Update module lib/pq to v1.5.1 (#485)

Update module lib/pq to v1.5.1

Reviewed-on: vikunja/api#485

go.mod

@@ -44,7 +44,7 @@ require (
 	github.com/labstack/echo/v4 v4.1.16
 	github.com/labstack/gommon v0.3.0
 	github.com/laurent22/ical-go v0.1.1-0.20181107184520-7e5d6ade8eef
-	github.com/lib/pq v1.5.0
+	github.com/lib/pq v1.5.1
 	github.com/mailru/easyjson v0.7.0 // indirect
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect

go.sum

@@ -257,6 +257,8 @@ github.com/lib/pq v1.4.0 h1:TmtCFbH+Aw0AixwyttznSMQDgbR5Yed/Gg6S8Funrhc=
 github.com/lib/pq v1.4.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/lib/pq v1.5.0 h1:Hq6pEflc2Q3hP5iEH3Q6XopXrJXxjhwbvMpj9eZnpp0=
 github.com/lib/pq v1.5.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
+github.com/lib/pq v1.5.1 h1:Jn6HYxiYrtQ92CopqJLvfPCJUrrruw1+1cn0jM9dKrI=
+github.com/lib/pq v1.5.1/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=

vendor/github.com/lib/pq/notify.go

@@ -4,6 +4,7 @@ package pq
 // This module contains support for Postgres LISTEN/NOTIFY.
 
 import (
+	"context"
 	"database/sql/driver"
 	"errors"
 	"fmt"
@@ -40,6 +41,51 @@ func SetNotificationHandler(c driver.Conn, handler func(*Notification)) {
 	c.(*conn).notificationHandler = handler
 }
 
+// NotificationHandlerConnector wraps a regular connector and sets a notification handler
+// on it.
+type NotificationHandlerConnector struct {
+	driver.Connector
+	notificationHandler func(*Notification)
+}
+
+// Connect calls the underlying connector's connect method and then sets the
+// notification handler.
+func (n *NotificationHandlerConnector) Connect(ctx context.Context) (driver.Conn, error) {
+	c, err := n.Connector.Connect(ctx)
+	if err == nil {
+		SetNotificationHandler(c, n.notificationHandler)
+	}
+	return c, err
+}
+
+// ConnectorNotificationHandler returns the currently set notification handler, if any. If
+// the given connector is not a result of ConnectorWithNotificationHandler, nil is
+// returned.
+func ConnectorNotificationHandler(c driver.Connector) func(*Notification) {
+	if c, ok := c.(*NotificationHandlerConnector); ok {
+		return c.notificationHandler
+	}
+	return nil
+}
+
+// ConnectorWithNotificationHandler creates or sets the given handler for the given
+// connector. If the given connector is a result of calling this function
+// previously, it is simply set on the given connector and returned. Otherwise,
+// this returns a new connector wrapping the given one and setting the notification
+// handler. A nil notification handler may be used to unset it.
+//
+// The returned connector is intended to be used with database/sql.OpenDB.
+//
+// Note: Notification handlers are executed synchronously by pq meaning commands
+// won't continue to be processed until the handler returns.
+func ConnectorWithNotificationHandler(c driver.Connector, handler func(*Notification)) *NotificationHandlerConnector {
+	if c, ok := c.(*NotificationHandlerConnector); ok {
+		c.notificationHandler = handler
+		return c
+	}
+	return &NotificationHandlerConnector{Connector: c, notificationHandler: handler}
+}
+
 const (
 	connStateIdle int32 = iota
 	connStateExpectResponse

vendor/modules.txt

@@ -118,7 +118,7 @@ github.com/labstack/gommon/log
 github.com/labstack/gommon/random
 # github.com/laurent22/ical-go v0.1.1-0.20181107184520-7e5d6ade8eef
 github.com/laurent22/ical-go
-# github.com/lib/pq v1.5.0
+# github.com/lib/pq v1.5.1
 github.com/lib/pq
 github.com/lib/pq/oid
 github.com/lib/pq/scram