pkg/migration/migration.go

@@ -26,4 +26,63 @@ func Migrate() {
 	// Because init() does not guarantee the order in which these are added to the slice,
 	// we need to sort them to ensure that they are in order
 
+	/*
+		XORM logs from try.vikunja.io:
+
+	Table users Column email db default is 'NULL', struct default is
+	Table users Column is_active db default is NULL, struct default is
+	Table users Column password_reset_token db default is 'NULL', struct default is
+	Table users Column email_confirm_token db default is 'NULL', struct default is
+	Table users Column created db default is NULL, struct default is
+	Table users Column updated db default is NULL, struct default is
+	Table list Column title db default is 'NULL', struct default is
+	Table list Column description db default is 'NULL', struct default is
+	Table list Column owner_id db default is NULL, struct default is
+	Table list Column namespace_id db default is NULL, struct default is
+	Table list Column created db default is NULL, struct default is
+	Table list Column updated db default is NULL, struct default is
+	Table tasks Column text db default is 'NULL', struct default is
+	Table tasks Column description db default is 'NULL', struct default is
+	Table tasks Column done db default is NULL, struct default is
+	Table tasks Column due_date_unix db default is NULL, struct default is
+	Table tasks Column reminders_unix db default is 'NULL', struct default is
+	Table tasks Column created_by_id db default is NULL, struct default is
+	Table tasks Column list_id db default is NULL, struct default is
+	Table tasks Column repeat_after db default is NULL, struct default is
+	Table tasks Column parent_task_id db default is NULL, struct default is
+	Table tasks Column priority db default is NULL, struct default is
+	Table tasks Column start_date_unix db default is NULL, struct default is
+	Table tasks Column end_date_unix db default is NULL, struct default is
+	Table tasks Column created db default is NULL, struct default is
+	Table tasks Column updated db default is NULL, struct default is
+	Table teams Column description db default is 'NULL', struct default is
+	Table teams Column created db default is NULL, struct default is
+	Table teams Column updated db default is NULL, struct default is
+	Table team_members Column admin db default is NULL, struct default is
+	Table team_members Column created db default is NULL, struct default is
+	Table team_list Column right db default is NULL, struct default is
+	Table team_list Column created db default is NULL, struct default is
+	Table team_list Column updated db default is NULL, struct default is
+	Table team_namespaces Column right db default is NULL, struct default is
+	Table team_namespaces Column created db default is NULL, struct default is
+	Table team_namespaces Column updated db default is NULL, struct default is
+	Table namespaces Column name db default is 'NULL', struct default is
+	Table namespaces Column description db default is 'NULL', struct default is
+	Table namespaces Column created db default is NULL, struct default is
+	Table namespaces Column updated db default is NULL, struct default is
+	Table users_list Column right db default is NULL, struct default is
+	Table users_list Column created db default is NULL, struct default is
+	Table users_list Column updated db default is NULL, struct default is
+	Table users_namespace Column right db default is NULL, struct default is
+	Table users_namespace Column created db default is NULL, struct default is
+	Table users_namespace Column updated db default is NULL, struct default is
+	Table task_assignees Column created db default is NULL, struct default is
+	Table labels Column description db default is 'NULL', struct default is
+	Table labels Column hex_color db default is 'NULL', struct default is
+	Table labels Column created db default is NULL, struct default is
+	Table labels Column updated db default is NULL, struct default is
+	Table label_task Column created db default is NULL, struct default is
+	Table tasks has column reminder_unix but struct has not related field
+	Table team_members has column updated but struct has not related field
+	*/
 }

vendor/github.com/go-xorm/builder/README.md

@@ -1,26 +1,47 @@
 # SQL builder
 
-[![CircleCI](https://circleci.com/gh/go-xorm/builder/tree/master.svg?style=svg)](https://circleci.com/gh/go-xorm/builder/tree/master)
+[![GitCI.cn](https://gitci.cn/api/badges/go-xorm/builder/status.svg)](https://gitci.cn/go-xorm/builder)  [![codecov](https://codecov.io/gh/go-xorm/builder/branch/master/graph/badge.svg)](https://codecov.io/gh/go-xorm/builder)
+[![](https://goreportcard.com/badge/github.com/go-xorm/builder)](https://goreportcard.com/report/github.com/go-xorm/builder)
 
 Package builder is a lightweight and fast SQL builder for Go and XORM.
 
-Make sure you have installed Go 1.1+ and then:
+Make sure you have installed Go 1.8+ and then:
 
     go get github.com/go-xorm/builder
 
 # Insert
 
 ```Go
-sql, args, err := Insert(Eq{"c": 1, "d": 2}).Into("table1").ToSQL()
+sql, args, err := builder.Insert(Eq{"c": 1, "d": 2}).Into("table1").ToSQL()
+
+// INSERT INTO table1 SELECT * FROM table2
+sql, err := builder.Insert().Into("table1").Select().From("table2").ToBoundSQL()
+
+// INSERT INTO table1 (a, b) SELECT b, c FROM table2
+sql, err = builder.Insert("a, b").Into("table1").Select("b, c").From("table2").ToBoundSQL()
 ```
 
 # Select
 
 ```Go
+// Simple Query
 sql, args, err := Select("c, d").From("table1").Where(Eq{"a": 1}).ToSQL()
-
+// With join
 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()
+// From sub query
+sql, args, err := Select("sub.id").From(Select("c").From("table1").Where(Eq{"a": 1}), "sub").Where(Eq{"b": 1}).ToSQL()
+// From union query
+sql, args, err = Select("sub.id").From(
+	Select("id").From("table1").Where(Eq{"a": 1}).Union("all", Select("id").From("table1").Where(Eq{"a": 2})),"sub").
+	Where(Eq{"b": 1}).ToSQL()
+// With order by
+sql, args, err = Select("a", "b", "c").From("table1").Where(Eq{"f1": "v1", "f2": "v2"}).
+		OrderBy("a ASC").ToSQL()
+// With limit.
+// Be careful! You should set up specific dialect for builder before performing a query with LIMIT
+sql, args, err = Dialect(MYSQL).Select("a", "b", "c").From("table1").OrderBy("a ASC").
+		Limit(5, 10).ToSQL()
 ```
 
 # Update
@@ -35,6 +56,16 @@ sql, args, err := Update(Eq{"a": 2}).From("table1").Where(Eq{"a": 1}).ToSQL()
 sql, args, err := Delete(Eq{"a": 1}).From("table1").ToSQL()
 ```
 
+# Union
+
+```Go
+sql, args, err := Select("*").From("a").Where(Eq{"status": "1"}).
+		Union("all", Select("*").From("a").Where(Eq{"status": "2"})).
+		Union("distinct", Select("*").From("a").Where(Eq{"status": "3"})).
+		Union("", Select("*").From("a").Where(Eq{"status": "4"})).
+		ToSQL()
+```
+
 # Conditions
 
 * `Eq` is a redefine of a map, you can give one or more conditions to `Eq`

vendor/github.com/go-xorm/builder/builder.go

@@ -4,6 +4,12 @@
 
 package builder
 
+import (
+	sql2 "database/sql"
+	"fmt"
+	"sort"
+)
+
 type optype byte
 
 const (
@@ -12,6 +18,15 @@ const (
 	insertType               // insert
 	updateType               // update
 	deleteType               // delete
+	unionType                // union
+)
+
+const (
+	POSTGRES = "postgres"
+	SQLITE   = "sqlite3"
+	MYSQL    = "mysql"
+	MSSQL    = "mssql"
+	ORACLE   = "oracle"
 )
 
 type join struct {
@@ -20,60 +35,115 @@ type join struct {
 	joinCond  Cond
 }
 
+type union struct {
+	unionType string
+	builder   *Builder
+}
+
+type limit struct {
+	limitN int
+	offset int
+}
+
 // Builder describes a SQL statement
 type Builder struct {
 	optype
-	tableName string
+	dialect    string
-	cond      Cond
+	isNested   bool
-	selects   []string
+	into       string
-	joins     []join
+	from       string
-	inserts   Eq
+	subQuery   *Builder
-	updates   []Eq
+	cond       Cond
+	selects    []string
+	joins      []join
+	unions     []union
+	limitation *limit
+	insertCols []string
+	insertVals []interface{}
+	updates    []Eq
+	orderBy    string
+	groupBy    string
+	having     string
 }
 
-// Select creates a select Builder
+// Dialect sets the db dialect of Builder.
-func Select(cols ...string) *Builder {
+func Dialect(dialect string) *Builder {
-	builder := &Builder{cond: NewCond()}
+	builder := &Builder{cond: NewCond(), dialect: dialect}
-	return builder.Select(cols...)
+	return builder
 }
 
-// Insert creates an insert Builder
+// MySQL is shortcut of Dialect(MySQL)
-func Insert(eq Eq) *Builder {
+func MySQL() *Builder {
-	builder := &Builder{cond: NewCond()}
+	return Dialect(MYSQL)
-	return builder.Insert(eq)
 }
 
-// Update creates an update Builder
+// MsSQL is shortcut of Dialect(MsSQL)
-func Update(updates ...Eq) *Builder {
+func MsSQL() *Builder {
-	builder := &Builder{cond: NewCond()}
+	return Dialect(MSSQL)
-	return builder.Update(updates...)
 }
 
-// Delete creates a delete Builder
+// Oracle is shortcut of Dialect(Oracle)
-func Delete(conds ...Cond) *Builder {
+func Oracle() *Builder {
-	builder := &Builder{cond: NewCond()}
+	return Dialect(ORACLE)
-	return builder.Delete(conds...)
+}
+
+// Postgres is shortcut of Dialect(Postgres)
+func Postgres() *Builder {
+	return Dialect(POSTGRES)
+}
+
+// SQLite is shortcut of Dialect(SQLITE)
+func SQLite() *Builder {
+	return Dialect(SQLITE)
 }
 
 // Where sets where SQL
 func (b *Builder) Where(cond Cond) *Builder {
-	b.cond = b.cond.And(cond)
+	if b.cond.IsValid() {
+		b.cond = b.cond.And(cond)
+	} else {
+		b.cond = cond
+	}
 	return b
 }
 
-// From sets the table name
+// From sets from subject(can be a table name in string or a builder pointer) and its alias
-func (b *Builder) From(tableName string) *Builder {
+func (b *Builder) From(subject interface{}, alias ...string) *Builder {
-	b.tableName = tableName
+	switch subject.(type) {
+	case *Builder:
+		b.subQuery = subject.(*Builder)
+
+		if len(alias) > 0 {
+			b.from = alias[0]
+		} else {
+			b.isNested = true
+		}
+	case string:
+		b.from = subject.(string)
+
+		if len(alias) > 0 {
+			b.from = b.from + " " + alias[0]
+		}
+	}
+
 	return b
 }
 
+// TableName returns the table name
+func (b *Builder) TableName() string {
+	if b.optype == insertType {
+		return b.into
+	}
+	return b.from
+}
+
 // Into sets insert table name
 func (b *Builder) Into(tableName string) *Builder {
-	b.tableName = tableName
+	b.into = tableName
 	return b
 }
 
-// Join sets join table and contions
+// Join sets join table and conditions
 func (b *Builder) Join(joinType, joinTable string, joinCond interface{}) *Builder {
 	switch joinCond.(type) {
 	case Cond:
@@ -85,6 +155,50 @@ func (b *Builder) Join(joinType, joinTable string, joinCond interface{}) *Builde
 	return b
 }
 
+// Union sets union conditions
+func (b *Builder) Union(unionTp string, unionCond *Builder) *Builder {
+	var builder *Builder
+	if b.optype != unionType {
+		builder = &Builder{cond: NewCond()}
+		builder.optype = unionType
+		builder.dialect = b.dialect
+		builder.selects = b.selects
+
+		currentUnions := b.unions
+		// erase sub unions (actually append to new Builder.unions)
+		b.unions = nil
+
+		for e := range currentUnions {
+			currentUnions[e].builder.dialect = b.dialect
+		}
+
+		builder.unions = append(append(builder.unions, union{"", b}), currentUnions...)
+	} else {
+		builder = b
+	}
+
+	if unionCond != nil {
+		if unionCond.dialect == "" && builder.dialect != "" {
+			unionCond.dialect = builder.dialect
+		}
+
+		builder.unions = append(builder.unions, union{unionTp, unionCond})
+	}
+
+	return builder
+}
+
+// Limit sets limitN condition
+func (b *Builder) Limit(limitN int, offset ...int) *Builder {
+	b.limitation = &limit{limitN: limitN}
+
+	if len(offset) > 0 {
+		b.limitation.offset = offset[0]
+	}
+
+	return b
+}
+
 // InnerJoin sets inner join
 func (b *Builder) InnerJoin(joinTable string, joinCond interface{}) *Builder {
 	return b.Join("INNER", joinTable, joinCond)
@@ -113,7 +227,9 @@ func (b *Builder) FullJoin(joinTable string, joinCond interface{}) *Builder {
 // Select sets select SQL
 func (b *Builder) Select(cols ...string) *Builder {
 	b.selects = cols
-	b.optype = selectType
+	if b.optype == condType {
+		b.optype = selectType
+	}
 	return b
 }
 
@@ -130,15 +246,52 @@ func (b *Builder) Or(cond Cond) *Builder {
 }
 
 // Insert sets insert SQL
-func (b *Builder) Insert(eq Eq) *Builder {
+func (b *Builder) Insert(eq ...interface{}) *Builder {
-	b.inserts = eq
+	if len(eq) > 0 {
+		var paramType = -1
+		for _, e := range eq {
+			switch t := e.(type) {
+			case Eq:
+				if paramType == -1 {
+					paramType = 0
+				}
+				if paramType != 0 {
+					break
+				}
+				for k, v := range t {
+					b.insertCols = append(b.insertCols, k)
+					b.insertVals = append(b.insertVals, v)
+				}
+			case string:
+				if paramType == -1 {
+					paramType = 1
+				}
+				if paramType != 1 {
+					break
+				}
+				b.insertCols = append(b.insertCols, t)
+			}
+		}
+	}
+
+	if len(b.insertCols) == len(b.insertVals) {
+		sort.Slice(b.insertVals, func(i, j int) bool {
+			return b.insertCols[i] < b.insertCols[j]
+		})
+		sort.Strings(b.insertCols)
+	}
 	b.optype = insertType
 	return b
 }
 
 // Update sets update SQL
 func (b *Builder) Update(updates ...Eq) *Builder {
-	b.updates = updates
+	b.updates = make([]Eq, 0, len(updates))
+	for _, update := range updates {
+		if update.IsValid() {
+			b.updates = append(b.updates, update)
+		}
+	}
 	b.optype = updateType
 	return b
 }
@@ -153,8 +306,8 @@ func (b *Builder) Delete(conds ...Cond) *Builder {
 // WriteTo implements Writer interface
 func (b *Builder) WriteTo(w Writer) error {
 	switch b.optype {
-	case condType:
+	/*case condType:
-		return b.cond.WriteTo(w)
+	return b.cond.WriteTo(w)*/
 	case selectType:
 		return b.selectWriteTo(w)
 	case insertType:
@@ -163,6 +316,8 @@ func (b *Builder) WriteTo(w Writer) error {
 		return b.updateWriteTo(w)
 	case deleteType:
 		return b.deleteWriteTo(w)
+	case unionType:
+		return b.unionWriteTo(w)
 	}
 
 	return ErrNotSupportType
@@ -175,16 +330,48 @@ func (b *Builder) ToSQL() (string, []interface{}, error) {
 		return "", nil, err
 	}
 
-	return w.writer.String(), w.args, nil
+	// in case of sql.NamedArg in args
+	for e := range w.args {
+		if namedArg, ok := w.args[e].(sql2.NamedArg); ok {
+			w.args[e] = namedArg.Value
+		}
+	}
+
+	var sql = w.writer.String()
+	var err error
+
+	switch b.dialect {
+	case ORACLE, MSSQL:
+		// This is for compatibility with different sql drivers
+		for e := range w.args {
+			w.args[e] = sql2.Named(fmt.Sprintf("p%d", e+1), w.args[e])
+		}
+
+		var prefix string
+		if b.dialect == ORACLE {
+			prefix = ":p"
+		} else {
+			prefix = "@p"
+		}
+
+		if sql, err = ConvertPlaceholder(sql, prefix); err != nil {
+			return "", nil, err
+		}
+	case POSTGRES:
+		if sql, err = ConvertPlaceholder(sql, "$"); err != nil {
+			return "", nil, err
+		}
+	}
+
+	return sql, w.args, nil
 }
 
-// ToSQL convert a builder or condtions to SQL and args
+// ToBoundSQL
-func ToSQL(cond interface{}) (string, []interface{}, error) {
+func (b *Builder) ToBoundSQL() (string, error) {
-	switch cond.(type) {
+	w := NewWriter()
-	case Cond:
+	if err := b.WriteTo(w); err != nil {
-		return condToSQL(cond.(Cond))
+		return "", err
-	case *Builder:
-		return cond.(*Builder).ToSQL()
 	}
-	return "", nil, ErrNotSupportType
+
+	return ConvertToBoundSQL(w.writer.String(), w.args)
 }

vendor/github.com/go-xorm/builder/builder_delete.go

@@ -5,16 +5,21 @@
 package builder
 
 import (
-	"errors"
 	"fmt"
 )
 
+// Delete creates a delete Builder
+func Delete(conds ...Cond) *Builder {
+	builder := &Builder{cond: NewCond()}
+	return builder.Delete(conds...)
+}
+
 func (b *Builder) deleteWriteTo(w Writer) error {
-	if len(b.tableName) <= 0 {
+	if len(b.from) <= 0 {
-		return errors.New("no table indicated")
+		return ErrNoTableName
 	}
 
-	if _, err := fmt.Fprintf(w, "DELETE FROM %s WHERE ", b.tableName); err != nil {
+	if _, err := fmt.Fprintf(w, "DELETE FROM %s WHERE ", b.from); err != nil {
 		return err
 	}
 

vendor/github.com/go-xorm/builder/builder_insert.go

@@ -6,37 +6,63 @@ package builder
 
 import (
 	"bytes"
-	"errors"
 	"fmt"
 )
 
-func (b *Builder) insertWriteTo(w Writer) error {
+// Insert creates an insert Builder
-	if len(b.tableName) <= 0 {
+func Insert(eq ...interface{}) *Builder {
-		return errors.New("no table indicated")
+	builder := &Builder{cond: NewCond()}
-	}
+	return builder.Insert(eq...)
-	if len(b.inserts) <= 0 {
+}
-		return errors.New("no column to be update")
+
+func (b *Builder) insertSelectWriteTo(w Writer) error {
+	if _, err := fmt.Fprintf(w, "INSERT INTO %s ", b.into); err != nil {
+		return err
 	}
 
-	if _, err := fmt.Fprintf(w, "INSERT INTO %s (", b.tableName); err != nil {
+	if len(b.insertCols) > 0 {
+		fmt.Fprintf(w, "(")
+		for _, col := range b.insertCols {
+			fmt.Fprintf(w, col)
+		}
+		fmt.Fprintf(w, ") ")
+	}
+
+	return b.selectWriteTo(w)
+}
+
+func (b *Builder) insertWriteTo(w Writer) error {
+	if len(b.into) <= 0 {
+		return ErrNoTableName
+	}
+	if len(b.insertCols) <= 0 && b.from == "" {
+		return ErrNoColumnToInsert
+	}
+
+	if b.into != "" && b.from != "" {
+		return b.insertSelectWriteTo(w)
+	}
+
+	if _, err := fmt.Fprintf(w, "INSERT INTO %s (", b.into); 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 {
+	for i, col := range b.insertCols {
+		value := b.insertVals[i]
 		fmt.Fprint(w, col)
 		if e, ok := value.(expr); ok {
-			fmt.Fprint(valBuffer, e.sql)
+			fmt.Fprintf(valBuffer, "(%s)", e.sql)
 			args = append(args, e.args...)
 		} else {
 			fmt.Fprint(valBuffer, "?")
 			args = append(args, value)
 		}
 
-		if i != len(b.inserts)-1 {
+		if i != len(b.insertCols)-1 {
 			if _, err := fmt.Fprint(w, ","); err != nil {
 				return err
 			}
@@ -44,7 +70,6 @@ func (b *Builder) insertWriteTo(w Writer) error {
 				return err
 			}
 		}
-		i = i + 1
 	}
 
 	if _, err := fmt.Fprint(w, ") Values ("); err != nil {

vendor/github.com/go-xorm/builder/builder_select.go

@@ -5,13 +5,24 @@
 package builder
 
 import (
-	"errors"
 	"fmt"
 )
 
+// Select creates a select Builder
+func Select(cols ...string) *Builder {
+	builder := &Builder{cond: NewCond()}
+	return builder.Select(cols...)
+}
+
 func (b *Builder) selectWriteTo(w Writer) error {
-	if len(b.tableName) <= 0 {
+	if len(b.from) <= 0 && !b.isNested {
-		return errors.New("no table indicated")
+		return ErrNoTableName
+	}
+
+	// perform limit before writing to writer when b.dialect between ORACLE and MSSQL
+	// this avoid a duplicate writing problem in simple limit query
+	if b.limitation != nil && (b.dialect == ORACLE || b.dialect == MSSQL) {
+		return b.limitWriteTo(w)
 	}
 
 	if _, err := fmt.Fprint(w, "SELECT "); err != nil {
@@ -34,20 +45,101 @@ func (b *Builder) selectWriteTo(w Writer) error {
 		}
 	}
 
-	if _, err := fmt.Fprintf(w, " FROM %s", b.tableName); err != nil {
+	if b.subQuery == nil {
-		return err
+		if _, err := fmt.Fprint(w, " FROM ", b.from); err != nil {
+			return err
+		}
+	} else {
+		if b.cond.IsValid() && len(b.from) <= 0 {
+			return ErrUnnamedDerivedTable
+		}
+		if b.subQuery.dialect != "" && b.dialect != b.subQuery.dialect {
+			return ErrInconsistentDialect
+		}
+
+		// dialect of sub-query will inherit from the main one (if not set up)
+		if b.dialect != "" && b.subQuery.dialect == "" {
+			b.subQuery.dialect = b.dialect
+		}
+
+		switch b.subQuery.optype {
+		case selectType, unionType:
+			fmt.Fprint(w, " FROM (")
+			if err := b.subQuery.WriteTo(w); err != nil {
+				return err
+			}
+
+			if len(b.from) == 0 {
+				fmt.Fprintf(w, ")")
+			} else {
+				fmt.Fprintf(w, ") %v", b.from)
+			}
+		default:
+			return ErrUnexpectedSubQuery
+		}
 	}
 
 	for _, v := range b.joins {
-		fmt.Fprintf(w, " %s JOIN %s ON ", v.joinType, v.joinTable)
+		if _, err := fmt.Fprintf(w, " %s JOIN %s ON ", v.joinType, v.joinTable); err != nil {
+			return err
+		}
+
 		if err := v.joinCond.WriteTo(w); err != nil {
 			return err
 		}
 	}
 
-	if _, err := fmt.Fprint(w, " WHERE "); err != nil {
+	if b.cond.IsValid() {
-		return err
+		if _, err := fmt.Fprint(w, " WHERE "); err != nil {
+			return err
+		}
+
+		if err := b.cond.WriteTo(w); err != nil {
+			return err
+		}
 	}
 
-	return b.cond.WriteTo(w)
+	if len(b.groupBy) > 0 {
+		if _, err := fmt.Fprint(w, " GROUP BY ", b.groupBy); err != nil {
+			return err
+		}
+	}
+
+	if len(b.having) > 0 {
+		if _, err := fmt.Fprint(w, " HAVING ", b.having); err != nil {
+			return err
+		}
+	}
+
+	if len(b.orderBy) > 0 {
+		if _, err := fmt.Fprint(w, " ORDER BY ", b.orderBy); err != nil {
+			return err
+		}
+	}
+
+	if b.limitation != nil {
+		if err := b.limitWriteTo(w); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// OrderBy orderBy SQL
+func (b *Builder) OrderBy(orderBy string) *Builder {
+	b.orderBy = orderBy
+	return b
+}
+
+// GroupBy groupby SQL
+func (b *Builder) GroupBy(groupby string) *Builder {
+	b.groupBy = groupby
+	return b
+}
+
+// Having having SQL
+func (b *Builder) Having(having string) *Builder {
+	b.having = having
+	return b
 }

vendor/github.com/go-xorm/builder/builder_update.go

@@ -5,19 +5,24 @@
 package builder
 
 import (
-	"errors"
 	"fmt"
 )
 
+// Update creates an update Builder
+func Update(updates ...Eq) *Builder {
+	builder := &Builder{cond: NewCond()}
+	return builder.Update(updates...)
+}
+
 func (b *Builder) updateWriteTo(w Writer) error {
-	if len(b.tableName) <= 0 {
+	if len(b.from) <= 0 {
-		return errors.New("no table indicated")
+		return ErrNoTableName
 	}
 	if len(b.updates) <= 0 {
-		return errors.New("no column to be update")
+		return ErrNoColumnToUpdate
 	}
 
-	if _, err := fmt.Fprintf(w, "UPDATE %s SET ", b.tableName); err != nil {
+	if _, err := fmt.Fprintf(w, "UPDATE %s SET ", b.from); err != nil {
 		return err
 	}
 

vendor/github.com/go-xorm/builder/circle.yml

@@ -1,12 +0,0 @@
-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

vendor/github.com/go-xorm/builder/cond.go

@@ -5,7 +5,6 @@
 package builder
 
 import (
-	"bytes"
 	"io"
 )
 
@@ -19,15 +18,15 @@ var _ Writer = NewWriter()
 
 // BytesWriter implments Writer and save SQL in bytes.Buffer
 type BytesWriter struct {
-	writer *bytes.Buffer
+	writer *StringBuilder
-	buffer []byte
 	args   []interface{}
 }
 
 // NewWriter creates a new string writer
 func NewWriter() *BytesWriter {
-	w := &BytesWriter{}
+	w := &BytesWriter{
-	w.writer = bytes.NewBuffer(w.buffer)
+		writer: &StringBuilder{},
+	}
 	return w
 }
 
@@ -73,15 +72,3 @@ func (condEmpty) Or(conds ...Cond) Cond {
 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
-}

vendor/github.com/go-xorm/builder/cond_and.go

@@ -25,7 +25,9 @@ func And(conds ...Cond) Cond {
 func (and condAnd) WriteTo(w Writer) error {
 	for i, cond := range and {
 		_, isOr := cond.(condOr)
-		if isOr {
+		_, isExpr := cond.(expr)
+		wrap := isOr || isExpr
+		if wrap {
 			fmt.Fprint(w, "(")
 		}
 
@@ -34,7 +36,7 @@ func (and condAnd) WriteTo(w Writer) error {
 			return err
 		}
 
-		if isOr {
+		if wrap {
 			fmt.Fprint(w, ")")
 		}
 

vendor/github.com/go-xorm/builder/cond_between.go

@@ -17,10 +17,35 @@ 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 {
+	if _, err := fmt.Fprintf(w, "%s BETWEEN ", between.Col); err != nil {
 		return err
 	}
-	w.Append(between.LessVal, between.MoreVal)
+	if lv, ok := between.LessVal.(expr); ok {
+		if err := lv.WriteTo(w); err != nil {
+			return err
+		}
+	} else {
+		if _, err := fmt.Fprint(w, "?"); err != nil {
+			return err
+		}
+		w.Append(between.LessVal)
+	}
+
+	if _, err := fmt.Fprint(w, " AND "); err != nil {
+		return err
+	}
+
+	if mv, ok := between.MoreVal.(expr); ok {
+		if err := mv.WriteTo(w); err != nil {
+			return err
+		}
+	} else {
+		if _, err := fmt.Fprint(w, "?"); err != nil {
+			return err
+		}
+		w.Append(between.MoreVal)
+	}
+
 	return nil
 }
 

vendor/github.com/go-xorm/builder/cond_compare.go

@@ -10,7 +10,13 @@ import "fmt"
 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 {
+	keys := make([]string, 0, len(data))
+	for k := range data {
+		keys = append(keys, k)
+	}
+
+	for _, k := range keys {
+		v := data[k]
 		switch v.(type) {
 		case expr:
 			if _, err := fmt.Fprintf(w, "%s%s(", k, op); err != nil {

vendor/github.com/go-xorm/builder/cond_eq.go

@@ -4,7 +4,10 @@
 
 package builder
 
-import "fmt"
+import (
+	"fmt"
+	"sort"
+)
 
 // Incr implements a type used by Eq
 type Incr int
@@ -19,7 +22,8 @@ var _ Cond = Eq{}
 
 func (eq Eq) opWriteTo(op string, w Writer) error {
 	var i = 0
-	for k, v := range eq {
+	for _, k := range eq.sortedKeys() {
+		v := eq[k]
 		switch v.(type) {
 		case []int, []int64, []string, []int32, []int16, []int8, []uint, []uint64, []uint32, []uint16, []interface{}:
 			if err := In(k, v).WriteTo(w); err != nil {
@@ -94,3 +98,15 @@ func (eq Eq) Or(conds ...Cond) Cond {
 func (eq Eq) IsValid() bool {
 	return len(eq) > 0
 }
+
+// sortedKeys returns all keys of this Eq sorted with sort.Strings.
+// It is used internally for consistent ordering when generating
+// SQL, see https://github.com/go-xorm/builder/issues/10
+func (eq Eq) sortedKeys() []string {
+	keys := make([]string, 0, len(eq))
+	for key := range eq {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	return keys
+}

vendor/github.com/go-xorm/builder/cond_like.go

@@ -16,7 +16,7 @@ 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
+	// FIXME: if use other regular express, this will be failed. but for compatible, keep this
 	if like[1][0] == '%' || like[1][len(like[1])-1] == '%' {
 		w.Append(like[1])
 	} else {

vendor/github.com/go-xorm/builder/cond_neq.go

@@ -4,7 +4,10 @@
 
 package builder
 
-import "fmt"
+import (
+	"fmt"
+	"sort"
+)
 
 // Neq defines not equal conditions
 type Neq map[string]interface{}
@@ -15,7 +18,8 @@ var _ Cond = Neq{}
 func (neq Neq) WriteTo(w Writer) error {
 	var args = make([]interface{}, 0, len(neq))
 	var i = 0
-	for k, v := range neq {
+	for _, k := range neq.sortedKeys() {
+		v := neq[k]
 		switch v.(type) {
 		case []int, []int64, []string, []int32, []int16, []int8:
 			if err := NotIn(k, v).WriteTo(w); err != nil {
@@ -76,3 +80,15 @@ func (neq Neq) Or(conds ...Cond) Cond {
 func (neq Neq) IsValid() bool {
 	return len(neq) > 0
 }
+
+// sortedKeys returns all keys of this Neq sorted with sort.Strings.
+// It is used internally for consistent ordering when generating
+// SQL, see https://github.com/go-xorm/builder/issues/10
+func (neq Neq) sortedKeys() []string {
+	keys := make([]string, 0, len(neq))
+	for key := range neq {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	return keys
+}

vendor/github.com/go-xorm/builder/cond_not.go

@@ -21,6 +21,18 @@ func (not Not) WriteTo(w Writer) error {
 		if _, err := fmt.Fprint(w, "("); err != nil {
 			return err
 		}
+	case Eq:
+		if len(not[0].(Eq)) > 1 {
+			if _, err := fmt.Fprint(w, "("); err != nil {
+				return err
+			}
+		}
+	case Neq:
+		if len(not[0].(Neq)) > 1 {
+			if _, err := fmt.Fprint(w, "("); err != nil {
+				return err
+			}
+		}
 	}
 
 	if err := not[0].WriteTo(w); err != nil {
@@ -32,6 +44,18 @@ func (not Not) WriteTo(w Writer) error {
 		if _, err := fmt.Fprint(w, ")"); err != nil {
 			return err
 		}
+	case Eq:
+		if len(not[0].(Eq)) > 1 {
+			if _, err := fmt.Fprint(w, ")"); err != nil {
+				return err
+			}
+		}
+	case Neq:
+		if len(not[0].(Neq)) > 1 {
+			if _, err := fmt.Fprint(w, ")"); err != nil {
+				return err
+			}
+		}
 	}
 
 	return nil

vendor/github.com/go-xorm/builder/cond_or.go

@@ -27,10 +27,12 @@ func (o condOr) WriteTo(w Writer) error {
 	for i, cond := range o {
 		var needQuote bool
 		switch cond.(type) {
-		case condAnd:
+		case condAnd, expr:
 			needQuote = true
 		case Eq:
 			needQuote = (len(cond.(Eq)) > 1)
+		case Neq:
+			needQuote = (len(cond.(Neq)) > 1)
 		}
 
 		if needQuote {

vendor/github.com/go-xorm/builder/error.go

@@ -8,9 +8,33 @@ import "errors"
 
 var (
 	// ErrNotSupportType not supported SQL type error
-	ErrNotSupportType = errors.New("not supported SQL type")
+	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")
+	// ErrNeedMoreArguments need more arguments
+	ErrNeedMoreArguments = errors.New("Need more sql arguments")
+	// ErrNoTableName no table name
+	ErrNoTableName = errors.New("No table indicated")
+	// ErrNoColumnToInsert no column to update
+	ErrNoColumnToUpdate = errors.New("No column(s) to update")
+	// ErrNoColumnToInsert no column to update
+	ErrNoColumnToInsert = errors.New("No column(s) to insert")
+	// ErrNotSupportDialectType not supported dialect type error
+	ErrNotSupportDialectType = errors.New("Not supported dialect type")
+	// ErrNotUnexpectedUnionConditions using union in a wrong way
+	ErrNotUnexpectedUnionConditions = errors.New("Unexpected conditional fields in UNION query")
+	// ErrUnsupportedUnionMembers unexpected members in UNION query
+	ErrUnsupportedUnionMembers = errors.New("Unexpected members in UNION query")
+	// ErrUnexpectedSubQuery Unexpected sub-query in SELECT query
+	ErrUnexpectedSubQuery = errors.New("Unexpected sub-query in SELECT query")
+	// ErrDialectNotSetUp dialect is not setup yet
+	ErrDialectNotSetUp = errors.New("Dialect is not setup yet, try to use `Dialect(dbType)` at first")
+	// ErrInvalidLimitation offset or limit is not correct
+	ErrInvalidLimitation = errors.New("Offset or limit is not correct")
+	// ErrUnnamedDerivedTable Every derived table must have its own alias
+	ErrUnnamedDerivedTable = errors.New("Every derived table must have its own alias")
+	// ErrInconsistentDialect Inconsistent dialect in same builder
+	ErrInconsistentDialect = errors.New("Inconsistent dialect in same builder")
 )

vendor/github.com/go-xorm/core/column.go

@@ -147,12 +147,12 @@ func (col *Column) ValueOfV(dataStruct *reflect.Value) (*reflect.Value, error) {
 			}
 			fieldValue = fieldValue.Elem().FieldByName(fieldPath[i+1])
 		} else {
-			return nil, fmt.Errorf("field  %v is not valid", col.FieldName)
+			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 nil, fmt.Errorf("field %v is not valid", col.FieldName)
 	}
 
 	return &fieldValue, nil

vendor/github.com/go-xorm/core/table.go

@@ -49,7 +49,6 @@ func NewTable(name string, t reflect.Type) *Table {
 }
 
 func (table *Table) columnsByName(name string) []*Column {
-
 	n := len(name)
 
 	for k := range table.columnsMap {
@@ -75,7 +74,6 @@ func (table *Table) GetColumn(name string) *Column {
 }
 
 func (table *Table) GetColumnIdx(name string, idx int) *Column {
-
 	cols := table.columnsByName(name)
 
 	if cols != nil && idx < len(cols) {

vendor/github.com/go-xorm/core/type.go

@@ -74,6 +74,7 @@ var (
 	NVarchar         = "NVARCHAR"
 	TinyText         = "TINYTEXT"
 	Text             = "TEXT"
+	NText            = "NTEXT"
 	Clob             = "CLOB"
 	MediumText       = "MEDIUMTEXT"
 	LongText         = "LONGTEXT"
@@ -130,6 +131,7 @@ var (
 		NVarchar:   TEXT_TYPE,
 		TinyText:   TEXT_TYPE,
 		Text:       TEXT_TYPE,
+		NText:      TEXT_TYPE,
 		MediumText: TEXT_TYPE,
 		LongText:   TEXT_TYPE,
 		Uuid:       TEXT_TYPE,
@@ -293,7 +295,7 @@ func SQLType2Type(st SQLType) reflect.Type {
 		return reflect.TypeOf(float32(1))
 	case Double:
 		return reflect.TypeOf(float64(1))
-	case Char, Varchar, NVarchar, TinyText, Text, MediumText, LongText, Enum, Set, Uuid, Clob, SysName:
+	case Char, Varchar, NVarchar, TinyText, Text, NText, MediumText, LongText, Enum, Set, Uuid, Clob, SysName:
 		return reflect.TypeOf("")
 	case TinyBlob, Blob, LongBlob, Bytea, Binary, MediumBlob, VarBinary, UniqueIdentifier:
 		return reflect.TypeOf([]byte{})

vendor/github.com/go-xorm/xorm/.gitignore

@@ -28,3 +28,6 @@ temp_test.go
 .vscode
 xorm.test
 *.sqlite3
+test.db.sql
+
+.idea/

vendor/github.com/go-xorm/xorm/CONTRIBUTING.md

@@ -32,13 +32,10 @@ proposed functionality.
 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
+request with just the failing test case(you can find some example test file like [session_get_test.go](https://github.com/go-xorm/xorm/blob/master/session_get_test.go)).
-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.
+If you implements a new database interface, you maybe need to add a test_<databasename>.sh file.
-For example, [mysql_test.go](https://github.com/go-xorm/tests/blob/master/mysql/mysql_test.go)
+For example, [mysql_test.go](https://github.com/go-xorm/xorm/blob/master/test_mysql.sh)
 
 ### New functionality
 

vendor/github.com/go-xorm/xorm/README.md

@@ -1,3 +1,5 @@
+# xorm
+
 [中文](https://github.com/go-xorm/xorm/blob/master/README_CN.md)
 
 Xorm is a simple and powerful ORM for Go.
@@ -6,7 +8,7 @@ Xorm is a simple and powerful ORM for Go.
 [![](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
+## Features
 
 * Struct <-> Table Mapping Support
 
@@ -28,7 +30,13 @@ Xorm is a simple and powerful ORM for Go.
 
 * SQL Builder support via [github.com/go-xorm/builder](https://github.com/go-xorm/builder)
 
-# Drivers Support
+* Automatical Read/Write seperatelly
+
+* Postgres schema support
+
+* Context Cache support
+
+## Drivers Support
 
 Drivers for Go's sql package which currently support database/sql includes:
 
@@ -46,43 +54,17 @@ Drivers for Go's sql package which currently support database/sql includes:
 
 * Oracle: [github.com/mattn/go-oci8](https://github.com/mattn/go-oci8) (experiment)
 
-# Changelog
+## Installation
-
-* **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
+## 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
-
-# Quick Start
 
 * Create Engine
 
@@ -106,15 +88,36 @@ type User struct {
 err := engine.Sync2(new(User))
 ```
 
