
fieldValue.SetUint(x)
//Currently only support Time type
case reflect.Struct:
// !<winxxp>! 增加支持sql.Scanner接口的结构，如sql.NullString
if nulVal, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
if err := nulVal.Scan(data); err != nil {
return fmt.Errorf("sql.Scan(%v) failed: %s ", data, err.Error())
}
} else {
if fieldType.ConvertibleTo(core.TimeType) {
x, err := session.byte2Time(col, data)
if err != nil {
return err
}
v = x
fieldValue.Set(reflect.ValueOf(v).Convert(fieldType))
} else if session.statement.UseCascade {
table, err := session.engine.autoMapType(*fieldValue)
if err != nil {
return err
}
// TODO: current only support 1 primary key
if len(table.PrimaryKeys) > 1 {
return errors.New("unsupported composited primary key cascade")
}
var pk = make(core.PK, len(table.PrimaryKeys))
rawValueType := table.ColumnType(table.PKColumns()[0].FieldName)
pk[0], err = str2PK(string(data), rawValueType)
if err != nil {
return err
}
if !isPKZero(pk) {
// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
// property to be fetched lazily
structInter := reflect.New(fieldValue.Type())
has, err := session.ID(pk).NoCascade().get(structInter.Interface())
if err != nil {
return err
}
if has {
v = structInter.Elem().Interface()
fieldValue.Set(reflect.ValueOf(v))
} else {
return errors.New("cascade obj is not exist")
}
}
}
}
case reflect.Ptr:
// !nashtsai! TODO merge duplicated codes above
//typeStr := fieldType.String()
switch fieldType.Elem().Kind() {
// case "*string":
case core.StringType.Kind():
x := string(data)
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*bool":
case core.BoolType.Kind():
d := string(data)
v, err := strconv.ParseBool(d)
if err != nil {
return fmt.Errorf("arg %v as bool: %s", key, err.Error())
}
fieldValue.Set(reflect.ValueOf(&v).Convert(fieldType))
// case "*complex64":
case core.Complex64Type.Kind():
var x complex64
if len(data) > 0 {
err := json.Unmarshal(data, &x)
if err != nil {
session.engine.logger.Error(err)
return err
}
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
}
// case "*complex128":
case core.Complex128Type.Kind():
var x complex128
if len(data) > 0 {
err := json.Unmarshal(data, &x)
if err != nil {
session.engine.logger.Error(err)
return err
}
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
}
// case "*float64":
case core.Float64Type.Kind():
x, err := strconv.ParseFloat(string(data), 64)
if err != nil {
return fmt.Errorf("arg %v as float64: %s", key, err.Error())
}
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*float32":
case core.Float32Type.Kind():
var x float32
x1, err := strconv.ParseFloat(string(data), 32)
if err != nil {
return fmt.Errorf("arg %v as float32: %s", key, err.Error())
}
x = float32(x1)
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*uint64":
case core.Uint64Type.Kind():
var x uint64
x, err := strconv.ParseUint(string(data), 10, 64)
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*uint":
case core.UintType.Kind():
var x uint
x1, err := strconv.ParseUint(string(data), 10, 64)
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
x = uint(x1)
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*uint32":
case core.Uint32Type.Kind():
var x uint32
x1, err := strconv.ParseUint(string(data), 10, 64)
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
x = uint32(x1)
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*uint8":
case core.Uint8Type.Kind():
var x uint8
x1, err := strconv.ParseUint(string(data), 10, 64)
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
x = uint8(x1)
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*uint16":
case core.Uint16Type.Kind():
var x uint16
x1, err := strconv.ParseUint(string(data), 10, 64)
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
x = uint16(x1)
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*int64":
case core.Int64Type.Kind():
sdata := string(data)
var x int64
var err error
// for mysql, when use bit, it returned \x01
if col.SQLType.Name == core.Bit &&
strings.Contains(session.engine.DriverName(), "mysql") {
if len(data) == 1 {
x = int64(data[0])
} else {
x = 0
}
} else if strings.HasPrefix(sdata, "0x") {
x, err = strconv.ParseInt(sdata, 16, 64)
} else if strings.HasPrefix(sdata, "0") {
x, err = strconv.ParseInt(sdata, 8, 64)
} else {
x, err = strconv.ParseInt(sdata, 10, 64)
}
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*int":
case core.IntType.Kind():
sdata := string(data)
var x int
var x1 int64
var err error
// for mysql, when use bit, it returned \x01
if col.SQLType.Name == core.Bit &&
strings.Contains(session.engine.DriverName(), "mysql") {
if len(data) == 1 {
x = int(data[0])
} else {
x = 0
}
} else if strings.HasPrefix(sdata, "0x") {
x1, err = strconv.ParseInt(sdata, 16, 64)
x = int(x1)
} else if strings.HasPrefix(sdata, "0") {
x1, err = strconv.ParseInt(sdata, 8, 64)
x = int(x1)
} else {
