dependency(): upgraded go-sql-driver/mysql, fixes #3969

Godeps/Godeps.json

@@ -101,8 +101,8 @@
 		},
 		{
 			"ImportPath": "github.com/go-sql-driver/mysql",
-			"Comment": "v1.2-26-g9543750",
-			"Rev": "9543750295406ef070f7de8ae9c43ccddd44e15e"
+			"Comment": "v1.2-171-g267b128",
+			"Rev": "267b128680c46286b9ca13475c3cca5de8f79bd7"
 		},
 		{
 			"ImportPath": "github.com/go-xorm/core",

Godeps/_workspace/src/github.com/go-sql-driver/mysql/.travis.yml

@@ -1,8 +1,10 @@
+sudo: false
 language: go
 go:
-  - 1.1
   - 1.2
   - 1.3
+  - 1.4
+  - 1.5
   - tip
 
 before_script:

Godeps/_workspace/src/github.com/go-sql-driver/mysql/AUTHORS

@@ -14,19 +14,32 @@
 Aaron Hopkins <go-sql-driver at die.net>
 Arne Hormann <arnehormann at gmail.com>
 Carlos Nieto <jose.carlos at menteslibres.net>
+Chris Moos <chris at tech9computers.com>
+Daniel Nichter <nil at codenode.com>
 DisposaBoy <disposaboy at dby.me>
 Frederick Mayle <frederickmayle at gmail.com>
 Gustavo Kristic <gkristic at gmail.com>
 Hanno Braun <mail at hannobraun.com>
 Henri Yandell <flamefew at gmail.com>
+Hirotaka Yamamoto <ymmt2005 at gmail.com>
+INADA Naoki <songofacandy at gmail.com>
 James Harr <james.harr at gmail.com>
 Jian Zhen <zhenjl at gmail.com>
+Joshua Prunier <joshua.prunier at gmail.com>
+Julien Lefevre <julien.lefevr at gmail.com>
 Julien Schmidt <go-sql-driver at julienschmidt.com>
+Kamil Dziedzic <kamil at klecza.pl>
+Kevin Malachowski <kevin at chowski.com>
 Leonardo YongUk Kim <dalinaum at gmail.com>
+Luca Looz <luca.looz92 at gmail.com>
 Lucas Liu <extrafliu at gmail.com>
 Luke Scott <luke at webconnex.com>
 Michael Woolnough <michael.woolnough at gmail.com>
 Nicola Peduzzi <thenikso at gmail.com>
+Runrioter Wung <runrioter at gmail.com>
+Soroush Pour <me at soroushjp.com>
+Stan Putrya <root.vagner at gmail.com>
+Stanley Gunawan <gunawan.stanley at gmail.com>
 Xiaobing Jiang <s7v7nislands at gmail.com>
 Xiuming Chen <cc at cxm.cc>
 
@@ -34,3 +47,4 @@ Xiuming Chen <cc at cxm.cc>
 
 Barracuda Networks, Inc.
 Google Inc.
+Stripe Inc.

Godeps/_workspace/src/github.com/go-sql-driver/mysql/CHANGELOG.md

@@ -2,11 +2,31 @@
 
 Changes:
 
- - Use decimals field from MySQL to format time types
+ - Go 1.1 is no longer supported
+ - Use decimals field from MySQL to format time types (#249)
+ - Buffer optimizations (#269)
+ - TLS ServerName defaults to the host (#283)
 
 Bugfixes:
 