-* `Query` runs a SQL string, the returned results is `[]map[string][]byte`, `QueryString` returns `[]map[string]string`.
+* Create Engine Group
+
+```Go
+dataSourceNameSlice := []string{masterDataSourceName, slave1DataSourceName, slave2DataSourceName}
+engineGroup, err := xorm.NewEngineGroup(driverName, dataSourceNameSlice)
+```
+
+```Go
+masterEngine, err := xorm.NewEngine(driverName, masterDataSourceName)
+slave1Engine, err := xorm.NewEngine(driverName, slave1DataSourceName)
+slave2Engine, err := xorm.NewEngine(driverName, slave2DataSourceName)
+engineGroup, err := xorm.NewEngineGroup(masterEngine, []*Engine{slave1Engine, slave2Engine})
+```
+
+Then all place where `engine` you can just use `engineGroup`.
+
+* `Query` runs a SQL string, the returned results is `[]map[string][]byte`, `QueryString` returns `[]map[string]string`, `QueryInterface` returns `[]map[string]interface{}`.
 
 ```Go
 results, err := engine.Query("select * from user")
+results, err := engine.Where("a = 1").Query()
 
 results, err := engine.QueryString("select * from user")
+results, err := engine.Where("a = 1").QueryString()
+
+results, err := engine.QueryInterface("select * from user")
+results, err := engine.Where("a = 1").QueryInterface()
 ```
 
-* `Execute` runs a SQL string, it returns `affected` and `error`
+* `Exec` runs a SQL string, it returns `affected` and `error`
 
 ```Go
 affected, err := engine.Exec("update user set age = ? where name = ?", age, name)
@@ -125,62 +128,76 @@ affected, err := engine.Exec("update user set age = ? where name = ?", age, name
 ```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
+* `Get` 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)
+has, err := engine.SQL("select id from user").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
+* `Exist` 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
+* `Find` 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
+// SELECT * FROM user WHERE name = ? AND age > 10 limit 10 offset 0
 
 type Detail struct {
     Id int64
@@ -193,14 +210,14 @@ type UserDetail struct {
 }
 
 var users []UserDetail
-err := engine.Table("user").Select("user.*, detail.*")
+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
+// SELECT user.*, detail.* FROM user INNER JOIN detail WHERE user.name = ? limit 10 offset 0
 ```
 
-* Query multiple records and record by record handle, there are two methods Iterate and Rows
+* `Iterate` and `Rows` 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 {
@@ -209,6 +226,13 @@ err := engine.Iterate(&User{Name:name}, func(idx int, bean interface{}) error {
 })
 // SELECT * FROM user
 
+err := engine.BufferSize(100).Iterate(&User{Name:name}, func(idx int, bean interface{}) error {
+    user := bean.(*User)
+    return nil
+})
+// SELECT * FROM user Limit 0, 100
+// SELECT * FROM user Limit 101, 100
+
 rows, err := engine.Rows(&User{Name:name})
 // SELECT * FROM user
 defer rows.Close()
@@ -218,10 +242,10 @@ for rows.Next() {
 }
 ```
 
-* Update one or more records, default will update non-empty and non-zero fields except when you use Cols, AllCols and so on.
+* `Update` 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)
+affected, err := engine.ID(1).Update(&user)
 // UPDATE user SET ... Where id = ?
 
 affected, err := engine.Update(&user, &User{Name:name})
@@ -232,32 +256,50 @@ 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})
+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})
+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)
+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
+* `Delete` 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)
+
+affected, err := engine.ID(2).Delete(&user)
+// DELETE FROM user Where id = ?
 ```
 
-* Count records
+* `Count` count records
 
 ```Go
 counts, err := engine.Count(&user)
 // SELECT count(*) AS total FROM user
 ```
 
+* `Sum` sum functions
+
+```Go
+agesFloat64, err := engine.Sum(&user, "age")
+// SELECT sum(age) AS total FROM user
+
+agesInt64, err := engine.SumInt(&user, "age")
+// SELECT sum(age) AS total FROM user
+
+sumFloat64Slice, err := engine.Sums(&user, "age", "score")
+// SELECT sum(age), sum(score) FROM user
+
+sumInt64Slice, err := engine.SumsInt(&user, "age", "score")
+// SELECT sum(age), sum(score) FROM user
+```
+
 * Query conditions builder
 