x1, err = strconv.ParseInt(sdata, 10, 64)
x = int(x1)
}
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*int32":
case core.Int32Type.Kind():
sdata := string(data)
var x int32
var x1 int64
var err error
// for mysql, when use bit, it returned \x01
if col.SQLType.Name == core.Bit &&
session.engine.dialect.DBType() == core.MYSQL {
if len(data) == 1 {
x = int32(data[0])
} else {
x = 0
}
} else if strings.HasPrefix(sdata, "0x") {
x1, err = strconv.ParseInt(sdata, 16, 64)
x = int32(x1)
} else if strings.HasPrefix(sdata, "0") {
x1, err = strconv.ParseInt(sdata, 8, 64)
x = int32(x1)
} else {
x1, err = strconv.ParseInt(sdata, 10, 64)
x = int32(x1)
}
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*int8":
case core.Int8Type.Kind():
sdata := string(data)
var x int8
var x1 int64
var err error
// for mysql, when use bit, it returned \x01
if col.SQLType.Name == core.Bit &&
strings.Contains(session.engine.DriverName(), "mysql") {
if len(data) == 1 {
x = int8(data[0])
} else {
x = 0
}
} else if strings.HasPrefix(sdata, "0x") {
x1, err = strconv.ParseInt(sdata, 16, 64)
x = int8(x1)
} else if strings.HasPrefix(sdata, "0") {
x1, err = strconv.ParseInt(sdata, 8, 64)
x = int8(x1)
} else {
x1, err = strconv.ParseInt(sdata, 10, 64)
x = int8(x1)
}
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*int16":
case core.Int16Type.Kind():
sdata := string(data)
var x int16
var x1 int64
var err error
// for mysql, when use bit, it returned \x01
if col.SQLType.Name == core.Bit &&
strings.Contains(session.engine.DriverName(), "mysql") {
if len(data) == 1 {
x = int16(data[0])
} else {
x = 0
}
} else if strings.HasPrefix(sdata, "0x") {
x1, err = strconv.ParseInt(sdata, 16, 64)
x = int16(x1)
} else if strings.HasPrefix(sdata, "0") {
x1, err = strconv.ParseInt(sdata, 8, 64)
x = int16(x1)
} else {
x1, err = strconv.ParseInt(sdata, 10, 64)
x = int16(x1)
}
if err != nil {
return fmt.Errorf("arg %v as int: %s", key, err.Error())
}
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
// case "*SomeStruct":
case reflect.Struct:
switch fieldType {
// case "*.time.Time":
case core.PtrTimeType:
x, err := session.byte2Time(col, data)
if err != nil {
return err
}
v = x
fieldValue.Set(reflect.ValueOf(&x))
default:
if session.statement.UseCascade {
structInter := reflect.New(fieldType.Elem())
table, err := session.engine.autoMapType(structInter.Elem())
if err != nil {
return err
}
if len(table.PrimaryKeys) > 1 {
return errors.New("unsupported composited primary key cascade")
}
var pk = make(core.PK, len(table.PrimaryKeys))
rawValueType := table.ColumnType(table.PKColumns()[0].FieldName)
pk[0], err = str2PK(string(data), rawValueType)
if err != nil {
return err
}
if !isPKZero(pk) {
// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
// property to be fetched lazily
has, err := session.ID(pk).NoCascade().get(structInter.Interface())
if err != nil {
return err
}
if has {
v = structInter.Interface()
fieldValue.Set(reflect.ValueOf(v))
} else {
return errors.New("cascade obj is not exist")
}
}
} else {
return fmt.Errorf("unsupported struct type in Scan: %s", fieldValue.Type().String())
}
}
default:
return fmt.Errorf("unsupported type in Scan: %s", fieldValue.Type().String())
}
default:
return fmt.Errorf("unsupported type in Scan: %s", fieldValue.Type().String())
}
return nil
}
// convert a field value of a struct to interface for put into db
func (session *Session) value2Interface(col *core.Column, fieldValue reflect.Value) (interface{}, error) {
if fieldValue.CanAddr() {
if fieldConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok {
data, err := fieldConvert.ToDB()
if err != nil {
return 0, err
}
if col.SQLType.IsBlob() {
return data, nil
}
return string(data), nil
}
}
if fieldConvert, ok := fieldValue.Interface().(core.Conversion); ok {
data, err := fieldConvert.ToDB()
if err != nil {
return 0, err
}
if col.SQLType.IsBlob() {
return data, nil
}
return string(data), nil
}
fieldType := fieldValue.Type()
k := fieldType.Kind()
if k == reflect.Ptr {
if fieldValue.IsNil() {
return nil, nil
} else if !fieldValue.IsValid() {
session.engine.logger.Warn("the field[", col.FieldName, "] is invalid")
return nil, nil
} else {
// !nashtsai! deference pointer type to instance type
fieldValue = fieldValue.Elem()
fieldType = fieldValue.Type()
k = fieldType.Kind()
}
}
switch k {
case reflect.Bool:
return fieldValue.Bool(), nil
case reflect.String:
return fieldValue.String(), nil
case reflect.Struct:
if fieldType.ConvertibleTo(core.TimeType) {
t := fieldValue.Convert(core.TimeType).Interface().(time.Time)
tf := session.engine.formatColTime(col, t)
return tf, nil
}
if !col.SQLType.IsJson() {
// !<winxxp>! 增加支持driver.Valuer接口的结构，如sql.NullString
if v, ok := fieldValue.Interface().(driver.Valuer); ok {
return v.Value()
}
fieldTable, err := session.engine.autoMapType(fieldValue)
if err != nil {
return nil, err
}