- - Enable microsecond resolution on TIME, DATETIME and TIMESTAMP
+ - Enable microsecond resolution on TIME, DATETIME and TIMESTAMP (#249)
+ - Fixed handling of queries without columns and rows (#255)
+ - Fixed a panic when SetKeepAlive() failed (#298)
+ - Support receiving ERR packet while reading rows (#321)
+ - Fixed reading NULL length-encoded integers in MySQL 5.6+ (#349)
+ - Fixed absolute paths support in LOAD LOCAL DATA INFILE (#356)
+ - Actually zero out bytes in handshake response (#378)
+ - Fixed race condition in registering LOAD DATA INFILE handler (#383)
+ - Fixed tests with MySQL 5.7.9+ (#380)
+ - QueryUnescape TLS config names (#397)
+ - Fixed "broken pipe" error by writing to closed socket (#390)
+
+New Features:
+ - Support for returning table alias on Columns() (#289, #359, #382)
+ - Placeholder interpolation, can be actived with the DSN parameter `interpolateParams=true` (#309, #318)
+ - Support for uint64 parameters with high bit set (#332, #345)
+ - Cleartext authentication plugin support (#327)
+
 
 
 ## Version 1.2 (2014-06-03)

Godeps/_workspace/src/github.com/go-sql-driver/mysql/README.md

@@ -30,7 +30,7 @@ A MySQL-Driver for Go's [database/sql](http://golang.org/pkg/database/sql) packa
 ## Features
   * Lightweight and [fast](https://github.com/go-sql-driver/sql-benchmark "golang MySQL-Driver performance")
   * Native Go implementation. No C-bindings, just pure Go
-  * Connections over TCP/IPv4, TCP/IPv6 or Unix domain sockets
+  * Connections over TCP/IPv4, TCP/IPv6, Unix domain sockets or [custom protocols](http://godoc.org/github.com/go-sql-driver/mysql#DialFunc)
   * Automatic handling of broken connections
   * Automatic Connection Pooling *(by database/sql package)*
   * Supports queries larger than 16MB
@@ -38,9 +38,10 @@ A MySQL-Driver for Go's [database/sql](http://golang.org/pkg/database/sql) packa
   * Intelligent `LONG DATA` handling in prepared statements
   * Secure `LOAD DATA LOCAL INFILE` support with file Whitelisting and `io.Reader` support
   * Optional `time.Time` parsing
+  * Optional placeholder interpolation
 
 ## Requirements
-  * Go 1.1 or higher
+  * Go 1.2 or higher
   * MySQL (4.1+), MariaDB, Percona Server, Google CloudSQL or Sphinx (2.2.3+)
 
 ---------------------------------------
@@ -92,6 +93,8 @@ This has the same effect as an empty DSN string:
 
 ```
 
+Alternatively, [Config.FormatDSN](https://godoc.org/github.com/go-sql-driver/mysql#Config.FormatDSN) can be used to create a DSN string by filling a struct.
+
 #### Password
 Passwords can consist of any character. Escaping is **not** necessary.
 
@@ -122,6 +125,16 @@ Default:        false
 `allowAllFiles=true` disables the file Whitelist for `LOAD DATA LOCAL INFILE` and allows *all* files.
 [*Might be insecure!*](http://dev.mysql.com/doc/refman/5.7/en/load-data-local.html)
 
+##### `allowCleartextPasswords`
+
+```
+Type:           bool
+Valid Values:   true, false
+Default:        false
+```
+
+`allowCleartextPasswords=true` allows using the [cleartext client side plugin](http://dev.mysql.com/doc/en/cleartext-authentication-plugin.html) if required by an account, such as one defined with the [PAM authentication plugin](http://dev.mysql.com/doc/en/pam-authentication-plugin.html). Sending passwords in clear text may be a security problem in some configurations. To avoid problems if there is any possibility that the password would be intercepted, clients should connect to MySQL Server using a method that protects the password. Possibilities include [TLS / SSL](#tls), IPsec, or a private network.
+
 ##### `allowOldPasswords`
 
 ```
@@ -166,6 +179,33 @@ Default:        false
 
 `clientFoundRows=true` causes an UPDATE to return the number of matching rows instead of the number of rows changed.
 