 ```Go
@@ -265,7 +307,155 @@ err := engine.Where(builder.NotIn("a", 1, 2).And(builder.In("b", "c", "d", "e"))
 // SELECT id, name ... FROM user WHERE a NOT IN (?, ?) AND b IN (?, ?, ?)
 ```
 
-# Cases
+* Multiple operations in one go routine, no transation here but resue session memory
+
+```Go
+session := engine.NewSession()
+defer session.Close()
+
+user1 := Userinfo{Username: "xiaoxiao", Departname: "dev", Alias: "lunny", Created: time.Now()}
+if _, err := session.Insert(&user1); err != nil {
+    return err
+}
+
+user2 := Userinfo{Username: "yyy"}
+if _, err := session.Where("id = ?", 2).Update(&user2); err != nil {
+    return err
+}
+
+if _, err := session.Exec("delete from userinfo where username = ?", user2.Username); err != nil {
+    return err
+}
+
+return nil
+```
+
+* Transation should on one go routine. There is transaction and resue session memory
+
+```Go
+session := engine.NewSession()
+defer session.Close()
+
+// add Begin() before any action
+if err := session.Begin(); err != nil {
+    // if returned then will rollback automatically
+    return err
+}
+
+user1 := Userinfo{Username: "xiaoxiao", Departname: "dev", Alias: "lunny", Created: time.Now()}
+if _, err := session.Insert(&user1); err != nil {
+    return err
+}
+
+user2 := Userinfo{Username: "yyy"}
+if _, err := session.Where("id = ?", 2).Update(&user2); err != nil {
+    return err
+}
+
+if _, err := session.Exec("delete from userinfo where username = ?", user2.Username); err != nil {
+    return err
+}
+
+// add Commit() after all actions
+return session.Commit()
+```
+
+* Or you can use `Transaction` to replace above codes.
+
+```Go
+res, err := engine.Transaction(func(sess *xorm.Session) (interface{}, error) {
+    user1 := Userinfo{Username: "xiaoxiao", Departname: "dev", Alias: "lunny", Created: time.Now()}
+    if _, err := session.Insert(&user1); err != nil {
+        return nil, err
+    }
+
+    user2 := Userinfo{Username: "yyy"}
+    if _, err := session.Where("id = ?", 2).Update(&user2); err != nil {
+        return nil, err
+    }
+
+    if _, err := session.Exec("delete from userinfo where username = ?", user2.Username); err != nil {
+        return nil, err
+    }
+    return nil, nil
+})
+```
+
+* Context Cache, if enabled, current query result will be cached on session and be used by next same statement on the same session.
+
+```Go
+	sess := engine.NewSession()
+	defer sess.Close()
+
+	var context = xorm.NewMemoryContextCache()
+
+	var c2 ContextGetStruct
+	has, err := sess.ID(1).ContextCache(context).Get(&c2)
+	assert.NoError(t, err)
+	assert.True(t, has)
+	assert.EqualValues(t, 1, c2.Id)
+	assert.EqualValues(t, "1", c2.Name)
+	sql, args := sess.LastSQL()
+	assert.True(t, len(sql) > 0)
+	assert.True(t, len(args) > 0)
+
+	var c3 ContextGetStruct
+	has, err = sess.ID(1).ContextCache(context).Get(&c3)
+	assert.NoError(t, err)
+	assert.True(t, has)
+	assert.EqualValues(t, 1, c3.Id)
+	assert.EqualValues(t, "1", c3.Name)
+	sql, args = sess.LastSQL()
+	assert.True(t, len(sql) == 0)
+	assert.True(t, len(args) == 0)
+```
+
+## Contributing
+
+If you want to pull request, please see [CONTRIBUTING](https://github.com/go-xorm/xorm/blob/master/CONTRIBUTING.md). And we also provide [Xorm on Google Groups](https://groups.google.com/forum/#!forum/xorm) to discuss.
+
+## Credits
+
+### Contributors
+
+This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
+<a href="graphs/contributors"><img src="https://opencollective.com/xorm/contributors.svg?width=890&button=false" /></a>
+
+### Backers
+
+Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/xorm#backer)]
+
+<a href="https://opencollective.com/xorm#backers" target="_blank"><img src="https://opencollective.com/xorm/backers.svg?width=890"></a>
+
+### Sponsors
+
+Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [[Become a sponsor](https://opencollective.com/xorm#sponsor)]
+
+## Changelog
+
+* **v0.7.0**
+    * Some bugs fixed
+
+* **v0.6.6**
+    * Some bugs fixed
+
+* **v0.6.5**
+    * Postgres schema support
+    * vgo support
+    * Add FindAndCount
+    * Database special params support via NewEngineWithParams
+    * Some bugs fixed
+
+* **v0.6.4**
+    * Automatical Read/Write seperatelly
+    * Query/QueryString/QueryInterface and action with Where/And
+    * Get support non-struct variables
+    * BufferSize on Iterate
+    * fix some other bugs.
+
+[More changes ...](https://github.com/go-xorm/manual-en-US/tree/master/chapter-16)
+
+## Cases
 
 * [studygolang](http://studygolang.com/) - [github.com/studygolang/studygolang](https://github.com/studygolang/studygolang)
 
@@ -301,15 +491,6 @@ err := engine.Where(builder.NotIn("a", 1, 2).And(builder.In("b", "c", "d", "e"))
 
 * [go-blog](http://wangcheng.me) - [github.com/easykoo/go-blog](https://github.com/easykoo/go-blog)
 
-# Discuss
+## LICENSE
 
-Please visit [Xorm on Google Groups](https://groups.google.com/forum/#!forum/xorm)
+BSD License [http://creativecommons.org/licenses/BSD/](http://creativecommons.org/licenses/BSD/)
-
-# 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/)

vendor/github.com/go-xorm/xorm/README_CN.md

@@ -22,6 +22,8 @@ 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
 
 * 支持级联加载Struct
 
+* Schema支持（仅Postgres）
+
 * 支持缓存
 
 * 支持根据数据库自动生成xorm的结构体
@@ -30,6 +32,8 @@ 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
 
 * 内置SQL Builder支持
 
+* 上下文缓存支持
+
 ## 驱动支持
 
 目前支持的Go数据库驱动和对应的数据库如下：
@@ -50,35 +54,6 @@ 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
 
 * 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
@@ -115,12 +90,33 @@ type User struct {
 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
+* 创建Engine组
+
+```Go
+dataSourceNameSlice := []string{masterDataSourceName, slave1DataSourceName, slave2DataSourceName}
+engineGroup, err := xorm.NewEngineGroup(driverName, dataSourceNameSlice)
+```
+
+```Go
+masterEngine, err := xorm.NewEngine(driverName, masterDataSourceName)
+slave1Engine, err := xorm.NewEngine(driverName, slave1DataSourceName)
+slave2Engine, err := xorm.NewEngine(driverName, slave2DataSourceName)
+engineGroup, err := xorm.NewEngineGroup(masterEngine, []*Engine{slave1Engine, slave2Engine})
+```
+
+所有使用 `engine` 都可以简单的用 `engineGroup` 来替换。
+
+* `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, `QueryInterface` 返回 `[]map[string]interface{}`.
 
 ```Go
 results, err := engine.Query("select * from user")
+results, err := engine.Where("a = 1").Query()
 
 results, err := engine.QueryString("select * from user")
+results, err := engine.Where("a = 1").QueryString()
+
+results, err := engine.QueryInterface("select * from user")
+results, err := engine.Where("a = 1").QueryInterface()
 ```
 
 * `Exec` 执行一个SQL语句
@@ -129,67 +125,81 @@ results, err := engine.QueryString("select * from user")
 affected, err := engine.Exec("update user set age = ? where name = ?", age, name)
 ```
 
-* 插入一条或者多条记录
+* `Insert` 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
+* `Get` 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)
+has, err := engine.SQL("select id from user").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
+* `Exist` 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
+* `Find` 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
+// SELECT * FROM user WHERE name = ? AND age > 10 limit 10 offset 0
 
 type Detail struct {
     Id int64
@@ -206,10 +216,10 @@ 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
+// SELECT user.*, detail.* FROM user INNER JOIN detail WHERE user.name = ? limit 10 offset 0
 ```
 
-* 根据条件遍历数据库，可以有两种方式: Iterate and Rows
+* `Iterate` 和 `Rows` 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 {
@@ -218,6 +228,13 @@ err := engine.Iterate(&User{Name:name}, func(idx int, bean interface{}) error {
 })
 // SELECT * FROM user
 
+err := engine.BufferSize(100).Iterate(&User{Name:name}, func(idx int, bean interface{}) error {
+    user := bean.(*User)
+    return nil
+})
+// SELECT * FROM user Limit 0, 100
+// SELECT * FROM user Limit 101, 100
+
 rows, err := engine.Rows(&User{Name:name})
 // SELECT * FROM user
 defer rows.Close()
@@ -227,10 +244,10 @@ for rows.Next() {
 }
 ```
 
-* 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
+* `Update` 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)
+affected, err := engine.ID(1).Update(&user)
 // UPDATE user SET ... Where id = ?
 
 affected, err := engine.Update(&user, &User{Name:name})
@@ -241,31 +258,50 @@ 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})
+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})
+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)
+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
+* `Delete` 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 ...
+
+affected, err := engine.ID(2).Delete(&user)
+// DELETE FROM user Where id = ?
 ```
 
-* 获取记录条数
+* `Count` 获取记录条数
 
 ```Go
 counts, err := engine.Count(&user)
 // SELECT count(*) AS total FROM user
 ```
 
+* `Sum` 求和函数
+
+```Go
+agesFloat64, err := engine.Sum(&user, "age")
+// SELECT sum(age) AS total FROM user
+
+agesInt64, err := engine.SumInt(&user, "age")
+// SELECT sum(age) AS total FROM user
+
+sumFloat64Slice, err := engine.Sums(&user, "age", "score")
+// SELECT sum(age), sum(score) FROM user
+
+sumInt64Slice, err := engine.SumsInt(&user, "age", "score")
+// SELECT sum(age), sum(score) FROM user
+```
+
 * 条件编辑器
 