if len(fieldTable.PrimaryKeys) == 1 {
pkField := reflect.Indirect(fieldValue).FieldByName(fieldTable.PKColumns()[0].FieldName)
return pkField.Interface(), nil
}
return 0, fmt.Errorf("no primary key for col %v", col.Name)
}
if col.SQLType.IsText() {
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
session.engine.logger.Error(err)
return 0, err
}
return string(bytes), nil
} else if col.SQLType.IsBlob() {
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
session.engine.logger.Error(err)
return 0, err
}
return bytes, nil
}
return nil, fmt.Errorf("Unsupported type %v", fieldValue.Type())
case reflect.Complex64, reflect.Complex128:
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
session.engine.logger.Error(err)
return 0, err
}
return string(bytes), nil
case reflect.Array, reflect.Slice, reflect.Map:
if !fieldValue.IsValid() {
return fieldValue.Interface(), nil
}
if col.SQLType.IsText() {
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
session.engine.logger.Error(err)
return 0, err
}
return string(bytes), nil
} else if col.SQLType.IsBlob() {
var bytes []byte
var err error
if (k == reflect.Array || k == reflect.Slice) &&
(fieldValue.Type().Elem().Kind() == reflect.Uint8) {
bytes = fieldValue.Bytes()
} else {
bytes, err = json.Marshal(fieldValue.Interface())
if err != nil {
session.engine.logger.Error(err)
return 0, err
}
}
return bytes, nil
}
return nil, ErrUnSupportedType
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
return int64(fieldValue.Uint()), nil
default:
return fieldValue.Interface(), nil
}
}

240
vendor/github.com/go-xorm/xorm/session_delete.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"errors"
"fmt"
"strconv"
"github.com/go-xorm/core"
)
func (session *Session) cacheDelete(table *core.Table, tableName, sqlStr string, args ...interface{}) error {
if table == nil ||
session.tx != nil {
return ErrCacheFailed
}
for _, filter := range session.engine.dialect.Filters() {
sqlStr = filter.Do(sqlStr, session.engine.dialect, table)
}
newsql := session.statement.convertIDSQL(sqlStr)
if newsql == "" {
return ErrCacheFailed
}
cacher := session.engine.getCacher2(table)
pkColumns := table.PKColumns()
ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
if err != nil {
resultsSlice, err := session.queryBytes(newsql, args...)
if err != nil {
return err
}
ids = make([]core.PK, 0)
if len(resultsSlice) > 0 {
for _, data := range resultsSlice {
var id int64
var pk core.PK = make([]interface{}, 0)
for _, col := range pkColumns {
if v, ok := data[col.Name]; !ok {
return errors.New("no id")
} else if col.SQLType.IsText() {
pk = append(pk, string(v))
} else if col.SQLType.IsNumeric() {
id, err = strconv.ParseInt(string(v), 10, 64)
if err != nil {
return err
}
pk = append(pk, id)
} else {
return errors.New("not supported primary key type")
}
}
ids = append(ids, pk)
}
}
}
for _, id := range ids {
session.engine.logger.Debug("[cacheDelete] delete cache obj:", tableName, id)
sid, err := id.ToString()
if err != nil {
return err
}
cacher.DelBean(tableName, sid)
}
session.engine.logger.Debug("[cacheDelete] clear cache table:", tableName)
cacher.ClearIds(tableName)
return nil
}
// Delete records, bean's non-empty fields are conditions
func (session *Session) Delete(bean interface{}) (int64, error) {
if session.isAutoClose {
defer session.Close()
}
if err := session.statement.setRefValue(rValue(bean)); err != nil {
return 0, err
}
// handle before delete processors
for _, closure := range session.beforeClosures {
closure(bean)
}
cleanupProcessorsClosures(&session.beforeClosures)
if processor, ok := interface{}(bean).(BeforeDeleteProcessor); ok {
processor.BeforeDelete()
}
condSQL, condArgs, err := session.statement.genConds(bean)
if err != nil {
return 0, err
}
if len(condSQL) == 0 && session.statement.LimitN == 0 {
return 0, ErrNeedDeletedCond
}
var tableNameNoQuote = session.statement.TableName()
var tableName = session.engine.Quote(tableNameNoQuote)
var table = session.statement.RefTable
var deleteSQL string
if len(condSQL) > 0 {
deleteSQL = fmt.Sprintf("DELETE FROM %v WHERE %v", tableName, condSQL)
} else {
deleteSQL = fmt.Sprintf("DELETE FROM %v", tableName)
}
var orderSQL string
if len(session.statement.OrderStr) > 0 {
orderSQL += fmt.Sprintf(" ORDER BY %s", session.statement.OrderStr)
}
if session.statement.LimitN > 0 {
orderSQL += fmt.Sprintf(" LIMIT %d", session.statement.LimitN)
}
if len(orderSQL) > 0 {
switch session.engine.dialect.DBType() {
case core.POSTGRES:
inSQL := fmt.Sprintf("ctid IN (SELECT ctid FROM %s%s)", tableName, orderSQL)
if len(condSQL) > 0 {
deleteSQL += " AND " + inSQL
} else {
deleteSQL += " WHERE " + inSQL
}
case core.SQLITE:
inSQL := fmt.Sprintf("rowid IN (SELECT rowid FROM %s%s)", tableName, orderSQL)
if len(condSQL) > 0 {
deleteSQL += " AND " + inSQL
} else {
deleteSQL += " WHERE " + inSQL
}
// TODO: how to handle delete limit on mssql?