+##### `columnsWithAlias`
+
+```
+Type:           bool
+Valid Values:   true, false
+Default:        false
+```
+
+When `columnsWithAlias` is true, calls to `sql.Rows.Columns()` will return the table alias and the column name separated by a dot. For example:
+
+```
+SELECT u.id FROM users as u
+```
+
+will return `u.id` instead of just `id` if `columnsWithAlias=true`.
+
+##### `interpolateParams`
+
+```
+Type:           bool
+Valid Values:   true, false
+Default:        false
+```
+
+If `interpolateParams` is true, placeholders (`?`) in calls to `db.Query()` and `db.Exec()` are interpolated into a single query string with given parameters. This reduces the number of roundtrips, since the driver has to prepare a statement, execute it with given parameters and close the statement again with `interpolateParams=false`.
+
+*This can not be used together with the multibyte encodings BIG5, CP932, GB2312, GBK or SJIS. These are blacklisted as they may [introduce a SQL injection vulnerability](http://stackoverflow.com/a/12118602/3430118)!*
 
 ##### `loc`
 
@@ -177,8 +217,20 @@ Default:        UTC
 
 Sets the location for time.Time values (when using `parseTime=true`). *"Local"* sets the system's location. See [time.LoadLocation](http://golang.org/pkg/time/#LoadLocation) for details.
 
+Note that this sets the location for time.Time values but does not change MySQL's [time_zone setting](https://dev.mysql.com/doc/refman/5.5/en/time-zone-support.html). For that see the [time_zone system variable](#system-variables), which can also be set as a DSN parameter.
+
 Please keep in mind, that param values must be [url.QueryEscape](http://golang.org/pkg/net/url/#QueryEscape)'ed. Alternatively you can manually replace the `/` with `%2F`. For example `US/Pacific` would be `loc=US%2FPacific`.
 
+##### `multiStatements`
+
+```
+Type:           bool
+Valid Values:   true, false
+Default:        false
+```
+
+Allow multiple statements in one query. While this allows batch queries, it also greatly increases the risk of SQL injections. Only the result of the first query is returned, all other results are silently discarded.
+
 
 ##### `parseTime`
 
@@ -191,6 +243,16 @@ Default:        false
 `parseTime=true` changes the output type of `DATE` and `DATETIME` values to `time.Time` instead of `[]byte` / `string`
 
 
+##### `readTimeout`
+
+```
+Type:           decimal number
+Default:        0
+```
+
+I/O read timeout. The value must be a decimal number with an unit suffix ( *"ms"*, *"s"*, *"m"*, *"h"* ), such as *"30s"*, *"0.5m"* or *"1m30s"*.
+
+
 ##### `strict`
 
 ```
@@ -211,7 +273,7 @@ Type:           decimal number
 Default:        OS default
 ```
 
-*Driver* side connection timeout. The value must be a string of decimal numbers, each with optional fraction and a unit suffix ( *"ms"*, *"s"*, *"m"*, *"h"* ), such as *"30s"*, *"0.5m"* or *"1m30s"*. To set a server side timeout, use the parameter [`wait_timeout`](http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_wait_timeout).
+*Driver* side connection timeout. The value must be a decimal number with an unit suffix ( *"ms"*, *"s"*, *"m"*, *"h"* ), such as *"30s"*, *"0.5m"* or *"1m30s"*. To set a server side timeout, use the parameter [`wait_timeout`](http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_wait_timeout).
 
 
 ##### `tls`
@@ -225,11 +287,21 @@ Default:        false
 `tls=true` enables TLS / SSL encrypted connection to the server. Use `skip-verify` if you want to use a self-signed or invalid certificate (server side). Use a custom value registered with [`mysql.RegisterTLSConfig`](http://godoc.org/github.com/go-sql-driver/mysql#RegisterTLSConfig).
 