 ```Go
@@ -273,6 +309,132 @@ err := engine.Where(builder.NotIn("a", 1, 2).And(builder.In("b", "c", "d", "e"))
 // SELECT id, name ... FROM user WHERE a NOT IN (?, ?) AND b IN (?, ?, ?)
 ```
 
+* 在一个Go程中多次操作数据库，但没有事务
+
+```Go
+session := engine.NewSession()
+defer session.Close()
+
+user1 := Userinfo{Username: "xiaoxiao", Departname: "dev", Alias: "lunny", Created: time.Now()}
+if _, err := session.Insert(&user1); err != nil {
+    return err
+}
+
+user2 := Userinfo{Username: "yyy"}
+if _, err := session.Where("id = ?", 2).Update(&user2); err != nil {
+    return err
+}
+
+if _, err := session.Exec("delete from userinfo where username = ?", user2.Username); err != nil {
+    return err
+}
+
+return nil
+```
+
+* 在一个Go程中有事务
+
+```Go
+session := engine.NewSession()
+defer session.Close()
+
+// add Begin() before any action
+if err := session.Begin(); err != nil {
+    // if returned then will rollback automatically
+    return err
+}
+
+user1 := Userinfo{Username: "xiaoxiao", Departname: "dev", Alias: "lunny", Created: time.Now()}
+if _, err := session.Insert(&user1); err != nil {
+    return err
+}
+
+user2 := Userinfo{Username: "yyy"}
+if _, err := session.Where("id = ?", 2).Update(&user2); err != nil {
+    return err
+}
+
+if _, err := session.Exec("delete from userinfo where username = ?", user2.Username); err != nil {
+    return err
+}
+
+// add Commit() after all actions
+return session.Commit()
+```
+
+* 事物的简写方法
+
+```Go
+res, err := engine.Transaction(func(sess *xorm.Session) (interface{}, error) {
+    user1 := Userinfo{Username: "xiaoxiao", Departname: "dev", Alias: "lunny", Created: time.Now()}
+    if _, err := session.Insert(&user1); err != nil {
+        return nil, err
+    }
+
+    user2 := Userinfo{Username: "yyy"}
+    if _, err := session.Where("id = ?", 2).Update(&user2); err != nil {
+        return nil, err
+    }
+
+    if _, err := session.Exec("delete from userinfo where username = ?", user2.Username); err != nil {
+        return nil, err
+    }
+    return nil, nil
+})
+```
+
+* Context Cache, if enabled, current query result will be cached on session and be used by next same statement on the same session.
+
+```Go
+	sess := engine.NewSession()
+	defer sess.Close()
+
+	var context = xorm.NewMemoryContextCache()
+
+	var c2 ContextGetStruct
+	has, err := sess.ID(1).ContextCache(context).Get(&c2)
+	assert.NoError(t, err)
+	assert.True(t, has)
+	assert.EqualValues(t, 1, c2.Id)
+	assert.EqualValues(t, "1", c2.Name)
+	sql, args := sess.LastSQL()
+	assert.True(t, len(sql) > 0)
+	assert.True(t, len(args) > 0)
+
+	var c3 ContextGetStruct
+	has, err = sess.ID(1).ContextCache(context).Get(&c3)
+	assert.NoError(t, err)
+	assert.True(t, has)
+	assert.EqualValues(t, 1, c3.Id)
+	assert.EqualValues(t, "1", c3.Name)
+	sql, args = sess.LastSQL()
+	assert.True(t, len(sql) == 0)
+	assert.True(t, len(args) == 0)
+```
+
+## 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)。您也可以加入QQ群  技术帮助和讨论。
+群一：280360085 （已满）
+群二：795010183
+
+## Credits
+
+### Contributors
+
+感谢所有的贡献者. [[Contribute](CONTRIBUTING.md)].
+<a href="graphs/contributors"><img src="https://opencollective.com/xorm/contributors.svg?width=890&button=false" /></a>
+
+### Backers
+
+感谢我们所有的 backers! 🙏 [[成为 backer](https://opencollective.com/xorm#backer)]
+
+<a href="https://opencollective.com/xorm#backers" target="_blank"><img src="https://opencollective.com/xorm/backers.svg?width=890"></a>
+
+### Sponsors
+
+成为 sponsor 来支持 xorm。您的 logo 将会被显示并被链接到您的网站。 [[成为 sponsor](https://opencollective.com/xorm#sponsor)]
+
 # 案例
 
 * [Go语言中文网](http://studygolang.com/) - [github.com/studygolang/studygolang](https://github.com/studygolang/studygolang)
@@ -307,13 +469,30 @@ err := engine.Where(builder.NotIn("a", 1, 2).And(builder.In("b", "c", "d", "e"))
 
 * [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。
+## 更新日志
 
-## 贡献
+* **v0.7.0**
+    * 修正部分Bug
 
-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)
+* **v0.6.6**
+    * 修正部分Bug
+
+* **v0.6.5**
+    * 通过 engine.SetSchema 来支持 schema，当前仅支持Postgres
+    * vgo 支持
+    * 新增 `FindAndCount` 函数
+    * 通过 `NewEngineWithParams` 支持数据库特别参数
+    * 修正部分Bug
+
+* **v0.6.4**
+    * 自动读写分离支持
+    * Query/QueryString/QueryInterface 支持与 Where/And 合用
+    * `Get` 支持获取非结构体变量
+    * `Iterate` 支持 `BufferSize` 
+    * 修正部分Bug
+
+[更多更新日志...](https://github.com/go-xorm/manual-zh-CN/tree/master/chapter-16)
 
 ## LICENSE
 

vendor/github.com/go-xorm/xorm/circle.yml

@@ -17,11 +17,12 @@ database:
     - createdb -p 5432 -e -U postgres xorm_test1
     - createdb -p 5432 -e -U postgres xorm_test2
     - createdb -p 5432 -e -U postgres xorm_test3
+    - psql xorm_test postgres -c "create schema xorm"
 
 test:
   override:
     # './...' is a relative pattern which means all subdirectories
-    - go get -u github.com/wadey/gocovmerge;
+    - 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
@@ -30,7 +31,9 @@ test:
     - 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
+    - go test -v -race -db="postgres" -conn_str="dbname=xorm_test sslmode=disable" -schema=xorm -coverprofile=coverage5-1.txt -covermode=atomic
+    - go test -v -race -db="postgres" -conn_str="dbname=xorm_test sslmode=disable" -schema=xorm -cache=true -coverprofile=coverage5-2.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 coverage5-1.txt coverage5-2.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

vendor/github.com/go-xorm/xorm/convert.go

@@ -209,10 +209,10 @@ func convertAssign(dest, src interface{}) error {
 		if src == nil {
 			dv.Set(reflect.Zero(dv.Type()))
 			return nil
-		} else {
-			dv.Set(reflect.New(dv.Type().Elem()))
-			return convertAssign(dv.Interface(), src)
 		}
+
+		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())

vendor/github.com/go-xorm/xorm/dialect_mysql.go

@@ -172,12 +172,33 @@ type mysql struct {
 	allowAllFiles     bool
 	allowOldPasswords bool
 	clientFoundRows   bool
+	rowFormat         string
 }
 
 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) SetParams(params map[string]string) {
+	rowFormat, ok := params["rowFormat"]
+	if ok {
+		var t = strings.ToUpper(rowFormat)
+		switch t {
+		case "COMPACT":
+			fallthrough
+		case "REDUNDANT":
+			fallthrough
+		case "DYNAMIC":
+			fallthrough
+		case "COMPRESSED":
+			db.rowFormat = t
+			break
+		default:
+			break
+		}
+	}
+}
+
 func (db *mysql) SqlType(c *core.Column) string {
 	var res string
 	switch t := c.SQLType.Name; t {
@@ -487,6 +508,62 @@ func (db *mysql) GetIndexes(tableName string) (map[string]*core.Index, error) {
 	return indexes, nil
 }
 
+func (db *mysql) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
+	var sql string
+	sql = "CREATE TABLE IF NOT EXISTS "
+	if tableName == "" {
+		tableName = table.Name
+	}
+
+	sql += db.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(db)
+			} else {
+				sql += col.StringNoPk(db)
+			}
+			sql = strings.TrimSpace(sql)
+			if len(col.Comment) > 0 {
+				sql += " COMMENT '" + col.Comment + "'"
+			}
+			sql += ", "
+		}
+
+		if len(pkList) > 1 {
+			sql += "PRIMARY KEY ( "
+			sql += db.Quote(strings.Join(pkList, db.Quote(",")))
+			sql += " ), "
+		}
+
+		sql = sql[:len(sql)-2]
+	}
+	sql += ")"
+
+	if storeEngine != "" {
+		sql += " ENGINE=" + storeEngine
+	}
+
+	if len(charset) == 0 {
+		charset = db.URI().Charset
+	} 
+	if len(charset) != 0 {
+		sql += " DEFAULT CHARSET " + charset
+	}
+	
+	
+
+	if db.rowFormat != "" {
+		sql += " ROW_FORMAT=" + db.rowFormat
+	}
+	return sql
+}
+
 func (db *mysql) Filters() []core.Filter {
 	return []core.Filter{&core.IdFilter{}}
 }

vendor/github.com/go-xorm/xorm/dialect_postgres.go

@@ -8,7 +8,6 @@ import (
 	"errors"
 	"fmt"
 	"net/url"
-	"sort"
 	"strconv"
 	"strings"
 
@@ -765,14 +764,26 @@ var (
 		"YES":                       true,
 		"ZONE":                      true,
 	}
+
+	// DefaultPostgresSchema default postgres schema
+	DefaultPostgresSchema = "public"
 )
 
+const postgresPublicSchema = "public"
+
 type postgres struct {
 	core.Base
 }
 
 func (db *postgres) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
-	return db.Base.Init(d, db, uri, drivername, dataSourceName)
+	err := db.Base.Init(d, db, uri, drivername, dataSourceName)
+	if err != nil {
+		return err
+	}
+	if db.Schema == "" {
+		db.Schema = DefaultPostgresSchema
+	}
+	return nil
 }
 
 func (db *postgres) SqlType(c *core.Column) string {
@@ -869,32 +880,42 @@ func (db *postgres) IndexOnTable() bool {
 }
 
 func (db *postgres) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
-	args := []interface{}{tableName, idxName}
+	if len(db.Schema) == 0 {
+		args := []interface{}{tableName, idxName}
+		return `SELECT indexname FROM pg_indexes WHERE tablename = ? AND indexname = ?`, args
+	}
+
+	args := []interface{}{db.Schema, tableName, idxName}
 	return `SELECT indexname FROM pg_indexes ` +
-		`WHERE tablename = ? AND indexname = ?`, args
+		`WHERE schemaname = ? AND tablename = ? AND indexname = ?`, args
 }
 
 func (db *postgres) TableCheckSql(tableName string) (string, []interface{}) {
-	args := []interface{}{tableName}
+	if len(db.Schema) == 0 {
-	return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
+		args := []interface{}{tableName}
+		return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
+	}
+
+	args := []interface{}{db.Schema, tableName}
+	return `SELECT tablename FROM pg_tables WHERE schemaname = ? AND tablename = ?`, args
 }
 
-/*func (db *postgres) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
-	args := []interface{}{tableName, colName}
-	return "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ?" +
-		" AND column_name = ?", args
-}*/
-
 func (db *postgres) ModifyColumnSql(tableName string, col *core.Column) string {
-	return fmt.Sprintf("alter table %s ALTER COLUMN %s TYPE %s",
+	if len(db.Schema) == 0 {
-		tableName, col.Name, db.SqlType(col))
+		return fmt.Sprintf("alter table %s ALTER COLUMN %s TYPE %s",
+			tableName, col.Name, db.SqlType(col))
+	}
+	return fmt.Sprintf("alter table %s.%s ALTER COLUMN %s TYPE %s",
+		db.Schema, tableName, col.Name, db.SqlType(col))
 }
 
 func (db *postgres) DropIndexSql(tableName string, index *core.Index) string {
-	//var unique string
 	quote := db.Quote
 	idxName := index.Name
 
+	tableName = strings.Replace(tableName, `"`, "", -1)
+	tableName = strings.Replace(tableName, `.`, "_", -1)
+
 	if !strings.HasPrefix(idxName, "UQE_") &&
 		!strings.HasPrefix(idxName, "IDX_") {
 		if index.Type == core.UniqueType {
@@ -903,13 +924,21 @@ func (db *postgres) DropIndexSql(tableName string, index *core.Index) string {
 			idxName = fmt.Sprintf("IDX_%v_%v", tableName, index.Name)
 		}
 	}
+	if db.Uri.Schema != "" {
+		idxName = db.Uri.Schema + "." + idxName
+	}
 	return fmt.Sprintf("DROP INDEX %v", quote(idxName))
 }
 
 func (db *postgres) IsColumnExist(tableName, colName string) (bool, error) {
-	args := []interface{}{tableName, colName}
+	args := []interface{}{db.Schema, tableName, colName}
-	query := "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = $1" +
+	query := "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = $1 AND table_name = $2" +
-		" AND column_name = $2"
+		" AND column_name = $3"
+	if len(db.Schema) == 0 {
+		args = []interface{}{tableName, colName}
+		query = "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = $1" +
+			" AND column_name = $2"
+	}
 	db.LogSQL(query, args)
 
 	rows, err := db.DB().Query(query, args...)
@@ -922,8 +951,7 @@ func (db *postgres) IsColumnExist(tableName, colName string) (bool, error) {
 }
 
 func (db *postgres) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
-	// FIXME: the schema should be replaced by user custom's
+	args := []interface{}{tableName}
-	args := []interface{}{tableName, "public"}
 	s := `SELECT column_name, column_default, is_nullable, data_type, character_maximum_length, numeric_precision, numeric_precision_radix ,
     CASE WHEN p.contype = 'p' THEN true ELSE false END AS primarykey,
     CASE WHEN p.contype = 'u' THEN true ELSE false END AS uniquekey
@@ -934,7 +962,15 @@ FROM pg_attribute f
     LEFT JOIN pg_constraint p ON p.conrelid = c.oid AND f.attnum = ANY (p.conkey)
     LEFT JOIN pg_class AS g ON p.confrelid = g.oid
     LEFT JOIN INFORMATION_SCHEMA.COLUMNS s ON s.column_name=f.attname AND c.relname=s.table_name
-WHERE c.relkind = 'r'::char AND c.relname = $1 AND s.table_schema = $2 AND f.attnum > 0 ORDER BY f.attnum;`
+WHERE c.relkind = 'r'::char AND c.relname = $1%s AND f.attnum > 0 ORDER BY f.attnum;`
+
+	var f string
+	if len(db.Schema) != 0 {
+		args = append(args, db.Schema)
+		f = " AND s.table_schema = $2"
+	}
+	s = fmt.Sprintf(s, f)
+
 	db.LogSQL(s, args)
 
 	rows, err := db.DB().Query(s, args...)
@@ -1024,9 +1060,13 @@ WHERE c.relkind = 'r'::char AND c.relname = $1 AND s.table_schema = $2 AND f.att
 }
 
 func (db *postgres) GetTables() ([]*core.Table, error) {
-	// FIXME: replace public to user customrize schema
+	args := []interface{}{}
-	args := []interface{}{"public"}
+	s := "SELECT tablename FROM pg_tables"
-	s := fmt.Sprintf("SELECT tablename FROM pg_tables WHERE schemaname = $1")
+	if len(db.Schema) != 0 {
+		args = append(args, db.Schema)
+		s = s + " WHERE schemaname = $1"
+	}
+
 	db.LogSQL(s, args)
 
 	rows, err := db.DB().Query(s, args...)
@@ -1050,9 +1090,12 @@ func (db *postgres) GetTables() ([]*core.Table, error) {
 }
 
 func (db *postgres) GetIndexes(tableName string) (map[string]*core.Index, error) {
-	// FIXME: replace the public schema to user specify schema
+	args := []interface{}{tableName}
-	args := []interface{}{"public", tableName}
+	s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE tablename=$1")
-	s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE schemaname=$1 AND tablename=$2")
+	if len(db.Schema) != 0 {
+		args = append(args, db.Schema)
+		s = s + " AND schemaname=$2"
+	}
 	db.LogSQL(s, args)
 
 	rows, err := db.DB().Query(s, args...)
@@ -1117,10 +1160,6 @@ func (vs values) Get(k string) (v string) {
 	return vs[k]
 }
 
-func errorf(s string, args ...interface{}) {
-	panic(fmt.Errorf("pq: %s", fmt.Sprintf(s, args...)))
-}
-
 func parseURL(connstr string) (string, error) {
 	u, err := url.Parse(connstr)
 	if err != nil {
@@ -1131,46 +1170,18 @@ func parseURL(connstr string) (string, error) {
 		return "", fmt.Errorf("invalid connection protocol: %s", u.Scheme)
 	}
 
-	var kvs []string
 	escaper := strings.NewReplacer(` `, `\ `, `'`, `\'`, `\`, `\\`)
-	accrue := func(k, v string) {
-		if v != "" {
-			kvs = append(kvs, k+"="+escaper.Replace(v))
-		}
-	}
-
-	if u.User != nil {
-		v := u.User.Username()
-		accrue("user", v)
-
-		v, _ = u.User.Password()
-		accrue("password", v)
-	}
-
-	i := strings.Index(u.Host, ":")
-	if i < 0 {
-		accrue("host", u.Host)
-	} else {
-		accrue("host", u.Host[:i])
-		accrue("port", u.Host[i+1:])
-	}
 
 	if u.Path != "" {
-		accrue("dbname", u.Path[1:])
+		return escaper.Replace(u.Path[1:]), nil
 	}
 
-	q := u.Query()
+	return "", nil
-	for k := range q {
-		accrue(k, q.Get(k))
-	}
-
-	sort.Strings(kvs) // Makes testing easier (not a performance concern)
-	return strings.Join(kvs, " "), nil
 }
 
-func parseOpts(name string, o values) {
+func parseOpts(name string, o values) error {
 	if len(name) == 0 {
-		return
+		return fmt.Errorf("invalid options: %s", name)
 	}
 
 	name = strings.TrimSpace(name)
@@ -1179,31 +1190,48 @@ func parseOpts(name string, o values) {
 	for _, p := range ps {
 		kv := strings.Split(p, "=")
 		if len(kv) < 2 {
-			errorf("invalid option: %q", p)
+			return fmt.Errorf("invalid option: %q", p)
 		}
 		o.Set(kv[0], kv[1])
 	}
+
+	return nil
 }
 
 func (p *pqDriver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
 	db := &core.Uri{DbType: core.POSTGRES}
-	o := make(values)
 	var err error
+
 	if strings.HasPrefix(dataSourceName, "postgresql://") || strings.HasPrefix(dataSourceName, "postgres://") {
-		dataSourceName, err = parseURL(dataSourceName)
+		db.DbName, err = parseURL(dataSourceName)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		o := make(values)
+		err = parseOpts(dataSourceName, o)
 		if err != nil {
 			return nil, err
 		}
-	}
-	parseOpts(dataSourceName, o)
 
-	db.DbName = o.Get("dbname")
+		db.DbName = o.Get("dbname")
+	}
+
 	if db.DbName == "" {
 		return nil, errors.New("dbname is empty")
 	}
-	/*db.Schema = o.Get("schema")
+
-	if len(db.Schema) == 0 {
-		db.Schema = "public"
-	}*/
 	return db, nil
 }
+
+type pqDriverPgx struct {
+	pqDriver
+}
+
+func (pgx *pqDriverPgx) Parse(driverName, dataSourceName string) (*core.Uri, error) {
+	// Remove the leading characters for driver to work
+	if len(dataSourceName) >= 9 && dataSourceName[0] == 0 {
+		dataSourceName = dataSourceName[9:]
+	}
+	return pgx.pqDriver.Parse(driverName, dataSourceName)
+}

vendor/github.com/go-xorm/xorm/dialect_sqlite3.go

@@ -233,7 +233,7 @@ func (db *sqlite3) TableCheckSql(tableName string) (string, []interface{}) {
 }
 
 func (db *sqlite3) DropIndexSql(tableName string, index *core.Index) string {
-	//var unique string
+	// var unique string
 	quote := db.Quote
 	idxName := index.Name
 
@@ -452,5 +452,9 @@ type sqlite3Driver struct {
 }
 
 func (p *sqlite3Driver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
+	if strings.Contains(dataSourceName, "?") {
+		dataSourceName = dataSourceName[:strings.Index(dataSourceName, "?")]
+	}
+
 	return &core.Uri{DbType: core.SQLITE, DbName: dataSourceName}, nil
 }

vendor/github.com/go-xorm/xorm/engine.go

@@ -47,6 +47,52 @@ type Engine struct {
 	disableGlobalCache bool
 
 	tagHandlers map[string]tagHandler
+
+	engineGroup *EngineGroup
+
+	cachers    map[string]core.Cacher
+	cacherLock sync.RWMutex
+}
+
+func (engine *Engine) setCacher(tableName string, cacher core.Cacher) {
+	engine.cacherLock.Lock()
+	engine.cachers[tableName] = cacher
+	engine.cacherLock.Unlock()
+}
+
+func (engine *Engine) SetCacher(tableName string, cacher core.Cacher) {
+	engine.setCacher(tableName, cacher)
+}
+
+func (engine *Engine) getCacher(tableName string) core.Cacher {
+	var cacher core.Cacher
+	var ok bool
+	engine.cacherLock.RLock()
+	cacher, ok = engine.cachers[tableName]
+	engine.cacherLock.RUnlock()
+	if !ok && !engine.disableGlobalCache {
+		cacher = engine.Cacher
+	}
+	return cacher
+}
+
+func (engine *Engine) GetCacher(tableName string) core.Cacher {
+	return engine.getCacher(tableName)
+}
+
+// BufferSize sets buffer size for iterate
+func (engine *Engine) BufferSize(size int) *Session {
+	session := engine.NewSession()
+	session.isAutoClose = true
+	return session.BufferSize(size)
+}
+
+// CondDeleted returns the conditions whether a record is soft deleted.
+func (engine *Engine) CondDeleted(colName string) builder.Cond {
+	if engine.dialect.DBType() == core.MSSQL {
+		return builder.IsNull{colName}
+	}
+	return builder.IsNull{colName}.Or(builder.Eq{colName: zeroTime1})
 }
 
 // ShowSQL show SQL statement or not on logger if log level is great than INFO
@@ -79,6 +125,11 @@ func (engine *Engine) SetLogger(logger core.ILogger) {
 	engine.dialect.SetLogger(logger)
 }
 
+// SetLogLevel sets the logger level
+func (engine *Engine) SetLogLevel(level core.LogLevel) {
+	engine.logger.SetLevel(level)
+}
+
 // SetDisableGlobalCache disable global cache or not
 func (engine *Engine) SetDisableGlobalCache(disable bool) {
 	if engine.disableGlobalCache != disable {
@@ -126,6 +177,14 @@ func (engine *Engine) QuoteStr() string {
 	return engine.dialect.QuoteStr()
 }
 
+func (engine *Engine) quoteColumns(columnStr string) string {
+	columns := strings.Split(columnStr, ",")
+	for i := 0; i < len(columns); i++ {
+		columns[i] = engine.Quote(strings.TrimSpace(columns[i]))
+	}
+	return strings.Join(columns, ",")
+}
+
 // Quote Use QuoteStr quote the string sql
 func (engine *Engine) Quote(value string) string {
 	value = strings.TrimSpace(value)
@@ -143,7 +202,7 @@ func (engine *Engine) Quote(value string) string {
 }
 
 // QuoteTo quotes string and writes into the buffer
-func (engine *Engine) QuoteTo(buf *bytes.Buffer, value string) {
+func (engine *Engine) QuoteTo(buf *builder.StringBuilder, value string) {
 	if buf == nil {
 		return
 	}
@@ -186,6 +245,11 @@ func (engine *Engine) AutoIncrStr() string {
 	return engine.dialect.AutoIncrStr()
 }
 
+// SetConnMaxLifetime sets the maximum amount of time a connection may be reused.
+func (engine *Engine) SetConnMaxLifetime(d time.Duration) {
+	engine.db.SetConnMaxLifetime(d)
+}
+
 // SetMaxOpenConns is only available for go 1.2+
 func (engine *Engine) SetMaxOpenConns(conns int) {
 	engine.db.SetMaxOpenConns(conns)
@@ -201,6 +265,11 @@ func (engine *Engine) SetDefaultCacher(cacher core.Cacher) {
 	engine.Cacher = cacher
 }
 
+// GetDefaultCacher returns the default cacher
+func (engine *Engine) GetDefaultCacher() core.Cacher {
+	return engine.Cacher
+}
+
 // NoCache If you has set default cacher, and you want temporilly stop use cache,
 // you can use NoCache()
 func (engine *Engine) NoCache() *Session {
@@ -218,13 +287,7 @@ func (engine *Engine) NoCascade() *Session {
 
 // MapCacher Set a table use a special cacher
 func (engine *Engine) MapCacher(bean interface{}, cacher core.Cacher) error {
-	v := rValue(bean)
+	engine.setCacher(engine.TableName(bean, true), cacher)
-	tb, err := engine.autoMapType(v)
-	if err != nil {
-		return err
-	}
-
-	tb.Cacher = cacher
 	return nil
 }
 
@@ -509,33 +572,6 @@ func (engine *Engine) dumpTables(tables []*core.Table, w io.Writer, tp ...core.D
 	return nil
 }
 
-func (engine *Engine) tableName(beanOrTableName interface{}) (string, error) {
-	v := rValue(beanOrTableName)
-	if v.Type().Kind() == reflect.String {
-		return beanOrTableName.(string), nil
-	} else if v.Type().Kind() == reflect.Struct {
-		return engine.tbName(v), nil
-	}
-	return "", errors.New("bean should be a struct or struct's point")
-}
-
-func (engine *Engine) tbName(v reflect.Value) string {
-	if tb, ok := v.Interface().(TableName); ok {
-		return tb.TableName()
-	}
-
-	if v.Type().Kind() == reflect.Ptr {
-		if tb, ok := reflect.Indirect(v).Interface().(TableName); ok {
-			return tb.TableName()
-		}
-	} else if v.CanAddr() {
-		if tb, ok := v.Addr().Interface().(TableName); ok {
-			return tb.TableName()
-		}
-	}
-	return engine.TableMapper.Obj2Table(reflect.Indirect(v).Type().Name())
-}
-
 // Cascade use cascade or not
 func (engine *Engine) Cascade(trueOrFalse ...bool) *Session {
 	session := engine.NewSession()
@@ -736,6 +772,13 @@ func (engine *Engine) OrderBy(order string) *Session {
 	return session.OrderBy(order)
 }
 
+// Prepare enables prepare statement
+func (engine *Engine) Prepare() *Session {
+	session := engine.NewSession()
+	session.isAutoClose = true
+	return session.Prepare()
+}
+
 // Join the join_operator should be one of INNER, LEFT OUTER, CROSS etc - this will be prepended to JOIN
 func (engine *Engine) Join(joinOperator string, tablename interface{}, condition string, args ...interface{}) *Session {
 	session := engine.NewSession()
@@ -757,7 +800,8 @@ func (engine *Engine) Having(conditions string) *Session {
 	return session.Having(conditions)
 }
 
-func (engine *Engine) unMapType(t reflect.Type) {
+// UnMapType removes the datbase mapper of a type
+func (engine *Engine) UnMapType(t reflect.Type) {
 	engine.mutex.Lock()
 	defer engine.mutex.Unlock()
 	delete(engine.Tables, t)
@@ -811,7 +855,7 @@ func (engine *Engine) TableInfo(bean interface{}) *Table {
 	if err != nil {
 		engine.logger.Error(err)
 	}
-	return &Table{tb, engine.tbName(v)}
+	return &Table{tb, engine.TableName(bean)}
 }
 
 func addIndex(indexName string, table *core.Table, col *core.Column, indexType int) {