case core.MSSQL:
return 0, ErrNotImplemented
default:
deleteSQL += orderSQL
}
}
var realSQL string
argsForCache := make([]interface{}, 0, len(condArgs)*2)
if session.statement.unscoped || table.DeletedColumn() == nil { // tag "deleted" is disabled
realSQL = deleteSQL
copy(argsForCache, condArgs)
argsForCache = append(condArgs, argsForCache...)
} else {
// !oinume! sqlStrForCache and argsForCache is needed to behave as executing "DELETE FROM ..." for cache.
copy(argsForCache, condArgs)
argsForCache = append(condArgs, argsForCache...)
deletedColumn := table.DeletedColumn()
realSQL = fmt.Sprintf("UPDATE %v SET %v = ? WHERE %v",
session.engine.Quote(session.statement.TableName()),
session.engine.Quote(deletedColumn.Name),
condSQL)
if len(orderSQL) > 0 {
switch session.engine.dialect.DBType() {
case core.POSTGRES:
inSQL := fmt.Sprintf("ctid IN (SELECT ctid FROM %s%s)", tableName, orderSQL)
if len(condSQL) > 0 {
realSQL += " AND " + inSQL
} else {
realSQL += " WHERE " + inSQL
}
case core.SQLITE:
inSQL := fmt.Sprintf("rowid IN (SELECT rowid FROM %s%s)", tableName, orderSQL)
if len(condSQL) > 0 {
realSQL += " AND " + inSQL
} else {
realSQL += " WHERE " + inSQL
}
// TODO: how to handle delete limit on mssql?
case core.MSSQL:
return 0, ErrNotImplemented
default:
realSQL += orderSQL
}
}
// !oinume! Insert nowTime to the head of session.statement.Params
condArgs = append(condArgs, "")
paramsLen := len(condArgs)
copy(condArgs[1:paramsLen], condArgs[0:paramsLen-1])
val, t := session.engine.nowTime(deletedColumn)
condArgs[0] = val
var colName = deletedColumn.Name
session.afterClosures = append(session.afterClosures, func(bean interface{}) {
col := table.GetColumn(colName)
setColumnTime(bean, col, t)
})
}
if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
session.cacheDelete(table, tableNameNoQuote, deleteSQL, argsForCache...)
}
session.statement.RefTable = table
res, err := session.exec(realSQL, condArgs...)
if err != nil {
return 0, err
}
// handle after delete processors
if session.isAutoCommit {
for _, closure := range session.afterClosures {
closure(bean)
}
if processor, ok := interface{}(bean).(AfterDeleteProcessor); ok {
processor.AfterDelete()
}
} else {
lenAfterClosures := len(session.afterClosures)
if lenAfterClosures > 0 {
if value, has := session.afterDeleteBeans[bean]; has && value != nil {
*value = append(*value, session.afterClosures...)