 
+##### `writeTimeout`
+
+```
+Type:           decimal number
+Default:        0
+```
+
+I/O write timeout. The value must be a decimal number with an unit suffix ( *"ms"*, *"s"*, *"m"*, *"h"* ), such as *"30s"*, *"0.5m"* or *"1m30s"*.
+
+
 ##### System Variables
 
 All other parameters are interpreted as system variables:
   * `autocommit`: `"SET autocommit=<value>"`
-  * `time_zone`: `"SET time_zone=<value>"`
+  * [`time_zone`](https://dev.mysql.com/doc/refman/5.5/en/time-zone-support.html): `"SET time_zone=<value>"`
   * [`tx_isolation`](https://dev.mysql.com/doc/refman/5.5/en/server-system-variables.html#sysvar_tx_isolation): `"SET tx_isolation=<value>"`
   * `param`: `"SET <param>=<value>"`
 
@@ -291,7 +363,7 @@ import "github.com/go-sql-driver/mysql"
 
 Files must be whitelisted by registering them with `mysql.RegisterLocalFile(filepath)` (recommended) or the Whitelist check must be deactivated by using the DSN parameter `allowAllFiles=true` ([*Might be insecure!*](http://dev.mysql.com/doc/refman/5.7/en/load-data-local.html)).
 
-To use a `io.Reader` a handler function must be registered with `mysql.RegisterReaderHandler(name, handler)` which returns a `io.Reader` or `io.ReadCloser`. The Reader is available with the filepath `Reader::<name>` then.
+To use a `io.Reader` a handler function must be registered with `mysql.RegisterReaderHandler(name, handler)` which returns a `io.Reader` or `io.ReadCloser`. The Reader is available with the filepath `Reader::<name>` then. Choose different names for different handlers and `DeregisterReaderHandler` when you don't need it anymore.
 
 See the [godoc of Go-MySQL-Driver](http://godoc.org/github.com/go-sql-driver/mysql "golang mysql driver documentation") for details.
 

Godeps/_workspace/src/github.com/go-sql-driver/mysql/benchmark_test.go

@@ -11,10 +11,13 @@ package mysql
 import (
 	"bytes"
 	"database/sql"
+	"database/sql/driver"
+	"math"
 	"strings"
 	"sync"
 	"sync/atomic"
 	"testing"
+	"time"
 )
 
 type TB testing.B
@@ -45,7 +48,11 @@ func initDB(b *testing.B, queries ...string) *sql.DB {
 	db := tb.checkDB(sql.Open("mysql", dsn))
 	for _, query := range queries {
 		if _, err := db.Exec(query); err != nil {
-			b.Fatalf("Error on %q: %v", query, err)
+			if w, ok := err.(MySQLWarnings); ok {
+				b.Logf("warning on %q: %v", query, w)
+			} else {
+				b.Fatalf("error on %q: %v", query, err)
+			}
 		}
 	}
 	return db
@@ -206,3 +213,34 @@ func BenchmarkRoundtripBin(b *testing.B) {
 		rows.Close()
 	}
 }
+
+func BenchmarkInterpolation(b *testing.B) {
+	mc := &mysqlConn{
+		cfg: &Config{
+			InterpolateParams: true,
+			Loc:               time.UTC,
+		},
+		maxPacketAllowed: maxPacketSize,
+		maxWriteSize:     maxPacketSize - 1,
+		buf:              newBuffer(nil),
+	}
+
+	args := []driver.Value{
+		int64(42424242),
+		float64(math.Pi),
+		false,
+		time.Unix(1423411542, 807015000),
+		[]byte("bytes containing special chars ' \" \a \x00"),
+		"string containing special chars ' \" \a \x00",
+	}
+	q := "SELECT ?, ?, ?, ?, ?, ?"
+
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_, err := mc.interpolateParams(q, args)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}

Godeps/_workspace/src/github.com/go-sql-driver/mysql/buffer.go

@@ -8,7 +8,11 @@
 
 package mysql
 
-import "io"
+import (
+	"io"
+	"net"
+	"time"
+)
 
 const defaultBufSize = 4096
 
@@ -18,17 +22,18 @@ const defaultBufSize = 4096
 // The buffer is similar to bufio.Reader / Writer but zero-copy-ish
 // Also highly optimized for this particular use case.
 type buffer struct {
-	buf    []byte
-	rd     io.Reader
-	idx    int
-	length int
+	buf     []byte
+	nc      net.Conn
+	idx     int
+	length  int
+	timeout time.Duration
 }
 