@@ -826,15 +870,6 @@ func addIndex(indexName string, table *core.Table, col *core.Column, indexType i
 	}
 }
 
-func (engine *Engine) newTable() *core.Table {
-	table := core.NewEmptyTable()
-
-	if !engine.disableGlobalCache {
-		table.Cacher = engine.Cacher
-	}
-	return table
-}
-
 // TableName table name interface to define customerize table name
 type TableName interface {
 	TableName() string
@@ -846,21 +881,9 @@ var (
 
 func (engine *Engine) mapType(v reflect.Value) (*core.Table, error) {
 	t := v.Type()
-	table := engine.newTable()
+	table := core.NewEmptyTable()
-	if tb, ok := v.Interface().(TableName); ok {
-		table.Name = tb.TableName()
-	} else {
-		if v.CanAddr() {
-			if tb, ok = v.Addr().Interface().(TableName); ok {
-				table.Name = tb.TableName()
-			}
-		}
-		if table.Name == "" {
-			table.Name = engine.TableMapper.Obj2Table(t.Name())
-		}
-	}
-
 	table.Type = t
+	table.Name = engine.tbNameForMap(v)
 
 	var idFieldColName string
 	var hasCacheTag, hasNoCacheTag bool
@@ -914,7 +937,7 @@ func (engine *Engine) mapType(v reflect.Value) (*core.Table, error) {
 					}
 					if pStart > -1 {
 						if !strings.HasSuffix(k, ")") {
-							return nil, errors.New("cannot match ) charactor")
+							return nil, fmt.Errorf("field %s tag %s cannot match ) charactor", col.FieldName, key)
 						}
 
 						ctx.tagName = k[:pStart]
@@ -1014,15 +1037,15 @@ func (engine *Engine) mapType(v reflect.Value) (*core.Table, error) {
 	if hasCacheTag {
 		if engine.Cacher != nil { // !nash! use engine's cacher if provided
 			engine.logger.Info("enable cache on table:", table.Name)
-			table.Cacher = engine.Cacher
+			engine.setCacher(table.Name, engine.Cacher)
 		} else {
 			engine.logger.Info("enable LRU cache on table:", table.Name)
-			table.Cacher = NewLRUCacher2(NewMemoryStore(), time.Hour, 10000) // !nashtsai! HACK use LRU cacher for now
+			engine.setCacher(table.Name, NewLRUCacher2(NewMemoryStore(), time.Hour, 10000))
 		}
 	}
 	if hasNoCacheTag {
-		engine.logger.Info("no cache on table:", table.Name)
+		engine.logger.Info("disable cache on table:", table.Name)
-		table.Cacher = nil
+		engine.setCacher(table.Name, nil)
 	}
 
 	return table, nil
@@ -1081,7 +1104,25 @@ func (engine *Engine) idOfV(rv reflect.Value) (core.PK, error) {
 	pk := make([]interface{}, len(table.PrimaryKeys))
 	for i, col := range table.PKColumns() {
 		var err error
-		pkField := v.FieldByName(col.FieldName)
+
+		fieldName := col.FieldName
+		for {
+			parts := strings.SplitN(fieldName, ".", 2)
+			if len(parts) == 1 {
+				break
+			}
+
+			v = v.FieldByName(parts[0])
+			if v.Kind() == reflect.Ptr {
+				v = v.Elem()
+			}
+			if v.Kind() != reflect.Struct {
+				return nil, ErrUnSupportedType
+			}
+			fieldName = parts[1]
+		}
+
+		pkField := v.FieldByName(fieldName)
 		switch pkField.Kind() {
 		case reflect.String:
 			pk[i], err = engine.idTypeAssertion(col, pkField.String())
@@ -1127,26 +1168,10 @@ func (engine *Engine) CreateUniques(bean interface{}) error {
 	return session.CreateUniques(bean)
 }
 
-func (engine *Engine) getCacher2(table *core.Table) core.Cacher {
-	return table.Cacher
-}
-
 // ClearCacheBean if enabled cache, clear the cache bean
 func (engine *Engine) ClearCacheBean(bean interface{}, id string) error {
-	v := rValue(bean)
+	tableName := engine.TableName(bean)
-	t := v.Type()
+	cacher := engine.getCacher(tableName)
-	if t.Kind() != reflect.Struct {
-		return errors.New("error params")
-	}
-	tableName := engine.tbName(v)
-	table, err := engine.autoMapType(v)
-	if err != nil {
-		return err
-	}
-	cacher := table.Cacher
-	if cacher == nil {
-		cacher = engine.Cacher
-	}
 	if cacher != nil {
 		cacher.ClearIds(tableName)
 		cacher.DelBean(tableName, id)
@@ -1157,21 +1182,8 @@ func (engine *Engine) ClearCacheBean(bean interface{}, id string) error {
 // ClearCache if enabled cache, clear some tables' cache
 func (engine *Engine) ClearCache(beans ...interface{}) error {
 	for _, bean := range beans {
-		v := rValue(bean)
+		tableName := engine.TableName(bean)
-		t := v.Type()
+		cacher := engine.getCacher(tableName)
-		if t.Kind() != reflect.Struct {
-			return errors.New("error params")
-		}
-		tableName := engine.tbName(v)
-		table, err := engine.autoMapType(v)
-		if err != nil {
-			return err
-		}
-
-		cacher := table.Cacher
-		if cacher == nil {
-			cacher = engine.Cacher
-		}
 		if cacher != nil {
 			cacher.ClearIds(tableName)
 			cacher.ClearBeans(tableName)
@@ -1189,13 +1201,13 @@ func (engine *Engine) Sync(beans ...interface{}) error {
 
 	for _, bean := range beans {
 		v := rValue(bean)
-		tableName := engine.tbName(v)
+		tableNameNoSchema := engine.TableName(bean)
 		table, err := engine.autoMapType(v)
 		if err != nil {
 			return err
 		}
 
-		isExist, err := session.Table(bean).isTableExist(tableName)
+		isExist, err := session.Table(bean).isTableExist(tableNameNoSchema)
 		if err != nil {
 			return err
 		}
@@ -1221,12 +1233,12 @@ func (engine *Engine) Sync(beans ...interface{}) error {
 			}
 		} else {
 			for _, col := range table.Columns() {
-				isExist, err := engine.dialect.IsColumnExist(tableName, col.Name)
+				isExist, err := engine.dialect.IsColumnExist(tableNameNoSchema, col.Name)
 				if err != nil {
 					return err
 				}
 				if !isExist {
-					if err := session.statement.setRefValue(v); err != nil {
+					if err := session.statement.setRefBean(bean); err != nil {
 						return err
 					}
 					err = session.addColumn(col.Name)
@@ -1237,35 +1249,35 @@ func (engine *Engine) Sync(beans ...interface{}) error {
 			}
 
 			for name, index := range table.Indexes {
-				if err := session.statement.setRefValue(v); err != nil {
+				if err := session.statement.setRefBean(bean); err != nil {
 					return err
 				}
 				if index.Type == core.UniqueType {
-					isExist, err := session.isIndexExist2(tableName, index.Cols, true)
+					isExist, err := session.isIndexExist2(tableNameNoSchema, index.Cols, true)
 					if err != nil {
 						return err
 					}
 					if !isExist {
-						if err := session.statement.setRefValue(v); err != nil {
+						if err := session.statement.setRefBean(bean); err != nil {
 							return err
 						}
 
-						err = session.addUnique(tableName, name)
+						err = session.addUnique(tableNameNoSchema, name)
 						if err != nil {
 							return err
 						}
 					}
 				} else if index.Type == core.IndexType {
-					isExist, err := session.isIndexExist2(tableName, index.Cols, false)
+					isExist, err := session.isIndexExist2(tableNameNoSchema, index.Cols, false)
 					if err != nil {
 						return err
 					}
 					if !isExist {
-						if err := session.statement.setRefValue(v); err != nil {
+						if err := session.statement.setRefBean(bean); err != nil {
 							return err
 						}
 
-						err = session.addIndex(tableName, name)
+						err = session.addIndex(tableNameNoSchema, name)
 						if err != nil {
 							return err
 						}
@@ -1334,31 +1346,31 @@ func (engine *Engine) DropIndexes(bean interface{}) error {
 }
 
 // Exec raw sql
-func (engine *Engine) Exec(sql string, args ...interface{}) (sql.Result, error) {
+func (engine *Engine) Exec(sqlorArgs ...interface{}) (sql.Result, error) {
 	session := engine.NewSession()
 	defer session.Close()
-	return session.Exec(sql, args...)
+	return session.Exec(sqlorArgs...)
 }
 
 // Query a raw sql and return records as []map[string][]byte
-func (engine *Engine) Query(sql string, paramStr ...interface{}) (resultsSlice []map[string][]byte, err error) {
+func (engine *Engine) Query(sqlorArgs ...interface{}) (resultsSlice []map[string][]byte, err error) {
 	session := engine.NewSession()
 	defer session.Close()
-	return session.Query(sql, paramStr...)
+	return session.Query(sqlorArgs...)
 }
 
 // QueryString runs a raw sql and return records as []map[string]string
-func (engine *Engine) QueryString(sqlStr string, args ...interface{}) ([]map[string]string, error) {
+func (engine *Engine) QueryString(sqlorArgs ...interface{}) ([]map[string]string, error) {
 	session := engine.NewSession()
 	defer session.Close()
-	return session.QueryString(sqlStr, args...)
+	return session.QueryString(sqlorArgs...)
 }
 
 // QueryInterface runs a raw sql and return records as []map[string]interface{}
-func (engine *Engine) QueryInterface(sqlStr string, args ...interface{}) ([]map[string]interface{}, error) {
+func (engine *Engine) QueryInterface(sqlorArgs ...interface{}) ([]map[string]interface{}, error) {
 	session := engine.NewSession()
 	defer session.Close()
-	return session.QueryInterface(sqlStr, args...)
+	return session.QueryInterface(sqlorArgs...)
 }
 
 // Insert one or more records
@@ -1418,6 +1430,13 @@ func (engine *Engine) Find(beans interface{}, condiBeans ...interface{}) error {
 	return session.Find(beans, condiBeans...)
 }
 
+// FindAndCount find the results and also return the counts
+func (engine *Engine) FindAndCount(rowsSlicePtr interface{}, condiBean ...interface{}) (int64, error) {
+	session := engine.NewSession()
+	defer session.Close()
+	return session.FindAndCount(rowsSlicePtr, condiBean...)
+}
+
 // Iterate record by record handle records from table, bean's non-empty fields
 // are conditions.
 func (engine *Engine) Iterate(bean interface{}, fun IterFunc) error {
@@ -1564,24 +1583,44 @@ func (engine *Engine) formatTime(sqlTypeName string, t time.Time) (v interface{}
 	return
 }
 
+// GetColumnMapper returns the column name mapper
+func (engine *Engine) GetColumnMapper() core.IMapper {
+	return engine.ColumnMapper
+}
+
+// GetTableMapper returns the table name mapper
+func (engine *Engine) GetTableMapper() core.IMapper {
+	return engine.TableMapper
+}
+
+// GetTZLocation returns time zone of the application
+func (engine *Engine) GetTZLocation() *time.Location {
+	return engine.TZLocation
+}
+
+// SetTZLocation sets time zone of the application
+func (engine *Engine) SetTZLocation(tz *time.Location) {
+	engine.TZLocation = tz
+}
+
+// GetTZDatabase returns time zone of the database
+func (engine *Engine) GetTZDatabase() *time.Location {
+	return engine.DatabaseTZ
+}
+
+// SetTZDatabase sets time zone of the database
+func (engine *Engine) SetTZDatabase(tz *time.Location) {
+	engine.DatabaseTZ = tz
+}
+
+// SetSchema sets the schema of database
+func (engine *Engine) SetSchema(schema string) {
+	engine.dialect.URI().Schema = schema
+}
+
 // Unscoped always disable struct tag "deleted"
 func (engine *Engine) Unscoped() *Session {
 	session := engine.NewSession()
 	session.isAutoClose = true
 	return session.Unscoped()
 }
-
-// CondDeleted returns the conditions whether a record is soft deleted.
-func (engine *Engine) CondDeleted(colName string) builder.Cond {
-	if engine.dialect.DBType() == core.MSSQL {
-		return builder.IsNull{colName}
-	}
-	return builder.IsNull{colName}.Or(builder.Eq{colName: zeroTime1})
-}
-
-// BufferSize sets buffer size for iterate
-func (engine *Engine) BufferSize(size int) *Session {
-	session := engine.NewSession()
-	session.isAutoClose = true
-	return session.BufferSize(size)
-}

vendor/github.com/go-xorm/xorm/engine_cond.go

@@ -9,6 +9,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"reflect"
+	"strings"
 	"time"
 
 	"github.com/go-xorm/builder"
@@ -51,7 +52,9 @@ func (engine *Engine) buildConds(table *core.Table, bean interface{},
 
 		fieldValuePtr, err := col.ValueOf(bean)
 		if err != nil {
-			engine.logger.Error(err)
+			if !strings.Contains(err.Error(), "is not valid") {
+				engine.logger.Warn(err)
+			}
 			continue
 		}
 

vendor/github.com/go-xorm/xorm/engine_maxlife.go

@@ -1,14 +0,0 @@
-// 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)
-}

vendor/github.com/go-xorm/xorm/error.go

@@ -6,21 +6,44 @@ package xorm
 
 import (
 	"errors"
+	"fmt"
 )
 
 var (
 	// ErrParamsType params error
 	ErrParamsType = errors.New("Params type error")
 	// ErrTableNotFound table not found error
-	ErrTableNotFound = errors.New("Not found table")
+	ErrTableNotFound = errors.New("Table not found")
 	// ErrUnSupportedType unsupported error
 	ErrUnSupportedType = errors.New("Unsupported type error")
-	// ErrNotExist record is not exist error
+	// ErrNotExist record does not exist error
-	ErrNotExist = errors.New("Not exist error")
+	ErrNotExist = errors.New("Record does not exist")
 	// 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")
+	ErrNeedDeletedCond = errors.New("Delete action needs at least one condition")
 	// ErrNotImplemented not implemented
 	ErrNotImplemented = errors.New("Not implemented")
+	// ErrConditionType condition type unsupported
+	ErrConditionType = errors.New("Unsupported condition type")
 )
+
+// ErrFieldIsNotExist columns does not exist
+type ErrFieldIsNotExist struct {
+	FieldName string
+	TableName string
+}
+
+func (e ErrFieldIsNotExist) Error() string {
+	return fmt.Sprintf("field %s is not valid on table %s", e.FieldName, e.TableName)
+}
+
+// ErrFieldIsNotValid is not valid
+type ErrFieldIsNotValid struct {
+	FieldName string
+	TableName string
+}
+
+func (e ErrFieldIsNotValid) Error() string {
+	return fmt.Sprintf("field %s is not valid on table %s", e.FieldName, e.TableName)
+}

vendor/github.com/go-xorm/xorm/helpers.go

@@ -11,7 +11,6 @@ import (
 	"sort"
 	"strconv"
 	"strings"
-	"time"
 
 	"github.com/go-xorm/core"
 )
@@ -293,19 +292,6 @@ func structName(v reflect.Type) string {
 	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
@@ -320,154 +306,6 @@ func sliceEq(left, right []string) bool {
 	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
-}

vendor/github.com/go-xorm/xorm/migrate/migrate.go

@@ -1,214 +0,0 @@
-package migrate
-
-import (
-	"errors"
-	"fmt"
-
-	"github.com/go-xorm/xorm"
-)
-
-// MigrateFunc is the func signature for migrating.
-type MigrateFunc func(*xorm.Engine) error
-
-// RollbackFunc is the func signature for rollbacking.
-type RollbackFunc func(*xorm.Engine) error
-
-// InitSchemaFunc is the func signature for initializing the schema.
-type InitSchemaFunc func(*xorm.Engine) error
-
-// Options define options for all migrations.
-type Options struct {
-	// TableName is the migration table.
-	TableName string
-	// IDColumnName is the name of column where the migration id will be stored.
-	IDColumnName string
-}
-
-// Migration represents a database migration (a modification to be made on the database).
-type Migration struct {
-	// ID is the migration identifier. Usually a timestamp like "201601021504".
-	ID string
-	// Migrate is a function that will br executed while running this migration.
-	Migrate MigrateFunc
-	// Rollback will be executed on rollback. Can be nil.
-	Rollback RollbackFunc
-}
-
-// Migrate represents a collection of all migrations of a database schema.
-type Migrate struct {
-	db         *xorm.Engine
-	options    *Options
-	migrations []*Migration
-	initSchema InitSchemaFunc
-}
-
-var (
-	// DefaultOptions can be used if you don't want to think about options.
-	DefaultOptions = &Options{
-		TableName:    "migrations",
-		IDColumnName: "id",
-	}
-
-	// ErrRollbackImpossible is returned when trying to rollback a migration
-	// that has no rollback function.
-	ErrRollbackImpossible = errors.New("It's impossible to rollback this migration")
-
-	// ErrNoMigrationDefined is returned when no migration is defined.
-	ErrNoMigrationDefined = errors.New("No migration defined")
-
-	// ErrMissingID is returned when the ID od migration is equal to ""
-	ErrMissingID = errors.New("Missing ID in migration")
-
-	// ErrNoRunnedMigration is returned when any runned migration was found while
-	// running RollbackLast
-	ErrNoRunnedMigration = errors.New("Could not find last runned migration")
-)
-
-// New returns a new Gormigrate.
-func New(db *xorm.Engine, options *Options, migrations []*Migration) *Migrate {
-	return &Migrate{
-		db:         db,
-		options:    options,
-		migrations: migrations,
-	}
-}
-
-// InitSchema sets a function that is run if no migration is found.
-// The idea is preventing to run all migrations when a new clean database
-// is being migrating. In this function you should create all tables and
-// foreign key necessary to your application.
-func (m *Migrate) InitSchema(initSchema InitSchemaFunc) {
-	m.initSchema = initSchema
-}
-
-// Migrate executes all migrations that did not run yet.
-func (m *Migrate) Migrate() error {
-	if err := m.createMigrationTableIfNotExists(); err != nil {
-		return err
-	}
-
-	if m.initSchema != nil && m.isFirstRun() {
-		if err := m.runInitSchema(); err != nil {
-			return err
-		}
-		return nil
-	}
-
-	for _, migration := range m.migrations {
-		if err := m.runMigration(migration); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// RollbackLast undo the last migration
-func (m *Migrate) RollbackLast() error {
-	if len(m.migrations) == 0 {
-		return ErrNoMigrationDefined
-	}
-
-	lastRunnedMigration, err := m.getLastRunnedMigration()
-	if err != nil {
-		return err
-	}
-
-	if err := m.RollbackMigration(lastRunnedMigration); err != nil {
-		return err
-	}
-	return nil
-}
-
-func (m *Migrate) getLastRunnedMigration() (*Migration, error) {
-	for i := len(m.migrations) - 1; i >= 0; i-- {
-		migration := m.migrations[i]
-		if m.migrationDidRun(migration) {
-			return migration, nil
-		}
-	}
-	return nil, ErrNoRunnedMigration
-}
-
-// RollbackMigration undo a migration.
-func (m *Migrate) RollbackMigration(mig *Migration) error {
-	if mig.Rollback == nil {
-		return ErrRollbackImpossible
-	}
-
-	if err := mig.Rollback(m.db); err != nil {
-		return err
-	}
-
-	sql := fmt.Sprintf("DELETE FROM %s WHERE %s = ?", m.options.TableName, m.options.IDColumnName)
-	if _, err := m.db.Exec(sql, mig.ID); err != nil {
-		return err
-	}
-	return nil
-}
-
-func (m *Migrate) runInitSchema() error {
-	if err := m.initSchema(m.db); err != nil {
-		return err
-	}
-
-	for _, migration := range m.migrations {
-		if err := m.insertMigration(migration.ID); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (m *Migrate) runMigration(migration *Migration) error {
-	if len(migration.ID) == 0 {
-		return ErrMissingID
-	}
-
-	if !m.migrationDidRun(migration) {
-		if err := migration.Migrate(m.db); err != nil {
-			return err
-		}
-
-		if err := m.insertMigration(migration.ID); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (m *Migrate) createMigrationTableIfNotExists() error {
-	exists, err := m.db.IsTableExist(m.options.TableName)
-	if err != nil {
-		return err
-	}
-	if exists {
-		return nil
-	}
-
-	sql := fmt.Sprintf("CREATE TABLE %s (%s VARCHAR(255) PRIMARY KEY)", m.options.TableName, m.options.IDColumnName)
-	if _, err := m.db.Exec(sql); err != nil {
-		return err
-	}
-	return nil
-}
-
-func (m *Migrate) migrationDidRun(mig *Migration) bool {
-	row := m.db.DB().QueryRow(fmt.Sprintf("SELECT COUNT(*) FROM %s WHERE %s = ?", m.options.TableName, m.options.IDColumnName), mig.ID)
-	var count int
-	row.Scan(&count)
-	return count > 0
-}
-
-func (m *Migrate) isFirstRun() bool {
-	row := m.db.DB().QueryRow(fmt.Sprintf("SELECT COUNT(*) FROM %s", m.options.TableName))
-	var count int
-	row.Scan(&count)
-	return count == 0
-}
-
-func (m *Migrate) insertMigration(id string) error {
-	sql := fmt.Sprintf("INSERT INTO %s (%s) VALUES (?)", m.options.TableName, m.options.IDColumnName)
-	_, err := m.db.Exec(sql, id)
-	return err
-}

vendor/github.com/go-xorm/xorm/rows.go

@@ -32,7 +32,7 @@ func newRows(session *Session, bean interface{}) (*Rows, error) {
 	var args []interface{}
 	var err error
 
-	if err = rows.session.statement.setRefValue(rValue(bean)); err != nil {
+	if err = rows.session.statement.setRefBean(bean); err != nil {
 		return nil, err
 	}
 
@@ -94,8 +94,7 @@ func (rows *Rows) Scan(bean interface{}) error {
 		return fmt.Errorf("scan arg is incompatible type to [%v]", rows.beanType)
 	}
 
-	dataStruct := rValue(bean)
+	if err := rows.session.statement.setRefBean(bean); err != nil {
-	if err := rows.session.statement.setRefValue(dataStruct); err != nil {
 		return err
 	}
 
@@ -104,6 +103,7 @@ func (rows *Rows) Scan(bean interface{}) error {
 		return err
 	}
 
+	dataStruct := rValue(bean)
 	_, err = rows.session.slice2Bean(scanResults, rows.fields, bean, &dataStruct, rows.session.statement.RefTable)
 	if err != nil {
 		return err

vendor/github.com/go-xorm/xorm/session.go

@@ -76,6 +76,7 @@ func (session *Session) Init() {
 	session.afterDeleteBeans = make(map[interface{}]*[]func(interface{}), 0)
 	session.beforeClosures = make([]func(interface{}), 0)
 	session.afterClosures = make([]func(interface{}), 0)
+	session.stmtCache = make(map[uint32]*core.Stmt)
 
 	session.afterProcessors = make([]executedProcessor, 0)
 
@@ -101,6 +102,12 @@ func (session *Session) Close() {
 	}
 }
 
+// ContextCache enable context cache or not
+func (session *Session) ContextCache(context ContextCache) *Session {
+	session.statement.context = context
+	return session
+}
+
 // IsClosed returns if session is closed
 func (session *Session) IsClosed() bool {
 	return session.db == nil
@@ -262,13 +269,13 @@ func (session *Session) canCache() bool {
 	return true
 }
 
-func (session *Session) doPrepare(sqlStr string) (stmt *core.Stmt, err error) {
+func (session *Session) doPrepare(db *core.DB, 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)
+		stmt, err = db.Prepare(sqlStr)
 		if err != nil {
 			return nil, err
 		}
@@ -277,24 +284,22 @@ func (session *Session) doPrepare(sqlStr string) (stmt *core.Stmt, err error) {
 	return
 }
 
-func (session *Session) getField(dataStruct *reflect.Value, key string, table *core.Table, idx int) *reflect.Value {
+func (session *Session) getField(dataStruct *reflect.Value, key string, table *core.Table, idx int) (*reflect.Value, error) {
 	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, ErrFieldIsNotExist{key, table.Name}
-		return nil
 	}
 
 	fieldValue, err := col.ValueOfV(dataStruct)
 	if err != nil {
-		session.engine.logger.Error(err)
+		return nil, 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, ErrFieldIsNotValid{key, table.Name}
-		return nil
 	}
-	return fieldValue
+
+	return fieldValue, nil
 }
 
 // Cell cell is a result of one column field
@@ -406,405 +411,417 @@ func (session *Session) slice2Bean(scanResults []interface{}, fields []string, b
 		}
 		tempMap[lKey] = idx
 
-		if fieldValue := session.getField(dataStruct, key, table, idx); fieldValue != nil {
+		fieldValue, err := session.getField(dataStruct, key, table, idx)
-			rawValue := reflect.Indirect(reflect.ValueOf(scanResults[ii]))
+		if err != nil {
-
+			if !strings.Contains(err.Error(), "is not valid") {
-			// if row is null then ignore
+				session.engine.logger.Warn(err)
-			if rawValue.Interface() == nil {
-				continue
 			}
+			continue
+		}
+		if fieldValue == nil {
+			continue
+		}
+		rawValue := reflect.Indirect(reflect.ValueOf(scanResults[ii]))
 
-			if fieldValue.CanAddr() {
+		// if row is null then ignore
-				if structConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok {
+		if rawValue.Interface() == nil {
-					if data, err := value2Bytes(&rawValue); err == nil {
+			continue
-						if err := structConvert.FromDB(data); err != nil {
+		}
-							return nil, err
+
-						}
+		if fieldValue.CanAddr() {
-					} else {
+			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
 					}
-					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())
+		if _, ok := fieldValue.Interface().(core.Conversion); ok {
-			vv := reflect.ValueOf(rawValue.Interface())
+			if data, err := value2Bytes(&rawValue); err == nil {