} else {
afterClosures := make([]func(interface{}), lenAfterClosures)
copy(afterClosures, session.afterClosures)
session.afterDeleteBeans[bean] = &afterClosures
}
} else {
if _, ok := interface{}(bean).(AfterDeleteProcessor); ok {
session.afterDeleteBeans[bean] = nil
}
}
}
cleanupProcessorsClosures(&session.afterClosures)
// --
return res.RowsAffected()
}

77
vendor/github.com/go-xorm/xorm/session_exist.go generated vendored Normal file
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// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"errors"
"fmt"
"reflect"
"github.com/go-xorm/builder"
)
// Exist returns true if the record exist otherwise return false
func (session *Session) Exist(bean ...interface{}) (bool, error) {
if session.isAutoClose {
defer session.Close()
}
var sqlStr string
var args []interface{}
var err error
if session.statement.RawSQL == "" {
if len(bean) == 0 {
tableName := session.statement.TableName()
if len(tableName) <= 0 {
return false, ErrTableNotFound
}
if session.statement.cond.IsValid() {
condSQL, condArgs, err := builder.ToSQL(session.statement.cond)
if err != nil {
return false, err
}
sqlStr = fmt.Sprintf("SELECT * FROM %s WHERE %s LIMIT 1", tableName, condSQL)
args = condArgs
} else {
sqlStr = fmt.Sprintf("SELECT * FROM %s LIMIT 1", tableName)
args = []interface{}{}
}
} else {
beanValue := reflect.ValueOf(bean[0])
if beanValue.Kind() != reflect.Ptr {
return false, errors.New("needs a pointer")
}
if beanValue.Elem().Kind() == reflect.Struct {
if err := session.statement.setRefValue(beanValue.Elem()); err != nil {
return false, err
}
}
if len(session.statement.TableName()) <= 0 {
return false, ErrTableNotFound
}
session.statement.Limit(1)
sqlStr, args, err = session.statement.genGetSQL(bean[0])
if err != nil {
return false, err
}
}
} else {
sqlStr = session.statement.RawSQL
args = session.statement.RawParams
}
rows, err := session.queryRows(sqlStr, args...)
if err != nil {
return false, err
}
defer rows.Close()
return rows.Next(), nil
}

462
vendor/github.com/go-xorm/xorm/session_find.go generated vendored Normal file
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// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"errors"
"fmt"
"reflect"
"strings"
"github.com/go-xorm/builder"
"github.com/go-xorm/core"
)
const (
tpStruct = iota
tpNonStruct
)
// Find retrieve records from table, condiBeans's non-empty fields
// are conditions. beans could be []Struct, []*Struct, map[int64]Struct
// map[int64]*Struct
func (session *Session) Find(rowsSlicePtr interface{}, condiBean ...interface{}) error {
if session.isAutoClose {
defer session.Close()
}
return session.find(rowsSlicePtr, condiBean...)
}
func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{}) error {
sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
if sliceValue.Kind() != reflect.Slice && sliceValue.Kind() != reflect.Map {
return errors.New("needs a pointer to a slice or a map")
}
sliceElementType := sliceValue.Type().Elem()
var tp = tpStruct
if session.statement.RefTable == nil {
if sliceElementType.Kind() == reflect.Ptr {
if sliceElementType.Elem().Kind() == reflect.Struct {
pv := reflect.New(sliceElementType.Elem())
if err := session.statement.setRefValue(pv.Elem()); err != nil {
return err
}
} else {
tp = tpNonStruct
}
} else if sliceElementType.Kind() == reflect.Struct {
pv := reflect.New(sliceElementType)
if err := session.statement.setRefValue(pv.Elem()); err != nil {
return err
}
} else {
tp = tpNonStruct
}
}
var table = session.statement.RefTable
var addedTableName = (len(session.statement.JoinStr) > 0)
var autoCond builder.Cond
if tp == tpStruct {
if !session.statement.noAutoCondition && len(condiBean) > 0 {
var err error
autoCond, err = session.statement.buildConds(table, condiBean[0], true, true, false, true, addedTableName)
if err != nil {
return err
}
} else {
// !oinume! Add "<col> IS NULL" to WHERE whatever condiBean is given.
// See https://github.com/go-xorm/xorm/issues/179
if col := table.DeletedColumn(); col != nil && !session.statement.unscoped { // tag "deleted" is enabled
var colName = session.engine.Quote(col.Name)
if addedTableName {
var nm = session.statement.TableName()
if len(session.statement.TableAlias) > 0 {
nm = session.statement.TableAlias
}
colName = session.engine.Quote(nm) + "." + colName
}
autoCond = session.engine.CondDeleted(colName)
}
}
}
var sqlStr string
var args []interface{}
var err error
if session.statement.RawSQL == "" {
if len(session.statement.TableName()) <= 0 {
return ErrTableNotFound
}
var columnStr = session.statement.ColumnStr
if len(session.statement.selectStr) > 0 {
columnStr = session.statement.selectStr
} else {
if session.statement.JoinStr == "" {
if columnStr == "" {
if session.statement.GroupByStr != "" {
columnStr = session.statement.Engine.Quote(strings.Replace(session.statement.GroupByStr, ",", session.engine.Quote(","), -1))
} else {
columnStr = session.statement.genColumnStr()
}
}
} else {
if columnStr == "" {
if session.statement.GroupByStr != "" {
columnStr = session.statement.Engine.Quote(strings.Replace(session.statement.GroupByStr, ",", session.engine.Quote(","), -1))
} else {
columnStr = "*"
}
}
}
if columnStr == "" {
columnStr = "*"
}
}
session.statement.cond = session.statement.cond.And(autoCond)
condSQL, condArgs, err := builder.ToSQL(session.statement.cond)
if err != nil {
return err
}
args = append(session.statement.joinArgs, condArgs...)
sqlStr, err = session.statement.genSelectSQL(columnStr, condSQL)
if err != nil {
return err
}
// for mssql and use limit
qs := strings.Count(sqlStr, "?")
if len(args)*2 == qs {
args = append(args, args...)