-func newBuffer(rd io.Reader) buffer {
+func newBuffer(nc net.Conn) buffer {
 	var b [defaultBufSize]byte
 	return buffer{
 		buf: b[:],
-		rd:  rd,
+		nc:  nc,
 	}
 }
 
@@ -54,7 +59,13 @@ func (b *buffer) fill(need int) error {
 	b.idx = 0
 
 	for {
-		nn, err := b.rd.Read(b.buf[n:])
+		if b.timeout > 0 {
+			if err := b.nc.SetReadDeadline(time.Now().Add(b.timeout)); err != nil {
+				return err
+			}
+		}
+
+		nn, err := b.nc.Read(b.buf[n:])
 		n += nn
 
 		switch err {

Godeps/_workspace/src/github.com/go-sql-driver/mysql/collations.go

@@ -8,7 +8,7 @@
 
 package mysql
 
-const defaultCollation byte = 33 // utf8_general_ci
+const defaultCollation = "utf8_general_ci"
 
 // A list of available collations mapped to the internal ID.
 // To update this map use the following MySQL query:
@@ -234,3 +234,17 @@ var collations = map[string]byte{
 	"utf8mb4_unicode_520_ci":   246,
 	"utf8mb4_vietnamese_ci":    247,
 }
+
+// A blacklist of collations which is unsafe to interpolate parameters.
+// These multibyte encodings may contains 0x5c (`\`) in their trailing bytes.
+var unsafeCollations = map[string]bool{
+	"big5_chinese_ci":   true,
+	"sjis_japanese_ci":  true,
+	"gbk_chinese_ci":    true,
+	"big5_bin":          true,
+	"gb2312_bin":        true,
+	"gbk_bin":           true,
+	"sjis_bin":          true,
+	"cp932_japanese_ci": true,
+	"cp932_bin":         true,
+}

Godeps/_workspace/src/github.com/go-sql-driver/mysql/connection.go

@@ -9,10 +9,9 @@
 package mysql
 
 import (
-	"crypto/tls"
 	"database/sql/driver"
-	"errors"
 	"net"
+	"strconv"
 	"strings"
 	"time"
 )
@@ -22,34 +21,20 @@ type mysqlConn struct {
 	netConn          net.Conn
 	affectedRows     uint64
 	insertId         uint64
-	cfg              *config
+	cfg              *Config
 	maxPacketAllowed int
 	maxWriteSize     int
+	writeTimeout     time.Duration
 	flags            clientFlag
+	status           statusFlag
 	sequence         uint8
 	parseTime        bool
 	strict           bool
 }
 
-type config struct {
-	user              string
-	passwd            string
-	net               string
-	addr              string
-	dbname            string
-	params            map[string]string
-	loc               *time.Location
-	tls               *tls.Config
-	timeout           time.Duration
-	collation         uint8
-	allowAllFiles     bool
-	allowOldPasswords bool
-	clientFoundRows   bool
-}
-
 // Handles parameters set in DSN after the connection is established
 func (mc *mysqlConn) handleParams() (err error) {
-	for param, val := range mc.cfg.params {
+	for param, val := range mc.cfg.Params {
 		switch param {
 		// Charset
 		case "charset":
@@ -65,27 +50,6 @@ func (mc *mysqlConn) handleParams() (err error) {
 				return
 			}
 
-		// time.Time parsing
-		case "parseTime":
-			var isBool bool
-			mc.parseTime, isBool = readBool(val)
-			if !isBool {
-				return errors.New("Invalid Bool value: " + val)
-			}
-
-		// Strict mode
-		case "strict":
-			var isBool bool
-			mc.strict, isBool = readBool(val)
-			if !isBool {
-				return errors.New("Invalid Bool value: " + val)
-			}
-
-		// Compression
-		case "compress":
-			err = errors.New("Compression not implemented yet")
-			return
-
 		// System Vars
 		default:
 			err = mc.exec("SET " + param + "=" + val + "")
@@ -115,20 +79,29 @@ func (mc *mysqlConn) Close() (err error) {
 	// Makes Close idempotent
 	if mc.netConn != nil {
 		err = mc.writeCommandPacket(comQuit)
-		if err == nil {
-			err = mc.netConn.Close()
-		} else {
-			mc.netConn.Close()
-		}
-		mc.netConn = nil
 	}
 