-			col := table.GetColumnIdx(key, idx)
+				if fieldValue.Kind() == reflect.Ptr && fieldValue.IsNil() {
-			if col.IsPrimaryKey {
+					fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
-				pk = append(pk, rawValue.Interface())
+				}
+				fieldValue.Interface().(core.Conversion).FromDB(data)
+			} else {
+				return nil, err
 			}
-			fieldType := fieldValue.Type()
+			continue
-			hasAssigned := false
+		}
 
-			if col.SQLType.IsJson() {
+		rawValueType := reflect.TypeOf(rawValue.Interface())
-				var bs []byte
+		vv := reflect.ValueOf(rawValue.Interface())
-				if rawValueType.Kind() == reflect.String {
+		col := table.GetColumnIdx(key, idx)
-					bs = []byte(vv.String())
+		if col.IsPrimaryKey {
-				} else if rawValueType.ConvertibleTo(core.BytesType) {
+			pk = append(pk, rawValue.Interface())
-					bs = vv.Bytes()
+		}
+		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 fieldType.Kind() == reflect.String {
+					fieldValue.SetString(string(bs))
+					continue
+				}
+				if fieldValue.CanAddr() {
+					err := json.Unmarshal(bs, fieldValue.Addr().Interface())
+					if err != nil {
+						return nil, err
+					}
 				} else {
-					return nil, fmt.Errorf("unsupported database data type: %s %v", key, rawValueType.Kind())
+					x := reflect.New(fieldType)
-				}
+					err := json.Unmarshal(bs, x.Interface())
-
+					if err != nil {
-				hasAssigned = true
+						return nil, err
-
-				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())
 					}
+					fieldValue.Set(x.Elem())
 				}
-
-				continue
 			}
 
-			switch fieldType.Kind() {
+			continue
-			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
+		switch fieldType.Kind() {
-				if len(bs) > 0 {
+		case reflect.Complex64, reflect.Complex128:
-					if fieldValue.CanAddr() {
+			// TODO: reimplement this
-						err := json.Unmarshal(bs, fieldValue.Addr().Interface())
+			var bs []byte
-						if err != nil {
+			if rawValueType.Kind() == reflect.String {
-							return nil, err
+				bs = []byte(vv.String())
-						}
+			} else if rawValueType.ConvertibleTo(core.BytesType) {
-					} else {
+				bs = vv.Bytes()
-						x := reflect.New(fieldType)
+			}
-						err := json.Unmarshal(bs, x.Interface())
+
-						if err != nil {
+			hasAssigned = true
-							return nil, err
+			if len(bs) > 0 {
-						}
+				if fieldValue.CanAddr() {
-						fieldValue.Set(x.Elem())
+					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.Kind() {
+				switch rawValueType.Elem().Kind() {
-				case reflect.Slice, reflect.Array:
+				case reflect.Uint8:
-					switch rawValueType.Elem().Kind() {
+					if fieldType.Elem().Kind() == reflect.Uint8 {
-					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
-
+						if col.SQLType.IsText() {
-						t := vv.Convert(core.TimeType).Interface().(time.Time)
+							x := reflect.New(fieldType)
-
-						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")
+							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.Ptr:
+			}
-				// !nashtsai! TODO merge duplicated codes above
+		case reflect.String:
-				switch fieldType {
+			if rawValueType.Kind() == reflect.String {
-				// following types case matching ptr's native type, therefore assign ptr directly
+				hasAssigned = true
-				case core.PtrStringType:
+				fieldValue.SetString(vv.String())
-					if rawValueType.Kind() == reflect.String {
+			}
-						x := vv.String()
+		case reflect.Bool:
-						hasAssigned = true
+			if rawValueType.Kind() == reflect.Bool {
-						fieldValue.Set(reflect.ValueOf(&x))
+				hasAssigned = true
-					}
+				fieldValue.SetBool(vv.Bool())
-				case core.PtrBoolType:
+			}
-					if rawValueType.Kind() == reflect.Bool {
+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-						x := vv.Bool()
+			switch rawValueType.Kind() {
-						hasAssigned = true
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-						fieldValue.Set(reflect.ValueOf(&x))
+				hasAssigned = true
-					}
+				fieldValue.SetInt(vv.Int())
-				case core.PtrTimeType:
+			}
-					if rawValueType == core.PtrTimeType {
+		case reflect.Float32, reflect.Float64:
-						hasAssigned = true
+			switch rawValueType.Kind() {
-						var x = rawValue.Interface().(time.Time)
+			case reflect.Float32, reflect.Float64:
-						fieldValue.Set(reflect.ValueOf(&x))
+				hasAssigned = true
-					}
+				fieldValue.SetFloat(vv.Float())
-				case core.PtrFloat64Type:
+			}
-					if rawValueType.Kind() == reflect.Float64 {
+		case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-						x := vv.Float()
+			switch rawValueType.Kind() {
-						hasAssigned = true
+			case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-						fieldValue.Set(reflect.ValueOf(&x))
+				hasAssigned = true
-					}
+				fieldValue.SetUint(vv.Uint())
-				case core.PtrUint64Type:
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-					if rawValueType.Kind() == reflect.Int64 {
+				hasAssigned = true
-						var x = uint64(vv.Int())
+				fieldValue.SetUint(uint64(vv.Int()))
-						hasAssigned = true
+			}
-						fieldValue.Set(reflect.ValueOf(&x))
+		case reflect.Struct:
-					}
+			if fieldType.ConvertibleTo(core.TimeType) {
-				case core.PtrInt64Type:
+				dbTZ := session.engine.DatabaseTZ
-					if rawValueType.Kind() == reflect.Int64 {
+				if col.TimeZone != nil {
-						x := vv.Int()
+					dbTZ = col.TimeZone
-						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 rawValueType == core.TimeType {
-			if !hasAssigned {
+					hasAssigned = true
-				data, err := value2Bytes(&rawValue)
+
+					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
 				}
 
-				if err = session.bytes2Value(col, fieldValue, data); err != nil {
+				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
 			}
 		}
 	}
@@ -823,15 +840,6 @@ 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()

vendor/github.com/go-xorm/xorm/session_cols.go

@@ -4,6 +4,121 @@
 
 package xorm
 
+import (
+	"reflect"
+	"strings"
+	"time"
+
+	"github.com/go-xorm/core"
+)
+
+type incrParam struct {
+	colName string
+	arg     interface{}
+}
+
+type decrParam struct {
+	colName string
+	arg     interface{}
+}
+
+type exprParam struct {
+	colName string
+	expr    string
+}
+
+type columnMap []string
+
+func (m columnMap) contain(colName string) bool {
+	if len(m) == 0 {
+		return false
+	}
+
+	n := len(colName)
+	for _, mk := range m {
+		if len(mk) != n {
+			continue
+		}
+		if strings.EqualFold(mk, colName) {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (m *columnMap) add(colName string) bool {
+	if m.contain(colName) {
+		return false
+	}
+	*m = append(*m, colName)
+	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 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
+}
+
+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
+}
+
 // Incr provides a query string like "count = count + 1"
 func (session *Session) Incr(column string, arg ...interface{}) *Session {
 	session.statement.Incr(column, arg...)

vendor/github.com/go-xorm/xorm/session_convert.go

@@ -34,27 +34,27 @@ func (session *Session) str2Time(col *core.Column, data string) (outTime time.Ti
 		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)
+			//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)
+			//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)
+			//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)
+			//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)
+		//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)
+		//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, " ")
@@ -68,7 +68,7 @@ func (session *Session) str2Time(col *core.Column, data string) (outTime time.Ti
 
 		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)
+		//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

vendor/github.com/go-xorm/xorm/session_delete.go

@@ -27,7 +27,7 @@ func (session *Session) cacheDelete(table *core.Table, tableName, sqlStr string,
 		return ErrCacheFailed
 	}
 
-	cacher := session.engine.getCacher2(table)
+	cacher := session.engine.getCacher(tableName)
 	pkColumns := table.PKColumns()
 	ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
 	if err != nil {
@@ -79,7 +79,7 @@ func (session *Session) Delete(bean interface{}) (int64, error) {
 		defer session.Close()
 	}
 
-	if err := session.statement.setRefValue(rValue(bean)); err != nil {
+	if err := session.statement.setRefBean(bean); err != nil {
 		return 0, err
 	}
 
@@ -199,7 +199,7 @@ func (session *Session) Delete(bean interface{}) (int64, error) {
 		})
 	}
 
-	if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
+	if cacher := session.engine.getCacher(tableName); cacher != nil && session.statement.UseCache {
 		session.cacheDelete(table, tableNameNoQuote, deleteSQL, argsForCache...)
 	}
 

vendor/github.com/go-xorm/xorm/session_exist.go

@@ -10,6 +10,7 @@ import (
 	"reflect"
 
 	"github.com/go-xorm/builder"
+	"github.com/go-xorm/core"
 )
 
 // Exist returns true if the record exist otherwise return false
@@ -35,10 +36,18 @@ func (session *Session) Exist(bean ...interface{}) (bool, error) {
 					return false, err
 				}
 
-				sqlStr = fmt.Sprintf("SELECT * FROM %s WHERE %s LIMIT 1", tableName, condSQL)
+				if session.engine.dialect.DBType() == core.MSSQL {
+					sqlStr = fmt.Sprintf("SELECT top 1 * FROM %s WHERE %s", tableName, condSQL)
+				} else {
+					sqlStr = fmt.Sprintf("SELECT * FROM %s WHERE %s LIMIT 1", tableName, condSQL)
+				}
 				args = condArgs
 			} else {
-				sqlStr = fmt.Sprintf("SELECT * FROM %s LIMIT 1", tableName)
+				if session.engine.dialect.DBType() == core.MSSQL {
+					sqlStr = fmt.Sprintf("SELECT top 1 * FROM %s", tableName)
+				} else {
+					sqlStr = fmt.Sprintf("SELECT * FROM %s LIMIT 1", tableName)
+				}
 				args = []interface{}{}
 			}
 		} else {
@@ -48,7 +57,7 @@ func (session *Session) Exist(bean ...interface{}) (bool, error) {
 			}
 
 			if beanValue.Elem().Kind() == reflect.Struct {
-				if err := session.statement.setRefValue(beanValue.Elem()); err != nil {
+				if err := session.statement.setRefBean(bean[0]); err != nil {
 					return false, err
 				}
 			}

vendor/github.com/go-xorm/xorm/session_find.go

@@ -29,6 +29,39 @@ func (session *Session) Find(rowsSlicePtr interface{}, condiBean ...interface{})
 	return session.find(rowsSlicePtr, condiBean...)
 }
 
+// FindAndCount find the results and also return the counts
+func (session *Session) FindAndCount(rowsSlicePtr interface{}, condiBean ...interface{}) (int64, error) {
+	if session.isAutoClose {
+		defer session.Close()
+	}
+
+	session.autoResetStatement = false
+	err := session.find(rowsSlicePtr, condiBean...)
+	if err != nil {
+		return 0, err
+	}
+
+	sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
+	if sliceValue.Kind() != reflect.Slice && sliceValue.Kind() != reflect.Map {
+		return 0, errors.New("needs a pointer to a slice or a map")
+	}
+
+	sliceElementType := sliceValue.Type().Elem()
+	if sliceElementType.Kind() == reflect.Ptr {
+		sliceElementType = sliceElementType.Elem()
+	}
+	session.autoResetStatement = true
+
+	if session.statement.selectStr != "" {
+		session.statement.selectStr = ""
+	}
+	if session.statement.OrderStr != "" {
+		session.statement.OrderStr = ""
+	}
+
+	return session.Count(reflect.New(sliceElementType).Interface())
+}
+
 func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{}) error {
 	sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
 	if sliceValue.Kind() != reflect.Slice && sliceValue.Kind() != reflect.Map {
@@ -42,7 +75,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 		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 {
+				if err := session.statement.setRefValue(pv); err != nil {
 					return err
 				}
 			} else {
@@ -50,7 +83,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 			}
 		} else if sliceElementType.Kind() == reflect.Struct {
 			pv := reflect.New(sliceElementType)
-			if err := session.statement.setRefValue(pv.Elem()); err != nil {
+			if err := session.statement.setRefValue(pv); err != nil {
 				return err
 			}
 		} else {
@@ -102,7 +135,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 			if session.statement.JoinStr == "" {
 				if columnStr == "" {
 					if session.statement.GroupByStr != "" {
-						columnStr = session.statement.Engine.Quote(strings.Replace(session.statement.GroupByStr, ",", session.engine.Quote(","), -1))
+						columnStr = session.engine.quoteColumns(session.statement.GroupByStr)
 					} else {
 						columnStr = session.statement.genColumnStr()
 					}
@@ -110,7 +143,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 			} else {
 				if columnStr == "" {
 					if session.statement.GroupByStr != "" {
-						columnStr = session.statement.Engine.Quote(strings.Replace(session.statement.GroupByStr, ",", session.engine.Quote(","), -1))
+						columnStr = session.engine.quoteColumns(session.statement.GroupByStr)
 					} else {
 						columnStr = "*"
 					}
@@ -128,7 +161,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 		}
 
 		args = append(session.statement.joinArgs, condArgs...)
-		sqlStr, err = session.statement.genSelectSQL(columnStr, condSQL)
+		sqlStr, err = session.statement.genSelectSQL(columnStr, condSQL, true, true)
 		if err != nil {
 			return err
 		}
@@ -143,7 +176,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 	}
 
 	if session.canCache() {
-		if cacher := session.engine.getCacher2(table); cacher != nil &&
+		if cacher := session.engine.getCacher(table.Name); cacher != nil &&
 			!session.statement.IsDistinct &&
 			!session.statement.unscoped {
 			err = session.cacheFind(sliceElementType, sqlStr, rowsSlicePtr, args...)
@@ -288,6 +321,12 @@ func (session *Session) cacheFind(t reflect.Type, sqlStr string, rowsSlicePtr in
 		return ErrCacheFailed
 	}
 
+	tableName := session.statement.TableName()
+	cacher := session.engine.getCacher(tableName)
+	if cacher == nil {
+		return nil
+	}
+
 	for _, filter := range session.engine.dialect.Filters() {
 		sqlStr = filter.Do(sqlStr, session.engine.dialect, session.statement.RefTable)
 	}
@@ -297,9 +336,7 @@ func (session *Session) cacheFind(t reflect.Type, sqlStr string, rowsSlicePtr in
 		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...)

vendor/github.com/go-xorm/xorm/session_get.go

@@ -5,7 +5,9 @@
 package xorm
 
 import (
+	"database/sql"
 	"errors"
+	"fmt"
 	"reflect"
 	"strconv"
 
@@ -30,7 +32,7 @@ func (session *Session) get(bean interface{}) (bool, error) {
 	}
 
 	if beanValue.Elem().Kind() == reflect.Struct {
-		if err := session.statement.setRefValue(beanValue.Elem()); err != nil {
+		if err := session.statement.setRefBean(bean); err != nil {
 			return false, err
 		}
 	}
@@ -56,7 +58,7 @@ func (session *Session) get(bean interface{}) (bool, error) {
 	table := session.statement.RefTable
 
 	if session.canCache() && beanValue.Elem().Kind() == reflect.Struct {
-		if cacher := session.engine.getCacher2(table); cacher != nil &&
+		if cacher := session.engine.getCacher(table.Name); cacher != nil &&
 			!session.statement.unscoped {
 			has, err := session.cacheGet(bean, sqlStr, args...)
 			if err != ErrCacheFailed {
@@ -65,7 +67,28 @@ func (session *Session) get(bean interface{}) (bool, error) {
 		}
 	}
 
-	return session.nocacheGet(beanValue.Elem().Kind(), table, bean, sqlStr, args...)
+	context := session.statement.context
+	if context != nil {
+		res := context.Get(fmt.Sprintf("%v-%v", sqlStr, args))
+		if res != nil {
+			structValue := reflect.Indirect(reflect.ValueOf(bean))
+			structValue.Set(reflect.Indirect(reflect.ValueOf(res)))
+			session.lastSQL = ""
+			session.lastSQLArgs = nil
+			return true, nil
+		}
+	}
+
+	has, err := session.nocacheGet(beanValue.Elem().Kind(), table, bean, sqlStr, args...)
+	if err != nil || !has {
+		return has, err
+	}
+
+	if context != nil {
+		context.Put(fmt.Sprintf("%v-%v", sqlStr, args), bean)
+	}
+
+	return true, nil
 }
 
 func (session *Session) nocacheGet(beanKind reflect.Kind, table *core.Table, bean interface{}, sqlStr string, args ...interface{}) (bool, error) {
@@ -76,9 +99,19 @@ func (session *Session) nocacheGet(beanKind reflect.Kind, table *core.Table, bea
 	defer rows.Close()
 
 	if !rows.Next() {
+		if rows.Err() != nil {
+			return false, rows.Err()
+		}
 		return false, nil
 	}
 
+	switch bean.(type) {
+	case sql.NullInt64, sql.NullBool, sql.NullFloat64, sql.NullString:
+		return true, rows.Scan(&bean)
+	case *sql.NullInt64, *sql.NullBool, *sql.NullFloat64, *sql.NullString:
+		return true, rows.Scan(bean)
+	}
+
 	switch beanKind {
 	case reflect.Struct:
 		fields, err := rows.Columns()
@@ -126,8 +159,9 @@ func (session *Session) cacheGet(bean interface{}, sqlStr string, args ...interf
 		return false, ErrCacheFailed
 	}
 
-	cacher := session.engine.getCacher2(session.statement.RefTable)
 	tableName := session.statement.TableName()
+	cacher := session.engine.getCacher(tableName)
+
 	session.engine.logger.Debug("[cacheGet] find sql:", newsql, args)
 	table := session.statement.RefTable
 	ids, err := core.GetCacheSql(cacher, tableName, newsql, args)

vendor/github.com/go-xorm/xorm/session_insert.go

@@ -66,11 +66,12 @@ func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error
 		return 0, errors.New("could not insert a empty slice")
 	}
 
-	if err := session.statement.setRefValue(reflect.ValueOf(sliceValue.Index(0).Interface())); err != nil {
+	if err := session.statement.setRefBean(sliceValue.Index(0).Interface()); err != nil {
 		return 0, err
 	}
 
-	if len(session.statement.TableName()) <= 0 {
+	tableName := session.statement.TableName()
+	if len(tableName) <= 0 {
 		return 0, ErrTableNotFound
 	}
 
@@ -115,15 +116,11 @@ func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error
 				if col.IsDeleted {
 					continue
 				}
-				if session.statement.ColumnStr != "" {
+				if session.statement.omitColumnMap.contain(col.Name) {
-					if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
+					continue
-						continue
-					}
 				}
-				if session.statement.OmitStr != "" {
+				if len(session.statement.columnMap) > 0 && !session.statement.columnMap.contain(col.Name) {
-					if _, ok := getFlagForColumn(session.statement.columnMap, col); ok {
+					continue
-						continue
-					}
 				}
 				if (col.IsCreated || col.IsUpdated) && session.statement.UseAutoTime {
 					val, t := session.engine.nowTime(col)
@@ -170,15 +167,11 @@ func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error
 				if col.IsDeleted {
 					continue
 				}
-				if session.statement.ColumnStr != "" {
+				if session.statement.omitColumnMap.contain(col.Name) {
-					if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
+					continue
-						continue
-					}
 				}
-				if session.statement.OmitStr != "" {
+				if len(session.statement.columnMap) > 0 && !session.statement.columnMap.contain(col.Name) {
-					if _, ok := getFlagForColumn(session.statement.columnMap, col); ok {
+					continue
-						continue
-					}
 				}
 				if (col.IsCreated || col.IsUpdated) && session.statement.UseAutoTime {
 					val, t := session.engine.nowTime(col)
@@ -211,38 +204,33 @@ func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error
 	}
 	cleanupProcessorsClosures(&session.beforeClosures)
 
-	var sql = "INSERT INTO %s (%v%v%v) VALUES (%v)"
+	var sql string
-	var statement string
-	var tableName = session.statement.TableName()
 	if session.engine.dialect.DBType() == core.ORACLE {
-		sql = "INSERT ALL INTO %s (%v%v%v) VALUES (%v) SELECT 1 FROM DUAL"
 		temp := fmt.Sprintf(") INTO %s (%v%v%v) VALUES (",
 			session.engine.Quote(tableName),
 			session.engine.QuoteStr(),
 			strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
 			session.engine.QuoteStr())
-		statement = fmt.Sprintf(sql,
+		sql = fmt.Sprintf("INSERT ALL INTO %s (%v%v%v) VALUES (%v) SELECT 1 FROM DUAL",
 			session.engine.Quote(tableName),
 			session.engine.QuoteStr(),
 			strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
 			session.engine.QuoteStr(),
 			strings.Join(colMultiPlaces, temp))
 	} else {
-		statement = fmt.Sprintf(sql,
+		sql = fmt.Sprintf("INSERT INTO %s (%v%v%v) VALUES (%v)",
 			session.engine.Quote(tableName),
 			session.engine.QuoteStr(),
 			strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
 			session.engine.QuoteStr(),
 			strings.Join(colMultiPlaces, "),("))
 	}
-	res, err := session.exec(statement, args...)
+	res, err := session.exec(sql, args...)
 	if err != nil {
 		return 0, err
 	}
 
-	if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
+	session.cacheInsert(tableName)
-		session.cacheInsert(table, tableName)
-	}
 
 	lenAfterClosures := len(session.afterClosures)
 	for i := 0; i < size; i++ {
@@ -298,7 +286,7 @@ func (session *Session) InsertMulti(rowsSlicePtr interface{}) (int64, error) {
 }
 
 func (session *Session) innerInsert(bean interface{}) (int64, error) {
-	if err := session.statement.setRefValue(rValue(bean)); err != nil {
+	if err := session.statement.setRefBean(bean); err != nil {
 		return 0, err
 	}
 	if len(session.statement.TableName()) <= 0 {
@@ -316,8 +304,8 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 	if processor, ok := interface{}(bean).(BeforeInsertProcessor); ok {
 		processor.BeforeInsert()
 	}
-	// --
+
-	colNames, args, err := genCols(session.statement.RefTable, session, bean, false, false)
+	colNames, args, err := session.genInsertColumns(bean)
 	if err != nil {
 		return 0, err
 	}
@@ -400,11 +388,9 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 			return 0, err
 		}
 
-		handleAfterInsertProcessorFunc(bean)
+		defer handleAfterInsertProcessorFunc(bean)
 
-		if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
+		session.cacheInsert(tableName)
-			session.cacheInsert(table, tableName)
-		}
 
 		if table.Version != "" && session.statement.checkVersion {
 			verValue, err := table.VersionColumn().ValueOf(bean)
@@ -445,11 +431,9 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 		if err != nil {
 			return 0, err
 		}
-		handleAfterInsertProcessorFunc(bean)
+		defer handleAfterInsertProcessorFunc(bean)
 
-		if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
+		session.cacheInsert(tableName)
-			session.cacheInsert(table, tableName)
-		}
 
 		if table.Version != "" && session.statement.checkVersion {
 			verValue, err := table.VersionColumn().ValueOf(bean)
@@ -490,9 +474,7 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 
 		defer handleAfterInsertProcessorFunc(bean)
 
-		if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
+		session.cacheInsert(tableName)
-			session.cacheInsert(table, tableName)
-		}
 
 		if table.Version != "" && session.statement.checkVersion {
 			verValue, err := table.VersionColumn().ValueOf(bean)
@@ -539,16 +521,104 @@ func (session *Session) InsertOne(bean interface{}) (int64, error) {
 	return session.innerInsert(bean)
 }
 
-func (session *Session) cacheInsert(table *core.Table, tables ...string) error {
+func (session *Session) cacheInsert(table string) error {
-	if table == nil {
+	if !session.statement.UseCache {
-		return ErrCacheFailed
+		return nil
 	}
-
+	cacher := session.engine.getCacher(table)
-	cacher := session.engine.getCacher2(table)
+	if cacher == nil {
-	for _, t := range tables {
+		return nil
-		session.engine.logger.Debug("[cache] clear sql:", t)
-		cacher.ClearIds(t)
 	}
-
+	session.engine.logger.Debug("[cache] clear sql:", table)
+	cacher.ClearIds(table)
 	return nil
 }
+
+// genInsertColumns generates insert needed columns
+func (session *Session) genInsertColumns(bean interface{}) ([]string, []interface{}, error) {