}
} else {
sqlStr = session.statement.RawSQL
args = session.statement.RawParams
}
if session.canCache() {
if cacher := session.engine.getCacher2(table); cacher != nil &&
!session.statement.IsDistinct &&
!session.statement.unscoped {
err = session.cacheFind(sliceElementType, sqlStr, rowsSlicePtr, args...)
if err != ErrCacheFailed {
return err
}
err = nil // !nashtsai! reset err to nil for ErrCacheFailed
session.engine.logger.Warn("Cache Find Failed")
}
}
return session.noCacheFind(table, sliceValue, sqlStr, args...)
}
func (session *Session) noCacheFind(table *core.Table, containerValue reflect.Value, sqlStr string, args ...interface{}) error {
rows, err := session.queryRows(sqlStr, args...)
if err != nil {
return err
}
defer rows.Close()
fields, err := rows.Columns()
if err != nil {
return err
}
var newElemFunc func(fields []string) reflect.Value
elemType := containerValue.Type().Elem()
var isPointer bool
if elemType.Kind() == reflect.Ptr {
isPointer = true
elemType = elemType.Elem()
}
if elemType.Kind() == reflect.Ptr {
return errors.New("pointer to pointer is not supported")
}
newElemFunc = func(fields []string) reflect.Value {
switch elemType.Kind() {
case reflect.Slice:
slice := reflect.MakeSlice(elemType, len(fields), len(fields))
x := reflect.New(slice.Type())
x.Elem().Set(slice)
return x
case reflect.Map:
mp := reflect.MakeMap(elemType)
x := reflect.New(mp.Type())
x.Elem().Set(mp)
return x
}
return reflect.New(elemType)
}
var containerValueSetFunc func(*reflect.Value, core.PK) error
if containerValue.Kind() == reflect.Slice {
containerValueSetFunc = func(newValue *reflect.Value, pk core.PK) error {
if isPointer {
containerValue.Set(reflect.Append(containerValue, newValue.Elem().Addr()))
} else {
containerValue.Set(reflect.Append(containerValue, newValue.Elem()))
}
return nil
}
} else {
keyType := containerValue.Type().Key()
if len(table.PrimaryKeys) == 0 {
return errors.New("don't support multiple primary key's map has non-slice key type")
}
if len(table.PrimaryKeys) > 1 && keyType.Kind() != reflect.Slice {
return errors.New("don't support multiple primary key's map has non-slice key type")
}
containerValueSetFunc = func(newValue *reflect.Value, pk core.PK) error {
keyValue := reflect.New(keyType)
err := convertPKToValue(table, keyValue.Interface(), pk)
if err != nil {
return err
}
if isPointer {
containerValue.SetMapIndex(keyValue.Elem(), newValue.Elem().Addr())
} else {
containerValue.SetMapIndex(keyValue.Elem(), newValue.Elem())
}
return nil
}
}
if elemType.Kind() == reflect.Struct {
var newValue = newElemFunc(fields)
dataStruct := rValue(newValue.Interface())
tb, err := session.engine.autoMapType(dataStruct)
if err != nil {
return err
}
err = session.rows2Beans(rows, fields, tb, newElemFunc, containerValueSetFunc)
rows.Close()
if err != nil {
return err
}
return session.executeProcessors()
}
for rows.Next() {
var newValue = newElemFunc(fields)
bean := newValue.Interface()
switch elemType.Kind() {
case reflect.Slice:
err = rows.ScanSlice(bean)
case reflect.Map:
err = rows.ScanMap(bean)
default:
err = rows.Scan(bean)
}
if err != nil {
return err
}
if err := containerValueSetFunc(&newValue, nil); err != nil {
return err
}
}
return nil
}
func convertPKToValue(table *core.Table, dst interface{}, pk core.PK) error {
cols := table.PKColumns()
if len(cols) == 1 {
return convertAssign(dst, pk[0])
}
dst = pk
return nil
}
func (session *Session) cacheFind(t reflect.Type, sqlStr string, rowsSlicePtr interface{}, args ...interface{}) (err error) {
if !session.canCache() ||
indexNoCase(sqlStr, "having") != -1 ||
indexNoCase(sqlStr, "group by") != -1 {
return ErrCacheFailed
}
for _, filter := range session.engine.dialect.Filters() {
sqlStr = filter.Do(sqlStr, session.engine.dialect, session.statement.RefTable)
}
newsql := session.statement.convertIDSQL(sqlStr)
if newsql == "" {
return ErrCacheFailed
}
tableName := session.statement.TableName()
table := session.statement.RefTable
cacher := session.engine.getCacher2(table)
ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
if err != nil {
rows, err := session.queryRows(newsql, args...)