-	mc.cfg = nil
-	mc.buf.rd = nil
+	mc.cleanup()
 
 	return
 }
 
+// Closes the network connection and unsets internal variables. Do not call this
+// function after successfully authentication, call Close instead. This function
+// is called before auth or on auth failure because MySQL will have already
+// closed the network connection.
+func (mc *mysqlConn) cleanup() {
+	// Makes cleanup idempotent
+	if mc.netConn != nil {
+		if err := mc.netConn.Close(); err != nil {
+			errLog.Print(err)
+		}
+		mc.netConn = nil
+	}
+	mc.cfg = nil
+	mc.buf.nc = nil
+}
+
 func (mc *mysqlConn) Prepare(query string) (driver.Stmt, error) {
 	if mc.netConn == nil {
 		errLog.Print(ErrInvalidConn)
@@ -161,28 +134,151 @@ func (mc *mysqlConn) Prepare(query string) (driver.Stmt, error) {
 	return stmt, err
 }
 
+func (mc *mysqlConn) interpolateParams(query string, args []driver.Value) (string, error) {
+	buf := mc.buf.takeCompleteBuffer()
+	if buf == nil {
+		// can not take the buffer. Something must be wrong with the connection
+		errLog.Print(ErrBusyBuffer)
+		return "", driver.ErrBadConn
+	}
+	buf = buf[:0]
+	argPos := 0
+
+	for i := 0; i < len(query); i++ {
+		q := strings.IndexByte(query[i:], '?')
+		if q == -1 {
+			buf = append(buf, query[i:]...)
+			break
+		}
+		buf = append(buf, query[i:i+q]...)
+		i += q
+
+		arg := args[argPos]
+		argPos++
+
+		if arg == nil {
+			buf = append(buf, "NULL"...)
+			continue
+		}
+
+		switch v := arg.(type) {
+		case int64:
+			buf = strconv.AppendInt(buf, v, 10)
+		case float64:
+			buf = strconv.AppendFloat(buf, v, 'g', -1, 64)
+		case bool:
+			if v {
+				buf = append(buf, '1')
+			} else {
+				buf = append(buf, '0')
+			}
+		case time.Time:
+			if v.IsZero() {
+				buf = append(buf, "'0000-00-00'"...)
+			} else {
+				v := v.In(mc.cfg.Loc)
+				v = v.Add(time.Nanosecond * 500) // To round under microsecond
+				year := v.Year()
+				year100 := year / 100
+				year1 := year % 100
+				month := v.Month()
+				day := v.Day()
+				hour := v.Hour()
+				minute := v.Minute()
+				second := v.Second()
+				micro := v.Nanosecond() / 1000
+
+				buf = append(buf, []byte{
+					'\'',
+					digits10[year100], digits01[year100],
+					digits10[year1], digits01[year1],
+					'-',
+					digits10[month], digits01[month],
+					'-',
+					digits10[day], digits01[day],
+					' ',
+					digits10[hour], digits01[hour],
+					':',
+					digits10[minute], digits01[minute],
+					':',
+					digits10[second], digits01[second],
+				}...)
+
+				if micro != 0 {
+					micro10000 := micro / 10000
+					micro100 := micro / 100 % 100
+					micro1 := micro % 100
+					buf = append(buf, []byte{
+						'.',
+						digits10[micro10000], digits01[micro10000],
+						digits10[micro100], digits01[micro100],
+						digits10[micro1], digits01[micro1],
+					}...)
+				}
+				buf = append(buf, '\'')
+			}
+		case []byte:
+			if v == nil {
+				buf = append(buf, "NULL"...)
+			} else {
+				buf = append(buf, "_binary'"...)
+				if mc.status&statusNoBackslashEscapes == 0 {
+					buf = escapeBytesBackslash(buf, v)
+				} else {
+					buf = escapeBytesQuotes(buf, v)
+				}
+				buf = append(buf, '\'')
+			}
+		case string:
+			buf = append(buf, '\'')
+			if mc.status&statusNoBackslashEscapes == 0 {
+				buf = escapeStringBackslash(buf, v)
+			} else {
+				buf = escapeStringQuotes(buf, v)
+			}
+			buf = append(buf, '\'')
+		default:
+			return "", driver.ErrSkip
+		}
+
+		if len(buf)+4 > mc.maxPacketAllowed {
+			return "", driver.ErrSkip
+		}
+	}
+	if argPos != len(args) {
+		return "", driver.ErrSkip
+	}
+	return string(buf), nil
+}
+
 func (mc *mysqlConn) Exec(query string, args []driver.Value) (driver.Result, error) {
 	if mc.netConn == nil {
 		errLog.Print(ErrInvalidConn)
 		return nil, driver.ErrBadConn
 	}
-	if len(args) == 0 { // no args, fastpath
-		mc.affectedRows = 0
-		mc.insertId = 0
-
-		err := mc.exec(query)
-		if err == nil {
-			return &mysqlResult{
-				affectedRows: int64(mc.affectedRows),
-				insertId:     int64(mc.insertId),
-			}, err
+	if len(args) != 0 {
+		if !mc.cfg.InterpolateParams {
+			return nil, driver.ErrSkip
 		}
-		return nil, err
+		// try to interpolate the parameters to save extra roundtrips for preparing and closing a statement
+		prepared, err := mc.interpolateParams(query, args)
+		if err != nil {
+			return nil, err
+		}
+		query = prepared
+		args = nil
 	}
+	mc.affectedRows = 0
+	mc.insertId = 0
 