+	table := session.statement.RefTable
+	colNames := make([]string, 0, len(table.ColumnsSeq()))
+	args := make([]interface{}, 0, len(table.ColumnsSeq()))
+
+	for _, col := range table.Columns() {
+		if col.MapType == core.ONLYFROMDB {
+			continue
+		}
+
+		if col.IsDeleted {
+			continue
+		}
+
+		if session.statement.omitColumnMap.contain(col.Name) {
+			continue
+		}
+
+		if len(session.statement.columnMap) > 0 && !session.statement.columnMap.contain(col.Name) {
+			continue
+		}
+
+		if _, ok := session.statement.incrColumns[col.Name]; ok {
+			continue
+		} else if _, ok := session.statement.decrColumns[col.Name]; ok {
+			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
+				}
+			}
+		}
+
+		// !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)
+		}
+
+		colNames = append(colNames, col.Name)
+	}
+	return colNames, args, nil
+}

vendor/github.com/go-xorm/xorm/session_query.go

@@ -8,17 +8,86 @@ import (
 	"fmt"
 	"reflect"
 	"strconv"
+	"strings"
 	"time"
 
+	"github.com/go-xorm/builder"
 	"github.com/go-xorm/core"
 )
 
+func (session *Session) genQuerySQL(sqlorArgs ...interface{}) (string, []interface{}, error) {
+	if len(sqlorArgs) > 0 {
+		return convertSQLOrArgs(sqlorArgs...)
+	}
+
+	if session.statement.RawSQL != "" {
+		return session.statement.RawSQL, session.statement.RawParams, nil
+	}
+
+	if len(session.statement.TableName()) <= 0 {
+		return "", nil, 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.engine.quoteColumns(session.statement.GroupByStr)
+				} else {
+					columnStr = session.statement.genColumnStr()
+				}
+			}
+		} else {
+			if columnStr == "" {
+				if session.statement.GroupByStr != "" {
+					columnStr = session.engine.quoteColumns(session.statement.GroupByStr)
+				} else {
+					columnStr = "*"
+				}
+			}
+		}
+		if columnStr == "" {
+			columnStr = "*"
+		}
+	}
+
+	if err := session.statement.processIDParam(); err != nil {
+		return "", nil, err
+	}
+
+	condSQL, condArgs, err := builder.ToSQL(session.statement.cond)
+	if err != nil {
+		return "", nil, err
+	}
+
+	args := append(session.statement.joinArgs, condArgs...)
+	sqlStr, err := session.statement.genSelectSQL(columnStr, condSQL, true, true)
+	if err != nil {
+		return "", nil, err
+	}
+	// for mssql and use limit
+	qs := strings.Count(sqlStr, "?")
+	if len(args)*2 == qs {
+		args = append(args, args...)
+	}
+
+	return sqlStr, args, nil
+}
+
 // Query runs a raw sql and return records as []map[string][]byte
-func (session *Session) Query(sqlStr string, args ...interface{}) ([]map[string][]byte, error) {
+func (session *Session) Query(sqlorArgs ...interface{}) ([]map[string][]byte, error) {
 	if session.isAutoClose {
 		defer session.Close()
 	}
 
+	sqlStr, args, err := session.genQuerySQL(sqlorArgs...)
+	if err != nil {
+		return nil, err
+	}
+
 	return session.queryBytes(sqlStr, args...)
 }
 
@@ -97,6 +166,34 @@ func row2mapStr(rows *core.Rows, fields []string) (resultsMap map[string]string,
 	return result, nil
 }
 
+func row2sliceStr(rows *core.Rows, fields []string) (results []string, err error) {
+	result := make([]string, 0, len(fields))
+	scanResultContainers := make([]interface{}, len(fields))
+	for i := 0; i < len(fields); i++ {
+		var scanResultContainer interface{}
+		scanResultContainers[i] = &scanResultContainer
+	}
+	if err := rows.Scan(scanResultContainers...); err != nil {
+		return nil, err
+	}
+
+	for i := 0; i < len(fields); i++ {
+		rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[i]))
+		// if row is null then as empty string
+		if rawValue.Interface() == nil {
+			result = append(result, "")
+			continue
+		}
+
+		if data, err := value2String(&rawValue); err == nil {
+			result = append(result, data)
+		} else {
+			return nil, err
+		}
+	}
+	return result, nil
+}
+
 func rows2Strings(rows *core.Rows) (resultsSlice []map[string]string, err error) {
 	fields, err := rows.Columns()
 	if err != nil {
@@ -113,12 +210,33 @@ func rows2Strings(rows *core.Rows) (resultsSlice []map[string]string, err error)
 	return resultsSlice, nil
 }
 
+func rows2SliceString(rows *core.Rows) (resultsSlice [][]string, err error) {
+	fields, err := rows.Columns()
+	if err != nil {
+		return nil, err
+	}
+	for rows.Next() {
+		record, err := row2sliceStr(rows, fields)
+		if err != nil {
+			return nil, err
+		}
+		resultsSlice = append(resultsSlice, record)
+	}
+
+	return resultsSlice, nil
+}
+
 // QueryString runs a raw sql and return records as []map[string]string
-func (session *Session) QueryString(sqlStr string, args ...interface{}) ([]map[string]string, error) {
+func (session *Session) QueryString(sqlorArgs ...interface{}) ([]map[string]string, error) {
 	if session.isAutoClose {
 		defer session.Close()
 	}
 
+	sqlStr, args, err := session.genQuerySQL(sqlorArgs...)
+	if err != nil {
+		return nil, err
+	}
+
 	rows, err := session.queryRows(sqlStr, args...)
 	if err != nil {
 		return nil, err
@@ -128,6 +246,26 @@ func (session *Session) QueryString(sqlStr string, args ...interface{}) ([]map[s
 	return rows2Strings(rows)
 }
 
+// QuerySliceString runs a raw sql and return records as [][]string
+func (session *Session) QuerySliceString(sqlorArgs ...interface{}) ([][]string, error) {
+	if session.isAutoClose {
+		defer session.Close()
+	}
+
+	sqlStr, args, err := session.genQuerySQL(sqlorArgs...)
+	if err != nil {
+		return nil, err
+	}
+
+	rows, err := session.queryRows(sqlStr, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	return rows2SliceString(rows)
+}
+
 func row2mapInterface(rows *core.Rows, fields []string) (resultsMap map[string]interface{}, err error) {
 	resultsMap = make(map[string]interface{}, len(fields))
 	scanResultContainers := make([]interface{}, len(fields))
@@ -162,11 +300,16 @@ func rows2Interfaces(rows *core.Rows) (resultsSlice []map[string]interface{}, er
 }
 
 // QueryInterface runs a raw sql and return records as []map[string]interface{}
-func (session *Session) QueryInterface(sqlStr string, args ...interface{}) ([]map[string]interface{}, error) {
+func (session *Session) QueryInterface(sqlorArgs ...interface{}) ([]map[string]interface{}, error) {
 	if session.isAutoClose {
 		defer session.Close()
 	}
 
+	sqlStr, args, err := session.genQuerySQL(sqlorArgs...)
+	if err != nil {
+		return nil, err
+	}
+
 	rows, err := session.queryRows(sqlStr, args...)
 	if err != nil {
 		return nil, err

vendor/github.com/go-xorm/xorm/session_raw.go

@@ -9,6 +9,7 @@ import (
 	"reflect"
 	"time"
 
+	"github.com/go-xorm/builder"
 	"github.com/go-xorm/core"
 )
 
@@ -47,9 +48,16 @@ func (session *Session) queryRows(sqlStr string, args ...interface{}) (*core.Row
 	}
 
 	if session.isAutoCommit {
+		var db *core.DB
+		if session.engine.engineGroup != nil {
+			db = session.engine.engineGroup.Slave().DB()
+		} else {
+			db = session.DB()
+		}
+
 		if session.prepareStmt {
 			// don't clear stmt since session will cache them
-			stmt, err := session.doPrepare(sqlStr)
+			stmt, err := session.doPrepare(db, sqlStr)
 			if err != nil {
 				return nil, err
 			}
@@ -61,7 +69,7 @@ func (session *Session) queryRows(sqlStr string, args ...interface{}) (*core.Row
 			return rows, nil
 		}
 
-		rows, err := session.DB().Query(sqlStr, args...)
+		rows, err := db.Query(sqlStr, args...)
 		if err != nil {
 			return nil, err
 		}
@@ -171,7 +179,7 @@ func (session *Session) exec(sqlStr string, args ...interface{}) (sql.Result, er
 	}
 
 	if session.prepareStmt {
-		stmt, err := session.doPrepare(sqlStr)
+		stmt, err := session.doPrepare(session.DB(), sqlStr)
 		if err != nil {
 			return nil, err
 		}
@@ -186,11 +194,34 @@ func (session *Session) exec(sqlStr string, args ...interface{}) (sql.Result, er
 	return session.DB().Exec(sqlStr, args...)
 }
 
+func convertSQLOrArgs(sqlorArgs ...interface{}) (string, []interface{}, error) {
+	switch sqlorArgs[0].(type) {
+	case string:
+		return sqlorArgs[0].(string), sqlorArgs[1:], nil
+	case *builder.Builder:
+		return sqlorArgs[0].(*builder.Builder).ToSQL()
+	case builder.Builder:
+		bd := sqlorArgs[0].(builder.Builder)
+		return bd.ToSQL()
+	}
+
+	return "", nil, ErrUnSupportedType
+}
+
 // Exec raw sql
-func (session *Session) Exec(sqlStr string, args ...interface{}) (sql.Result, error) {
+func (session *Session) Exec(sqlorArgs ...interface{}) (sql.Result, error) {
 	if session.isAutoClose {
 		defer session.Close()
 	}
 
+	if len(sqlorArgs) == 0 {
+		return nil, ErrUnSupportedType
+	}
+
+	sqlStr, args, err := convertSQLOrArgs(sqlorArgs...)
+	if err != nil {
+		return nil, err
+	}
+
 	return session.exec(sqlStr, args...)
 }

vendor/github.com/go-xorm/xorm/session_schema.go

@@ -6,9 +6,7 @@ package xorm
 
 import (
 	"database/sql"
-	"errors"
 	"fmt"
-	"reflect"
 	"strings"
 
 	"github.com/go-xorm/core"
@@ -34,8 +32,7 @@ func (session *Session) CreateTable(bean interface{}) error {
 }
 
 func (session *Session) createTable(bean interface{}) error {
-	v := rValue(bean)
+	if err := session.statement.setRefBean(bean); err != nil {
-	if err := session.statement.setRefValue(v); err != nil {
 		return err
 	}
 
@@ -54,8 +51,7 @@ func (session *Session) CreateIndexes(bean interface{}) error {
 }
 
 func (session *Session) createIndexes(bean interface{}) error {
-	v := rValue(bean)
+	if err := session.statement.setRefBean(bean); err != nil {
-	if err := session.statement.setRefValue(v); err != nil {
 		return err
 	}
 
@@ -78,8 +74,7 @@ func (session *Session) CreateUniques(bean interface{}) error {
 }
 
 func (session *Session) createUniques(bean interface{}) error {
-	v := rValue(bean)
+	if err := session.statement.setRefBean(bean); err != nil {
-	if err := session.statement.setRefValue(v); err != nil {
 		return err
 	}
 
@@ -103,8 +98,7 @@ func (session *Session) DropIndexes(bean interface{}) error {
 }
 
 func (session *Session) dropIndexes(bean interface{}) error {
-	v := rValue(bean)
+	if err := session.statement.setRefBean(bean); err != nil {
-	if err := session.statement.setRefValue(v); err != nil {
 		return err
 	}
 
@@ -128,11 +122,7 @@ func (session *Session) DropTable(beanOrTableName interface{}) error {
 }
 
 func (session *Session) dropTable(beanOrTableName interface{}) error {
-	tableName, err := session.engine.tableName(beanOrTableName)
+	tableName := session.engine.TableName(beanOrTableName)
-	if err != nil {
-		return err
-	}
-
 	var needDrop = true
 	if !session.engine.dialect.SupportDropIfExists() {
 		sqlStr, args := session.engine.dialect.TableCheckSql(tableName)
@@ -144,8 +134,8 @@ func (session *Session) dropTable(beanOrTableName interface{}) error {
 	}
 
 	if needDrop {
-		sqlStr := session.engine.Dialect().DropTableSql(tableName)
+		sqlStr := session.engine.Dialect().DropTableSql(session.engine.TableName(tableName, true))
-		_, err = session.exec(sqlStr)
+		_, err := session.exec(sqlStr)
 		return err
 	}
 	return nil
@@ -157,10 +147,7 @@ func (session *Session) IsTableExist(beanOrTableName interface{}) (bool, error)
 		defer session.Close()
 	}
 
-	tableName, err := session.engine.tableName(beanOrTableName)
+	tableName := session.engine.TableName(beanOrTableName)
-	if err != nil {
-		return false, err
-	}
 
 	return session.isTableExist(tableName)
 }
@@ -173,24 +160,15 @@ func (session *Session) isTableExist(tableName string) (bool, error) {
 
 // IsTableEmpty if table have any records
 func (session *Session) IsTableEmpty(bean interface{}) (bool, error) {
-	v := rValue(bean)
+	if session.isAutoClose {
-	t := v.Type()
+		defer session.Close()
-
-	if t.Kind() == reflect.String {
-		if session.isAutoClose {
-			defer session.Close()
-		}
-		return session.isTableEmpty(bean.(string))
-	} else if t.Kind() == reflect.Struct {
-		rows, err := session.Count(bean)
-		return rows == 0, err
 	}
-	return false, errors.New("bean should be a struct or struct's point")
+	return session.isTableEmpty(session.engine.TableName(bean))
 }
 
 func (session *Session) isTableEmpty(tableName string) (bool, error) {
 	var total int64
-	sqlStr := fmt.Sprintf("select count(*) from %s", session.engine.Quote(tableName))
+	sqlStr := fmt.Sprintf("select count(*) from %s", session.engine.Quote(session.engine.TableName(tableName, true)))
 	err := session.queryRow(sqlStr).Scan(&total)
 	if err != nil {
 		if err == sql.ErrNoRows {
@@ -255,6 +233,12 @@ func (session *Session) Sync2(beans ...interface{}) error {
 		return err
 	}
 
+	session.autoResetStatement = false
+	defer func() {
+		session.autoResetStatement = true
+		session.resetStatement()
+	}()
+
 	var structTables []*core.Table
 
 	for _, bean := range beans {
@@ -264,7 +248,8 @@ func (session *Session) Sync2(beans ...interface{}) error {
 			return err
 		}
 		structTables = append(structTables, table)
-		var tbName = session.tbNameNoSchema(table)
+		tbName := engine.TableName(bean)
+		tbNameWithSchema := engine.TableName(tbName, true)
 
 		var oriTable *core.Table
 		for _, tb := range tables {
@@ -309,32 +294,32 @@ func (session *Session) Sync2(beans ...interface{}) error {
 							if engine.dialect.DBType() == core.MYSQL ||
 								engine.dialect.DBType() == core.POSTGRES {
 								engine.logger.Infof("Table %s column %s change type from %s to %s\n",
-									tbName, col.Name, curType, expectedType)
+									tbNameWithSchema, col.Name, curType, expectedType)
-								_, err = session.exec(engine.dialect.ModifyColumnSql(table.Name, col))
+								_, err = session.exec(engine.dialect.ModifyColumnSql(tbNameWithSchema, col))
 							} else {
 								engine.logger.Warnf("Table %s column %s db type is %s, struct type is %s\n",
-									tbName, col.Name, curType, expectedType)
+									tbNameWithSchema, col.Name, curType, expectedType)
 							}
 						} else if strings.HasPrefix(curType, core.Varchar) && strings.HasPrefix(expectedType, core.Varchar) {
 							if engine.dialect.DBType() == core.MYSQL {
 								if oriCol.Length < col.Length {
 									engine.logger.Infof("Table %s column %s change type from varchar(%d) to varchar(%d)\n",
-										tbName, col.Name, oriCol.Length, col.Length)
+										tbNameWithSchema, col.Name, oriCol.Length, col.Length)
-									_, err = session.exec(engine.dialect.ModifyColumnSql(table.Name, col))
+									_, err = session.exec(engine.dialect.ModifyColumnSql(tbNameWithSchema, col))
 								}
 							}
 						} else {
 							if !(strings.HasPrefix(curType, expectedType) && curType[len(expectedType)] == '(') {
 								engine.logger.Warnf("Table %s column %s db type is %s, struct type is %s",
-									tbName, col.Name, curType, expectedType)
+									tbNameWithSchema, col.Name, curType, expectedType)
 							}
 						}
 					} else if expectedType == core.Varchar {
 						if engine.dialect.DBType() == core.MYSQL {
 							if oriCol.Length < col.Length {
 								engine.logger.Infof("Table %s column %s change type from varchar(%d) to varchar(%d)\n",
-									tbName, col.Name, oriCol.Length, col.Length)
+									tbNameWithSchema, col.Name, oriCol.Length, col.Length)
-								_, err = session.exec(engine.dialect.ModifyColumnSql(table.Name, col))
+								_, err = session.exec(engine.dialect.ModifyColumnSql(tbNameWithSchema, col))
 							}
 						}
 					}
@@ -348,7 +333,7 @@ func (session *Session) Sync2(beans ...interface{}) error {
 					}
 				} else {
 					session.statement.RefTable = table
-					session.statement.tableName = tbName
+					session.statement.tableName = tbNameWithSchema
 					err = session.addColumn(col.Name)
 				}
 				if err != nil {
@@ -371,7 +356,7 @@ func (session *Session) Sync2(beans ...interface{}) error {
 
 				if oriIndex != nil {
 					if oriIndex.Type != index.Type {
-						sql := engine.dialect.DropIndexSql(tbName, oriIndex)
+						sql := engine.dialect.DropIndexSql(tbNameWithSchema, oriIndex)
 						_, err = session.exec(sql)
 						if err != nil {
 							return err
@@ -387,7 +372,7 @@ func (session *Session) Sync2(beans ...interface{}) error {
 
 			for name2, index2 := range oriTable.Indexes {
 				if _, ok := foundIndexNames[name2]; !ok {
-					sql := engine.dialect.DropIndexSql(tbName, index2)
+					sql := engine.dialect.DropIndexSql(tbNameWithSchema, index2)
 					_, err = session.exec(sql)
 					if err != nil {
 						return err
@@ -398,12 +383,12 @@ func (session *Session) Sync2(beans ...interface{}) error {
 			for name, index := range addedNames {
 				if index.Type == core.UniqueType {
 					session.statement.RefTable = table
-					session.statement.tableName = tbName
+					session.statement.tableName = tbNameWithSchema
-					err = session.addUnique(tbName, name)
+					err = session.addUnique(tbNameWithSchema, name)
 				} else if index.Type == core.IndexType {
 					session.statement.RefTable = table
-					session.statement.tableName = tbName
+					session.statement.tableName = tbNameWithSchema
-					err = session.addIndex(tbName, name)
+					err = session.addIndex(tbNameWithSchema, name)
 				}
 				if err != nil {
 					return err
@@ -428,7 +413,7 @@ func (session *Session) Sync2(beans ...interface{}) error {
 
 		for _, colName := range table.ColumnsSeq() {
 			if oriTable.GetColumn(colName) == nil {
-				engine.logger.Warnf("Table %s has column %s but struct has not related field", table.Name, colName)
+				engine.logger.Warnf("Table %s has column %s but struct has not related field", engine.TableName(table.Name, true), colName)
 			}
 		}
 	}

vendor/github.com/go-xorm/xorm/session_tx.go

@@ -24,6 +24,7 @@ func (session *Session) Rollback() error {
 	if !session.isAutoCommit && !session.isCommitedOrRollbacked {
 		session.saveLastSQL(session.engine.dialect.RollBackStr())
 		session.isCommitedOrRollbacked = true
+		session.isAutoCommit = true
 		return session.tx.Rollback()
 	}
 	return nil
@@ -34,6 +35,7 @@ func (session *Session) Commit() error {
 	if !session.isAutoCommit && !session.isCommitedOrRollbacked {
 		session.saveLastSQL("COMMIT")
 		session.isCommitedOrRollbacked = true
+		session.isAutoCommit = true
 		var err error
 		if err = session.tx.Commit(); err == nil {
 			// handle processors after tx committed

vendor/github.com/go-xorm/xorm/session_update.go

@@ -40,7 +40,7 @@ func (session *Session) cacheUpdate(table *core.Table, tableName, sqlStr string,
 		}
 	}
 
-	cacher := session.engine.getCacher2(table)
+	cacher := session.engine.getCacher(tableName)
 	session.engine.logger.Debug("[cacheUpdate] get cache sql", newsql, args[nStart:])
 	ids, err := core.GetCacheSql(cacher, tableName, newsql, args[nStart:])
 	if err != nil {
@@ -167,7 +167,7 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 	var isMap = t.Kind() == reflect.Map
 	var isStruct = t.Kind() == reflect.Struct
 	if isStruct {
-		if err := session.statement.setRefValue(v); err != nil {
+		if err := session.statement.setRefBean(bean); err != nil {
 			return 0, err
 		}
 
@@ -176,12 +176,10 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 		}
 
 		if session.statement.ColumnStr == "" {
-			colNames, args = buildUpdates(session.engine, session.statement.RefTable, bean, false, false,
+			colNames, args = session.statement.buildUpdates(bean, false, false,
-				false, false, session.statement.allUseBool, session.statement.useAllCols,
+				false, false, true)
-				session.statement.mustColumnMap, session.statement.nullableMap,
-				session.statement.columnMap, true, session.statement.unscoped)
 		} else {
-			colNames, args, err = genCols(session.statement.RefTable, session, bean, true, true)
+			colNames, args, err = session.genUpdateColumns(bean)
 			if err != nil {
 				return 0, err
 			}
@@ -202,7 +200,8 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 	table := session.statement.RefTable
 
 	if session.statement.UseAutoTime && table != nil && table.Updated != "" {
-		if _, ok := session.statement.columnMap[strings.ToLower(table.Updated)]; !ok {
+		if !session.statement.columnMap.contain(table.Updated) &&
+			!session.statement.omitColumnMap.contain(table.Updated) {
 			colNames = append(colNames, session.engine.Quote(table.Updated)+" = ?")
 			col := table.UpdatedColumn()
 			val, t := session.engine.nowTime(col)
@@ -242,10 +241,23 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 
 	var autoCond builder.Cond
 	if !session.statement.noAutoCondition && len(condiBean) > 0 {
-		var err error
+		if c, ok := condiBean[0].(map[string]interface{}); ok {
-		autoCond, err = session.statement.buildConds(session.statement.RefTable, condiBean[0], true, true, false, true, false)
+			autoCond = builder.Eq(c)
-		if err != nil {
+		} else {
-			return 0, err
+			ct := reflect.TypeOf(condiBean[0])
+			k := ct.Kind()
+			if k == reflect.Ptr {
+				k = ct.Elem().Kind()
+			}
+			if k == reflect.Struct {
+				var err error
+				autoCond, err = session.statement.buildConds(session.statement.RefTable, condiBean[0], true, true, false, true, false)
+				if err != nil {
+					return 0, err
+				}
+			} else {
+				return 0, ErrConditionType
+			}
 		}
 	}
 
@@ -349,12 +361,11 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 		}
 	}
 
-	if table != nil {
+	if cacher := session.engine.getCacher(tableName); cacher != nil && session.statement.UseCache {
-		if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
+		//session.cacheUpdate(table, tableName, sqlStr, args...)
-			//session.cacheUpdate(table, tableName, sqlStr, args...)
+		session.engine.logger.Debug("[cacheUpdate] clear table ", tableName)
-			cacher.ClearIds(tableName)
+		cacher.ClearIds(tableName)
-			cacher.ClearBeans(tableName)
+		cacher.ClearBeans(tableName)
-		}
 	}
 
 	// handle after update processors
@@ -389,3 +400,92 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 
 	return res.RowsAffected()
 }
+
+func (session *Session) genUpdateColumns(bean interface{}) ([]string, []interface{}, error) {
+	table := session.statement.RefTable
+	colNames := make([]string, 0, len(table.ColumnsSeq()))
+	args := make([]interface{}, 0, len(table.ColumnsSeq()))
+
+	for _, col := range table.Columns() {
+		if !col.IsVersion && !col.IsCreated && !col.IsUpdated {
+			if session.statement.omitColumnMap.contain(col.Name) {
+				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 && !session.statement.unscoped) || col.IsCreated {
+			continue
+		}
+
+		if len(session.statement.columnMap) > 0 {
+			if !session.statement.columnMap.contain(col.Name) {
+				continue
+			} else if _, ok := session.statement.incrColumns[col.Name]; ok {
+				continue
+			} else if _, ok := session.statement.decrColumns[col.Name]; 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.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)
+		}
+
+		colNames = append(colNames, session.engine.Quote(col.Name)+" = ?")
+	}
+	return colNames, args, nil
+}

vendor/github.com/go-xorm/xorm/statement.go

@@ -5,7 +5,6 @@
 package xorm
 
 import (
-	"bytes"
 	"database/sql/driver"
 	"encoding/json"
 	"errors"
@@ -18,21 +17,6 @@ import (
 	"github.com/go-xorm/core"
 )
 
-type incrParam struct {
-	colName string
-	arg     interface{}
-}
-
-type decrParam struct {
-	colName string
-	arg     interface{}
-}
-
-type exprParam struct {
-	colName string
-	expr    string
-}
-
 // Statement save all the sql info for executing SQL
 type Statement struct {
 	RefTable        *core.Table
@@ -47,7 +31,6 @@ type Statement struct {
 	HavingStr       string
 	ColumnStr       string
 	selectStr       string
-	columnMap       map[string]bool
 	useAllCols      bool
 	OmitStr         string
 	AltTableName    string
@@ -67,6 +50,8 @@ type Statement struct {
 	allUseBool      bool
 	checkVersion    bool
 	unscoped        bool
+	columnMap       columnMap