if err != nil {
return err
}
defer rows.Close()
var i int
ids = make([]core.PK, 0)
for rows.Next() {
i++
if i > 500 {
session.engine.logger.Debug("[cacheFind] ids length > 500, no cache")
return ErrCacheFailed
}
var res = make([]string, len(table.PrimaryKeys))
err = rows.ScanSlice(&res)
if err != nil {
return err
}
var pk core.PK = make([]interface{}, len(table.PrimaryKeys))
for i, col := range table.PKColumns() {
pk[i], err = session.engine.idTypeAssertion(col, res[i])
if err != nil {
return err
}
}
ids = append(ids, pk)
}
session.engine.logger.Debug("[cacheFind] cache sql:", ids, tableName, sqlStr, newsql, args)
err = core.PutCacheSql(cacher, ids, tableName, newsql, args)
if err != nil {
return err
}
} else {
session.engine.logger.Debug("[cacheFind] cache hit sql:", tableName, sqlStr, newsql, args)
}
sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
ididxes := make(map[string]int)
var ides []core.PK
var temps = make([]interface{}, len(ids))
for idx, id := range ids {
sid, err := id.ToString()
if err != nil {
return err
}
bean := cacher.GetBean(tableName, sid)
if bean == nil || reflect.ValueOf(bean).Elem().Type() != t {
ides = append(ides, id)
ididxes[sid] = idx
} else {
session.engine.logger.Debug("[cacheFind] cache hit bean:", tableName, id, bean)
pk := session.engine.IdOf(bean)
xid, err := pk.ToString()
if err != nil {
return err
}
if sid != xid {
session.engine.logger.Error("[cacheFind] error cache", xid, sid, bean)
return ErrCacheFailed
}
temps[idx] = bean
}
}
if len(ides) > 0 {
slices := reflect.New(reflect.SliceOf(t))
beans := slices.Interface()
if len(table.PrimaryKeys) == 1 {
ff := make([]interface{}, 0, len(ides))
for _, ie := range ides {
ff = append(ff, ie[0])
}
session.In("`"+table.PrimaryKeys[0]+"`", ff...)
} else {
for _, ie := range ides {
cond := builder.NewCond()
for i, name := range table.PrimaryKeys {
cond = cond.And(builder.Eq{"`" + name + "`": ie[i]})
}
session.Or(cond)
}
}
err = session.NoCache().Table(tableName).find(beans)
if err != nil {
return err
}
vs := reflect.Indirect(reflect.ValueOf(beans))
for i := 0; i < vs.Len(); i++ {
rv := vs.Index(i)
if rv.Kind() != reflect.Ptr {
rv = rv.Addr()
}
id, err := session.engine.idOfV(rv)
if err != nil {
return err
}
sid, err := id.ToString()
if err != nil {
return err
}
bean := rv.Interface()
temps[ididxes[sid]] = bean
session.engine.logger.Debug("[cacheFind] cache bean:", tableName, id, bean, temps)
cacher.PutBean(tableName, sid, bean)
}
}
for j := 0; j < len(temps); j++ {
bean := temps[j]
if bean == nil {
session.engine.logger.Warn("[cacheFind] cache no hit:", tableName, ids[j], temps)
// return errors.New("cache error") // !nashtsai! no need to return error, but continue instead
continue
}
if sliceValue.Kind() == reflect.Slice {
if t.Kind() == reflect.Ptr {
sliceValue.Set(reflect.Append(sliceValue, reflect.ValueOf(bean)))
} else {
sliceValue.Set(reflect.Append(sliceValue, reflect.Indirect(reflect.ValueOf(bean))))
}
} else if sliceValue.Kind() == reflect.Map {
var key = ids[j]
keyType := sliceValue.Type().Key()
var ikey interface{}
if len(key) == 1 {
ikey, err = str2PK(fmt.Sprintf("%v", key[0]), keyType)
if err != nil {
return err
}
} else {
if keyType.Kind() != reflect.Slice {
return errors.New("table have multiple primary keys, key is not core.PK or slice")
}
ikey = key
}
if t.Kind() == reflect.Ptr {
sliceValue.SetMapIndex(reflect.ValueOf(ikey), reflect.ValueOf(bean))
} else {
sliceValue.SetMapIndex(reflect.ValueOf(ikey), reflect.Indirect(reflect.ValueOf(bean)))
}
}
}
return nil
}

203
vendor/github.com/go-xorm/xorm/session_get.go generated vendored Normal file
View File

@ -0,0 +1,203 @@
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"errors"
"reflect"
"strconv"
"github.com/go-xorm/core"
)
// Get retrieve one record from database, bean's non-empty fields
// will be as conditions
func (session *Session) Get(bean interface{}) (bool, error) {
if session.isAutoClose {
defer session.Close()
}
return session.get(bean)
}
func (session *Session) get(bean interface{}) (bool, error) {
beanValue := reflect.ValueOf(bean)
if beanValue.Kind() != reflect.Ptr {
return false, errors.New("needs a pointer to a value")
} else if beanValue.Elem().Kind() == reflect.Ptr {
return false, errors.New("a pointer to a pointer is not allowed")
}
if beanValue.Elem().Kind() == reflect.Struct {
if err := session.statement.setRefValue(beanValue.Elem()); err != nil {
return false, err
}
}
var sqlStr string
var args []interface{}
var err error
if session.statement.RawSQL == "" {
if len(session.statement.TableName()) <= 0 {
return false, ErrTableNotFound
}
session.statement.Limit(1)
sqlStr, args, err = session.statement.genGetSQL(bean)
if err != nil {
return false, err
}
} else {
sqlStr = session.statement.RawSQL
args = session.statement.RawParams
}
table := session.statement.RefTable
if session.canCache() && beanValue.Elem().Kind() == reflect.Struct {
if cacher := session.engine.getCacher2(table); cacher != nil &&
!session.statement.unscoped {
has, err := session.cacheGet(bean, sqlStr, args...)