-	// with args, must use prepared stmt
-	return nil, driver.ErrSkip
-
+	err := mc.exec(query)
+	if err == nil {
+		return &mysqlResult{
+			affectedRows: int64(mc.affectedRows),
+			insertId:     int64(mc.insertId),
+		}, err
+	}
+	return nil, err
 }
 
 // Internal function to execute commands
@@ -211,31 +307,38 @@ func (mc *mysqlConn) Query(query string, args []driver.Value) (driver.Rows, erro
 		errLog.Print(ErrInvalidConn)
 		return nil, driver.ErrBadConn
 	}
-	if len(args) == 0 { // no args, fastpath
-		// Send command
-		err := mc.writeCommandPacketStr(comQuery, query)
+	if len(args) != 0 {
+		if !mc.cfg.InterpolateParams {
+			return nil, driver.ErrSkip
+		}
+		// try client-side prepare to reduce roundtrip
+		prepared, err := mc.interpolateParams(query, args)
+		if err != nil {
+			return nil, err
+		}
+		query = prepared
+		args = nil
+	}
+	// Send command
+	err := mc.writeCommandPacketStr(comQuery, query)
+	if err == nil {
+		// Read Result
+		var resLen int
+		resLen, err = mc.readResultSetHeaderPacket()
 		if err == nil {
-			// Read Result
-			var resLen int
-			resLen, err = mc.readResultSetHeaderPacket()
-			if err == nil {
-				rows := new(textRows)
-				rows.mc = mc
-
-				if resLen == 0 {
-					// no columns, no more data
-					return emptyRows{}, nil
-				}
-				// Columns
-				rows.columns, err = mc.readColumns(resLen)
-				return rows, err
+			rows := new(textRows)
+			rows.mc = mc
+
+			if resLen == 0 {
+				// no columns, no more data
+				return emptyRows{}, nil
 			}
+			// Columns
+			rows.columns, err = mc.readColumns(resLen)
+			return rows, err
 		}
-		return nil, err
 	}
-
-	// with args, must use prepared stmt
-	return nil, driver.ErrSkip
+	return nil, err
 }
 