+	omitColumnMap   columnMap
 	mustColumnMap   map[string]bool
 	nullableMap     map[string]bool
 	incrColumns     map[string]incrParam
@@ -74,6 +59,7 @@ type Statement struct {
 	exprColumns     map[string]exprParam
 	cond            builder.Cond
 	bufferSize      int
+	context         ContextCache
 }
 
 // Init reset all the statement's fields
@@ -89,7 +75,8 @@ func (statement *Statement) Init() {
 	statement.HavingStr = ""
 	statement.ColumnStr = ""
 	statement.OmitStr = ""
-	statement.columnMap = make(map[string]bool)
+	statement.columnMap = columnMap{}
+	statement.omitColumnMap = columnMap{}
 	statement.AltTableName = ""
 	statement.tableName = ""
 	statement.idParam = nil
@@ -113,6 +100,7 @@ func (statement *Statement) Init() {
 	statement.exprColumns = make(map[string]exprParam)
 	statement.cond = builder.NewCond()
 	statement.bufferSize = 0
+	statement.context = nil
 }
 
 // NoAutoCondition if you do not want convert bean's field as query condition, then use this function
@@ -160,6 +148,9 @@ func (statement *Statement) And(query interface{}, args ...interface{}) *Stateme
 	case string:
 		cond := builder.Expr(query.(string), args...)
 		statement.cond = statement.cond.And(cond)
+	case map[string]interface{}:
+		cond := builder.Eq(query.(map[string]interface{}))
+		statement.cond = statement.cond.And(cond)
 	case builder.Cond:
 		cond := query.(builder.Cond)
 		statement.cond = statement.cond.And(cond)
@@ -181,6 +172,9 @@ func (statement *Statement) Or(query interface{}, args ...interface{}) *Statemen
 	case string:
 		cond := builder.Expr(query.(string), args...)
 		statement.cond = statement.cond.Or(cond)
+	case map[string]interface{}:
+		cond := builder.Eq(query.(map[string]interface{}))
+		statement.cond = statement.cond.Or(cond)
 	case builder.Cond:
 		cond := query.(builder.Cond)
 		statement.cond = statement.cond.Or(cond)
@@ -215,34 +209,33 @@ func (statement *Statement) setRefValue(v reflect.Value) error {
 	if err != nil {
 		return err
 	}
-	statement.tableName = statement.Engine.tbName(v)
+	statement.tableName = statement.Engine.TableName(v, true)
 	return nil
 }
 
-// Table tempororily set table name, the parameter could be a string or a pointer of struct
+func (statement *Statement) setRefBean(bean interface{}) error {
-func (statement *Statement) Table(tableNameOrBean interface{}) *Statement {
+	var err error
-	v := rValue(tableNameOrBean)
+	statement.RefTable, err = statement.Engine.autoMapType(rValue(bean))
-	t := v.Type()
+	if err != nil {
-	if t.Kind() == reflect.String {
+		return err
-		statement.AltTableName = tableNameOrBean.(string)
-	} else if t.Kind() == reflect.Struct {
-		var err error
-		statement.RefTable, err = statement.Engine.autoMapType(v)
-		if err != nil {
-			statement.Engine.logger.Error(err)
-			return statement
-		}
-		statement.AltTableName = statement.Engine.tbName(v)
 	}
-	return statement
+	statement.tableName = statement.Engine.TableName(bean, true)
+	return nil
 }
 
 // Auto generating update columnes and values according a struct
-func buildUpdates(engine *Engine, table *core.Table, bean interface{},
+func (statement *Statement) buildUpdates(bean interface{},
-	includeVersion bool, includeUpdated bool, includeNil bool,
+	includeVersion, includeUpdated, includeNil,
-	includeAutoIncr bool, allUseBool bool, useAllCols bool,
+	includeAutoIncr, update bool) ([]string, []interface{}) {
-	mustColumnMap map[string]bool, nullableMap map[string]bool,
+	engine := statement.Engine
-	columnMap map[string]bool, update, unscoped bool) ([]string, []interface{}) {
+	table := statement.RefTable
+	allUseBool := statement.allUseBool
+	useAllCols := statement.useAllCols
+	mustColumnMap := statement.mustColumnMap
+	nullableMap := statement.nullableMap
+	columnMap := statement.columnMap
+	omitColumnMap := statement.omitColumnMap
+	unscoped := statement.unscoped
 
 	var colNames = make([]string, 0)
 	var args = make([]interface{}, 0)
@@ -262,7 +255,14 @@ func buildUpdates(engine *Engine, table *core.Table, bean interface{},
 		if col.IsDeleted && !unscoped {
 			continue
 		}
-		if use, ok := columnMap[strings.ToLower(col.Name)]; ok && !use {
+		if omitColumnMap.contain(col.Name) {
+			continue
+		}
+		if len(columnMap) > 0 && !columnMap.contain(col.Name) {
+			continue
+		}
+
+		if col.MapType == core.ONLYFROMDB {
 			continue
 		}
 
@@ -598,17 +598,10 @@ func (statement *Statement) col2NewColsWithQuote(columns ...string) []string {
 }
 
 func (statement *Statement) colmap2NewColsWithQuote() []string {
-	newColumns := make([]string, 0, len(statement.columnMap))
+	newColumns := make([]string, len(statement.columnMap), len(statement.columnMap))
-	for col := range statement.columnMap {
+	copy(newColumns, statement.columnMap)
-		fields := strings.Split(strings.TrimSpace(col), ".")
+	for i := 0; i < len(statement.columnMap); i++ {
-		if len(fields) == 1 {
+		newColumns[i] = statement.Engine.Quote(newColumns[i])
-			newColumns = append(newColumns, statement.Engine.quote(fields[0]))
-		} else if len(fields) == 2 {
-			newColumns = append(newColumns, statement.Engine.quote(fields[0])+"."+
-				statement.Engine.quote(fields[1]))
-		} else {
-			panic(errors.New("unwanted colnames"))
-		}
 	}
 	return newColumns
 }
@@ -636,10 +629,11 @@ func (statement *Statement) Select(str string) *Statement {
 func (statement *Statement) Cols(columns ...string) *Statement {
 	cols := col2NewCols(columns...)
 	for _, nc := range cols {
-		statement.columnMap[strings.ToLower(nc)] = true
+		statement.columnMap.add(nc)
 	}
 
 	newColumns := statement.colmap2NewColsWithQuote()
+
 	statement.ColumnStr = strings.Join(newColumns, ", ")
 	statement.ColumnStr = strings.Replace(statement.ColumnStr, statement.Engine.quote("*"), "*", -1)
 	return statement
@@ -674,7 +668,7 @@ func (statement *Statement) UseBool(columns ...string) *Statement {
 func (statement *Statement) Omit(columns ...string) {
 	newColumns := col2NewCols(columns...)
 	for _, nc := range newColumns {
-		statement.columnMap[strings.ToLower(nc)] = false
+		statement.omitColumnMap = append(statement.omitColumnMap, nc)
 	}
 	statement.OmitStr = statement.Engine.Quote(strings.Join(newColumns, statement.Engine.Quote(", ")))
 }
@@ -713,10 +707,9 @@ func (statement *Statement) OrderBy(order string) *Statement {
 
 // Desc generate `ORDER BY xx DESC`
 func (statement *Statement) Desc(colNames ...string) *Statement {
-	var buf bytes.Buffer
+	var buf builder.StringBuilder
-	fmt.Fprintf(&buf, statement.OrderStr)
 	if len(statement.OrderStr) > 0 {
-		fmt.Fprint(&buf, ", ")
+		fmt.Fprint(&buf, statement.OrderStr, ", ")
 	}
 	newColNames := statement.col2NewColsWithQuote(colNames...)
 	fmt.Fprintf(&buf, "%v DESC", strings.Join(newColNames, " DESC, "))
@@ -726,10 +719,9 @@ func (statement *Statement) Desc(colNames ...string) *Statement {
 
 // Asc provide asc order by query condition, the input parameters are columns.
 func (statement *Statement) Asc(colNames ...string) *Statement {
-	var buf bytes.Buffer
+	var buf builder.StringBuilder
-	fmt.Fprintf(&buf, statement.OrderStr)
 	if len(statement.OrderStr) > 0 {
-		fmt.Fprint(&buf, ", ")
+		fmt.Fprint(&buf, statement.OrderStr, ", ")
 	}
 	newColNames := statement.col2NewColsWithQuote(colNames...)
 	fmt.Fprintf(&buf, "%v ASC", strings.Join(newColNames, " ASC, "))
@@ -737,48 +729,35 @@ func (statement *Statement) Asc(colNames ...string) *Statement {
 	return statement
 }
 
+// Table tempororily set table name, the parameter could be a string or a pointer of struct
+func (statement *Statement) Table(tableNameOrBean interface{}) *Statement {
+	v := rValue(tableNameOrBean)
+	t := v.Type()
+	if t.Kind() == reflect.Struct {
+		var err error
+		statement.RefTable, err = statement.Engine.autoMapType(v)
+		if err != nil {
+			statement.Engine.logger.Error(err)
+			return statement
+		}
+	}
+
+	statement.AltTableName = statement.Engine.TableName(tableNameOrBean, true)
+	return statement
+}
+
 // Join The joinOP should be one of INNER, LEFT OUTER, CROSS etc - this will be prepended to JOIN
 func (statement *Statement) Join(joinOP string, tablename interface{}, condition string, args ...interface{}) *Statement {
-	var buf bytes.Buffer
+	var buf builder.StringBuilder
 	if len(statement.JoinStr) > 0 {
 		fmt.Fprintf(&buf, "%v %v JOIN ", statement.JoinStr, joinOP)
 	} else {
 		fmt.Fprintf(&buf, "%v JOIN ", joinOP)
 	}
 
-	switch tablename.(type) {
+	tbName := statement.Engine.TableName(tablename, true)
-	case []string:
-		t := tablename.([]string)
-		if len(t) > 1 {
-			fmt.Fprintf(&buf, "%v AS %v", statement.Engine.Quote(t[0]), statement.Engine.Quote(t[1]))
-		} else if len(t) == 1 {
-			fmt.Fprintf(&buf, statement.Engine.Quote(t[0]))
-		}
-	case []interface{}:
-		t := tablename.([]interface{})
-		l := len(t)
-		var table string
-		if l > 0 {
-			f := t[0]
-			v := rValue(f)
-			t := v.Type()
-			if t.Kind() == reflect.String {
-				table = f.(string)
-			} else if t.Kind() == reflect.Struct {
-				table = statement.Engine.tbName(v)
-			}
-		}
-		if l > 1 {
-			fmt.Fprintf(&buf, "%v AS %v", statement.Engine.Quote(table),
-				statement.Engine.Quote(fmt.Sprintf("%v", t[1])))
-		} else if l == 1 {
-			fmt.Fprintf(&buf, statement.Engine.Quote(table))
-		}
-	default:
-		fmt.Fprintf(&buf, statement.Engine.Quote(fmt.Sprintf("%v", tablename)))
-	}
 
-	fmt.Fprintf(&buf, " ON %v", condition)
+	fmt.Fprintf(&buf, "%s ON %v", tbName, condition)
 	statement.JoinStr = buf.String()
 	statement.joinArgs = append(statement.joinArgs, args...)
 	return statement
@@ -803,18 +782,20 @@ func (statement *Statement) Unscoped() *Statement {
 }
 
 func (statement *Statement) genColumnStr() string {
-	var buf bytes.Buffer
 	if statement.RefTable == nil {
 		return ""
 	}
 
+	var buf builder.StringBuilder
 	columns := statement.RefTable.Columns()
 
 	for _, col := range columns {
-		if statement.OmitStr != "" {
+		if statement.omitColumnMap.contain(col.Name) {
-			if _, ok := getFlagForColumn(statement.columnMap, col); ok {
+			continue
-				continue
+		}
-			}
+
+		if len(statement.columnMap) > 0 && !statement.columnMap.contain(col.Name) {
+			continue
 		}
 
 		if col.MapType == core.ONLYTODB {
@@ -825,10 +806,6 @@ func (statement *Statement) genColumnStr() string {
 			buf.WriteString(", ")
 		}
 
-		if col.IsPrimaryKey && statement.Engine.Dialect().DBType() == "ql" {
-			buf.WriteString("id() AS ")
-		}
-
 		if statement.JoinStr != "" {
 			if statement.TableAlias != "" {
 				buf.WriteString(statement.TableAlias)
@@ -853,11 +830,13 @@ func (statement *Statement) genCreateTableSQL() string {
 func (statement *Statement) genIndexSQL() []string {
 	var sqls []string
 	tbName := statement.TableName()
-	quote := statement.Engine.Quote
+	for _, index := range statement.RefTable.Indexes {
-	for idxName, index := range statement.RefTable.Indexes {
 		if index.Type == core.IndexType {
-			sql := fmt.Sprintf("CREATE INDEX %v ON %v (%v);", quote(indexName(tbName, idxName)),
+			sql := statement.Engine.dialect.CreateIndexSql(tbName, index)
-				quote(tbName), quote(strings.Join(index.Cols, quote(","))))
+			/*idxTBName := strings.Replace(tbName, ".", "_", -1)
+			idxTBName = strings.Replace(idxTBName, `"`, "", -1)
+			sql := fmt.Sprintf("CREATE INDEX %v ON %v (%v);", quote(indexName(idxTBName, idxName)),
+				quote(tbName), quote(strings.Join(index.Cols, quote(","))))*/
 			sqls = append(sqls, sql)
 		}
 	}
@@ -883,16 +862,18 @@ func (statement *Statement) genUniqueSQL() []string {
 func (statement *Statement) genDelIndexSQL() []string {
 	var sqls []string
 	tbName := statement.TableName()
+	idxPrefixName := strings.Replace(tbName, `"`, "", -1)
+	idxPrefixName = strings.Replace(idxPrefixName, `.`, "_", -1)
 	for idxName, index := range statement.RefTable.Indexes {
 		var rIdxName string
 		if index.Type == core.UniqueType {
-			rIdxName = uniqueName(tbName, idxName)
+			rIdxName = uniqueName(idxPrefixName, idxName)
 		} else if index.Type == core.IndexType {
-			rIdxName = indexName(tbName, idxName)
+			rIdxName = indexName(idxPrefixName, idxName)
 		}
-		sql := fmt.Sprintf("DROP INDEX %v", statement.Engine.Quote(rIdxName))
+		sql := fmt.Sprintf("DROP INDEX %v", statement.Engine.Quote(statement.Engine.TableName(rIdxName, true)))
 		if statement.Engine.dialect.IndexOnTable() {
-			sql += fmt.Sprintf(" ON %v", statement.Engine.Quote(statement.TableName()))
+			sql += fmt.Sprintf(" ON %v", statement.Engine.Quote(tbName))
 		}
 		sqls = append(sqls, sql)
 	}
@@ -901,8 +882,12 @@ func (statement *Statement) genDelIndexSQL() []string {
 
 func (statement *Statement) genAddColumnStr(col *core.Column) (string, []interface{}) {
 	quote := statement.Engine.Quote
-	sql := fmt.Sprintf("ALTER TABLE %v ADD %v;", quote(statement.TableName()),
+	sql := fmt.Sprintf("ALTER TABLE %v ADD %v", quote(statement.TableName()),
 		col.String(statement.Engine.dialect))
+	if statement.Engine.dialect.DBType() == core.MYSQL && len(col.Comment) > 0 {
+		sql += " COMMENT '" + col.Comment + "'"
+	}
+	sql += ";"
 	return sql, []interface{}{}
 }
 
@@ -939,7 +924,7 @@ func (statement *Statement) genGetSQL(bean interface{}) (string, []interface{},
 	v := rValue(bean)
 	isStruct := v.Kind() == reflect.Struct
 	if isStruct {
-		statement.setRefValue(v)
+		statement.setRefBean(bean)
 	}
 
 	var columnStr = statement.ColumnStr
@@ -950,7 +935,7 @@ func (statement *Statement) genGetSQL(bean interface{}) (string, []interface{},
 		if len(statement.JoinStr) == 0 {
 			if len(columnStr) == 0 {
 				if len(statement.GroupByStr) > 0 {
-					columnStr = statement.Engine.Quote(strings.Replace(statement.GroupByStr, ",", statement.Engine.Quote(","), -1))
+					columnStr = statement.Engine.quoteColumns(statement.GroupByStr)
 				} else {
 					columnStr = statement.genColumnStr()
 				}
@@ -958,7 +943,7 @@ func (statement *Statement) genGetSQL(bean interface{}) (string, []interface{},
 		} else {
 			if len(columnStr) == 0 {
 				if len(statement.GroupByStr) > 0 {
-					columnStr = statement.Engine.Quote(strings.Replace(statement.GroupByStr, ",", statement.Engine.Quote(","), -1))
+					columnStr = statement.Engine.quoteColumns(statement.GroupByStr)
 				}
 			}
 		}
@@ -972,13 +957,17 @@ func (statement *Statement) genGetSQL(bean interface{}) (string, []interface{},
 		if err := statement.mergeConds(bean); err != nil {
 			return "", nil, err
 		}
+	} else {
+		if err := statement.processIDParam(); err != nil {
+			return "", nil, err
+		}
 	}
 	condSQL, condArgs, err := builder.ToSQL(statement.cond)
 	if err != nil {
 		return "", nil, err
 	}
 
-	sqlStr, err := statement.genSelectSQL(columnStr, condSQL)
+	sqlStr, err := statement.genSelectSQL(columnStr, condSQL, true, true)
 	if err != nil {
 		return "", nil, err
 	}
@@ -991,7 +980,7 @@ func (statement *Statement) genCountSQL(beans ...interface{}) (string, []interfa
 	var condArgs []interface{}
 	var err error
 	if len(beans) > 0 {
-		statement.setRefValue(rValue(beans[0]))
+		statement.setRefBean(beans[0])
 		condSQL, condArgs, err = statement.genConds(beans[0])
 	} else {
 		condSQL, condArgs, err = builder.ToSQL(statement.cond)
@@ -1008,7 +997,7 @@ func (statement *Statement) genCountSQL(beans ...interface{}) (string, []interfa
 			selectSQL = "count(*)"
 		}
 	}
-	sqlStr, err := statement.genSelectSQL(selectSQL, condSQL)
+	sqlStr, err := statement.genSelectSQL(selectSQL, condSQL, false, false)
 	if err != nil {
 		return "", nil, err
 	}
@@ -1017,7 +1006,7 @@ func (statement *Statement) genCountSQL(beans ...interface{}) (string, []interfa
 }
 
 func (statement *Statement) genSumSQL(bean interface{}, columns ...string) (string, []interface{}, error) {
-	statement.setRefValue(rValue(bean))
+	statement.setRefBean(bean)
 
 	var sumStrs = make([]string, 0, len(columns))
 	for _, colName := range columns {
@@ -1033,7 +1022,7 @@ func (statement *Statement) genSumSQL(bean interface{}, columns ...string) (stri
 		return "", nil, err
 	}
 
-	sqlStr, err := statement.genSelectSQL(sumSelect, condSQL)
+	sqlStr, err := statement.genSelectSQL(sumSelect, condSQL, true, true)
 	if err != nil {
 		return "", nil, err
 	}
@@ -1041,27 +1030,20 @@ func (statement *Statement) genSumSQL(bean interface{}, columns ...string) (stri
 	return sqlStr, append(statement.joinArgs, condArgs...), nil
 }
 
-func (statement *Statement) genSelectSQL(columnStr, condSQL string) (a string, err error) {
+func (statement *Statement) genSelectSQL(columnStr, condSQL string, needLimit, needOrderBy bool) (string, error) {
-	var distinct string
+	var (
+		distinct                  string
+		dialect                   = statement.Engine.Dialect()
+		quote                     = statement.Engine.Quote
+		fromStr                   = " FROM "
+		top, mssqlCondi, whereStr string
+	)
 	if statement.IsDistinct && !strings.HasPrefix(columnStr, "count") {
 		distinct = "DISTINCT "
 	}
-
-	var dialect = statement.Engine.Dialect()
-	var quote = statement.Engine.Quote
-	var top string
-	var mssqlCondi string
-
-	if err := statement.processIDParam(); err != nil {
-		return "", err
-	}
-
-	var buf bytes.Buffer
 	if len(condSQL) > 0 {
-		fmt.Fprintf(&buf, " WHERE %v", condSQL)
+		whereStr = " WHERE " + condSQL
 	}
-	var whereStr = buf.String()
-	var fromStr = " FROM "
 
 	if dialect.DBType() == core.MSSQL && strings.Contains(statement.TableName(), "..") {
 		fromStr += statement.TableName()
@@ -1108,9 +1090,10 @@ func (statement *Statement) genSelectSQL(columnStr, condSQL string) (a string, e
 			}
 
 			var orderStr string
-			if len(statement.OrderStr) > 0 {
+			if needOrderBy && len(statement.OrderStr) > 0 {
 				orderStr = " ORDER BY " + statement.OrderStr
 			}
+
 			var groupStr string
 			if len(statement.GroupByStr) > 0 {
 				groupStr = " GROUP BY " + statement.GroupByStr
@@ -1120,45 +1103,50 @@ func (statement *Statement) genSelectSQL(columnStr, condSQL string) (a string, e
 		}
 	}
 
-	// !nashtsai! REVIEW Sprintf is considered slowest mean of string concatnation, better to work with builder pattern
+	var buf builder.StringBuilder
-	a = fmt.Sprintf("SELECT %v%v%v%v%v", distinct, top, columnStr, fromStr, whereStr)
+	fmt.Fprintf(&buf, "SELECT %v%v%v%v%v", distinct, top, columnStr, fromStr, whereStr)
 	if len(mssqlCondi) > 0 {
 		if len(whereStr) > 0 {
-			a += " AND " + mssqlCondi
+			fmt.Fprint(&buf, " AND ", mssqlCondi)
 		} else {
-			a += " WHERE " + mssqlCondi
+			fmt.Fprint(&buf, " WHERE ", mssqlCondi)
 		}
 	}
 
 	if statement.GroupByStr != "" {
-		a = fmt.Sprintf("%v GROUP BY %v", a, statement.GroupByStr)
+		fmt.Fprint(&buf, " GROUP BY ", statement.GroupByStr)
 	}
 	if statement.HavingStr != "" {
-		a = fmt.Sprintf("%v %v", a, statement.HavingStr)
+		fmt.Fprint(&buf, " ", statement.HavingStr)
 	}
-	if statement.OrderStr != "" {
+	if needOrderBy && statement.OrderStr != "" {
-		a = fmt.Sprintf("%v ORDER BY %v", a, statement.OrderStr)
+		fmt.Fprint(&buf, " ORDER BY ", statement.OrderStr)
 	}
-	if dialect.DBType() != core.MSSQL && dialect.DBType() != core.ORACLE {
+	if needLimit {
-		if statement.Start > 0 {
+		if dialect.DBType() != core.MSSQL && dialect.DBType() != core.ORACLE {
-			a = fmt.Sprintf("%v LIMIT %v OFFSET %v", a, statement.LimitN, statement.Start)
+			if statement.Start > 0 {
-		} else if statement.LimitN > 0 {
+				fmt.Fprintf(&buf, " LIMIT %v OFFSET %v", statement.LimitN, statement.Start)
-			a = fmt.Sprintf("%v LIMIT %v", a, statement.LimitN)
+			} else if statement.LimitN > 0 {
-		}
+				fmt.Fprint(&buf, " LIMIT ", statement.LimitN)
-	} else if dialect.DBType() == core.ORACLE {
+			}
-		if statement.Start != 0 || statement.LimitN != 0 {
+		} else if dialect.DBType() == core.ORACLE {
-			a = fmt.Sprintf("SELECT %v FROM (SELECT %v,ROWNUM RN FROM (%v) at WHERE ROWNUM <= %d) aat WHERE RN > %d", columnStr, columnStr, a, statement.Start+statement.LimitN, statement.Start)
+			if statement.Start != 0 || statement.LimitN != 0 {
+				oldString := buf.String()
+				buf.Reset()
+				fmt.Fprintf(&buf, "SELECT %v FROM (SELECT %v,ROWNUM RN FROM (%v) at WHERE ROWNUM <= %d) aat WHERE RN > %d",
+					columnStr, columnStr, oldString, statement.Start+statement.LimitN, statement.Start)
+			}
 		}
 	}
 	if statement.IsForUpdate {
-		a = dialect.ForUpdateSql(a)
+		return dialect.ForUpdateSql(buf.String()), nil
 	}
 
-	return
+	return buf.String(), nil
 }
 
 func (statement *Statement) processIDParam() error {
-	if statement.idParam == nil {
+	if statement.idParam == nil || statement.RefTable == nil {
 		return nil
 	}
 

vendor/github.com/go-xorm/xorm/xorm.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build go1.8
+
 package xorm
 
 import (
@@ -17,7 +19,7 @@ import (
 
 const (
 	// Version show the xorm's version
-	Version string = "0.6.4.0910"
+	Version string = "0.7.0.0504"
 )
 
 func regDrvsNDialects() bool {
@@ -31,7 +33,7 @@ func regDrvsNDialects() bool {
 		"mysql":    {"mysql", func() core.Driver { return &mysqlDriver{} }, func() core.Dialect { return &mysql{} }},
 		"mymysql":  {"mysql", func() core.Driver { return &mymysqlDriver{} }, func() core.Dialect { return &mysql{} }},
 		"postgres": {"postgres", func() core.Driver { return &pqDriver{} }, func() core.Dialect { return &postgres{} }},
-		"pgx":      {"postgres", func() core.Driver { return &pqDriver{} }, func() core.Dialect { return &postgres{} }},
+		"pgx":      {"postgres", func() core.Driver { return &pqDriverPgx{} }, func() core.Dialect { return &postgres{} }},
 		"sqlite3":  {"sqlite3", func() core.Driver { return &sqlite3Driver{} }, func() core.Dialect { return &sqlite3{} }},
 		"oci8":     {"oracle", func() core.Driver { return &oci8Driver{} }, func() core.Dialect { return &oracle{} }},
 		"goracle":  {"oracle", func() core.Driver { return &goracleDriver{} }, func() core.Dialect { return &oracle{} }},
@@ -90,6 +92,7 @@ func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
 		TagIdentifier: "xorm",
 		TZLocation:    time.Local,
 		tagHandlers:   defaultTagHandlers,
+		cachers:       make(map[string]core.Cacher),
 	}
 
 	if uri.DbType == core.SQLITE {
@@ -108,6 +111,13 @@ func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
 	return engine, nil
 }
 
+// NewEngineWithParams new a db manager with params. The params will be passed to dialect.
+func NewEngineWithParams(driverName string, dataSourceName string, params map[string]string) (*Engine, error) {
+	engine, err := NewEngine(driverName, dataSourceName)
+	engine.dialect.SetParams(params)
+	return engine, err
+}
+
 // Clone clone an engine
 func (engine *Engine) Clone() (*Engine, error) {
 	return NewEngine(engine.DriverName(), engine.DataSourceName())

vendor/modules.txt

@@ -49,12 +49,11 @@ github.com/go-redis/redis/internal/singleflight
 github.com/go-redis/redis/internal/util
 # github.com/go-sql-driver/mysql v1.4.1
 github.com/go-sql-driver/mysql
-# github.com/go-xorm/builder v0.0.0-20170519032130-c8871c857d25
+# github.com/go-xorm/builder v0.3.2
 github.com/go-xorm/builder
-# github.com/go-xorm/core v0.5.8
+# github.com/go-xorm/core v0.6.0
 github.com/go-xorm/core
-# github.com/go-xorm/xorm v0.0.0-20170930012613-29d4a0330a00
+# github.com/go-xorm/xorm v0.7.1
-github.com/go-xorm/xorm/migrate
 github.com/go-xorm/xorm
 # github.com/go-xorm/xorm-redis-cache v0.0.0-20180727005610-859b313566b2
 github.com/go-xorm/xorm-redis-cache
@@ -217,3 +216,5 @@ honnef.co/go/tools/ssautil
 honnef.co/go/tools/staticcheck/vrp
 honnef.co/go/tools/callgraph
 honnef.co/go/tools/callgraph/static
+# src.techknowlogick.com/xormigrate v0.0.0-20190321151057-24497c23c09c
+src.techknowlogick.com/xormigrate