if err != ErrCacheFailed {
return has, err
}
}
}
return session.nocacheGet(beanValue.Elem().Kind(), table, bean, sqlStr, args...)
}
func (session *Session) nocacheGet(beanKind reflect.Kind, table *core.Table, bean interface{}, sqlStr string, args ...interface{}) (bool, error) {
rows, err := session.queryRows(sqlStr, args...)
if err != nil {
return false, err
}
defer rows.Close()
if !rows.Next() {
return false, nil
}
switch beanKind {
case reflect.Struct:
fields, err := rows.Columns()
if err != nil {
// WARN: Alougth rows return true, but get fields failed
return true, err
}
scanResults, err := session.row2Slice(rows, fields, bean)
if err != nil {
return false, err
}
// close it before covert data
rows.Close()
dataStruct := rValue(bean)
_, err = session.slice2Bean(scanResults, fields, bean, &dataStruct, table)
if err != nil {
return true, err
}
return true, session.executeProcessors()
case reflect.Slice:
err = rows.ScanSlice(bean)
case reflect.Map:
err = rows.ScanMap(bean)
default:
err = rows.Scan(bean)
}
return true, err
}
func (session *Session) cacheGet(bean interface{}, sqlStr string, args ...interface{}) (has bool, err error) {
// if has no reftable, then don't use cache currently
if !session.canCache() {
return false, ErrCacheFailed
}
for _, filter := range session.engine.dialect.Filters() {
sqlStr = filter.Do(sqlStr, session.engine.dialect, session.statement.RefTable)
}
newsql := session.statement.convertIDSQL(sqlStr)
if newsql == "" {
return false, ErrCacheFailed
}
cacher := session.engine.getCacher2(session.statement.RefTable)
tableName := session.statement.TableName()
session.engine.logger.Debug("[cacheGet] find sql:", newsql, args)
table := session.statement.RefTable
ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
if err != nil {
var res = make([]string, len(table.PrimaryKeys))
rows, err := session.NoCache().queryRows(newsql, args...)
if err != nil {
return false, err
}
defer rows.Close()
if rows.Next() {
err = rows.ScanSlice(&res)
if err != nil {
return false, err
}
} else {
return false, ErrCacheFailed
}
var pk core.PK = make([]interface{}, len(table.PrimaryKeys))
for i, col := range table.PKColumns() {
if col.SQLType.IsText() {
pk[i] = res[i]
} else if col.SQLType.IsNumeric() {
n, err := strconv.ParseInt(res[i], 10, 64)
if err != nil {
return false, err
}
pk[i] = n
} else {
return false, errors.New("unsupported")
}
}
ids = []core.PK{pk}
session.engine.logger.Debug("[cacheGet] cache ids:", newsql, ids)
err = core.PutCacheSql(cacher, ids, tableName, newsql, args)
if err != nil {
return false, err
}
} else {
session.engine.logger.Debug("[cacheGet] cache hit sql:", newsql, ids)
}
if len(ids) > 0 {
structValue := reflect.Indirect(reflect.ValueOf(bean))
id := ids[0]
session.engine.logger.Debug("[cacheGet] get bean:", tableName, id)
sid, err := id.ToString()
if err != nil {
return false, err
}
cacheBean := cacher.GetBean(tableName, sid)
if cacheBean == nil {
cacheBean = bean
has, err = session.nocacheGet(reflect.Struct, table, cacheBean, sqlStr, args...)
if err != nil || !has {
return has, err
}
session.engine.logger.Debug("[cacheGet] cache bean:", tableName, id, cacheBean)
cacher.PutBean(tableName, sid, cacheBean)
} else {
session.engine.logger.Debug("[cacheGet] cache hit bean:", tableName, id, cacheBean)
has = true
}
structValue.Set(reflect.Indirect(reflect.ValueOf(cacheBean)))
return has, nil
}
return false, nil
}

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