 // Gets the value of the given MySQL System Variable
@@ -251,6 +354,7 @@ func (mc *mysqlConn) getSystemVar(name string) ([]byte, error) {
 	if err == nil {
 		rows := new(textRows)
 		rows.mc = mc
+		rows.columns = []mysqlField{{fieldType: fieldTypeVarChar}}
 
 		if resLen > 0 {
 			// Columns

Godeps/_workspace/src/github.com/go-sql-driver/mysql/const.go

@@ -24,6 +24,7 @@ const (
 	iERR         byte = 0xff
 )
 
+// https://dev.mysql.com/doc/internals/en/capability-flags.html#packet-Protocol::CapabilityFlags
 type clientFlag uint32
 
 const (
@@ -45,6 +46,13 @@ const (
 	clientSecureConn
 	clientMultiStatements
 	clientMultiResults
+	clientPSMultiResults
+	clientPluginAuth
+	clientConnectAttrs
+	clientPluginAuthLenEncClientData
+	clientCanHandleExpiredPasswords
+	clientSessionTrack
+	clientDeprecateEOF
 )
 
 const (
@@ -68,7 +76,7 @@ const (
 	comBinlogDump
 	comTableDump
 	comConnectOut
-	comRegiserSlave
+	comRegisterSlave
 	comStmtPrepare
 	comStmtExecute
 	comStmtSendLongData
@@ -78,6 +86,7 @@ const (
 	comStmtFetch
 )
 
+// https://dev.mysql.com/doc/internals/en/com-query-response.html#packet-Protocol::ColumnType
 const (
 	fieldTypeDecimal byte = iota
 	fieldTypeTiny
@@ -98,7 +107,8 @@ const (
 	fieldTypeBit
 )
 const (
-	fieldTypeNewDecimal byte = iota + 0xf6
+	fieldTypeJSON byte = iota + 0xf5
+	fieldTypeNewDecimal
 	fieldTypeEnum
 	fieldTypeSet
 	fieldTypeTinyBLOB
@@ -130,3 +140,24 @@ const (
 	flagUnknown3
 	flagUnknown4
 )
+
+// http://dev.mysql.com/doc/internals/en/status-flags.html
+type statusFlag uint16
+
+const (
+	statusInTrans statusFlag = 1 << iota
+	statusInAutocommit
+	statusReserved // Not in documentation
+	statusMoreResultsExists
+	statusNoGoodIndexUsed
+	statusNoIndexUsed
+	statusCursorExists
+	statusLastRowSent
+	statusDbDropped
+	statusNoBackslashEscapes
+	statusMetadataChanged
+	statusQueryWasSlow
+	statusPsOutParams
+	statusInTransReadonly
+	statusSessionStateChanged
+)

Godeps/_workspace/src/github.com/go-sql-driver/mysql/driver.go

@@ -4,7 +4,7 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at http://mozilla.org/MPL/2.0/.
 
-// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
+// Package mysql provides a MySQL driver for Go's database/sql package
 //
 // The driver should be used via the database/sql package:
 //
@@ -22,7 +22,7 @@ import (
 	"net"
 )
 
-// This struct is exported to make the driver directly accessible.
+// MySQLDriver is exported to make the driver directly accessible.
 // In general the driver is used via the database/sql package.
 type MySQLDriver struct{}
 
@@ -53,17 +53,19 @@ func (d MySQLDriver) Open(dsn string) (driver.Conn, error) {
 		maxPacketAllowed: maxPacketSize,
 		maxWriteSize:     maxPacketSize - 1,
 	}
-	mc.cfg, err = parseDSN(dsn)
+	mc.cfg, err = ParseDSN(dsn)
 	if err != nil {
 		return nil, err
 	}
+	mc.parseTime = mc.cfg.ParseTime
+	mc.strict = mc.cfg.Strict
 
 	// Connect to Server
-	if dial, ok := dials[mc.cfg.net]; ok {
-		mc.netConn, err = dial(mc.cfg.addr)
+	if dial, ok := dials[mc.cfg.Net]; ok {
+		mc.netConn, err = dial(mc.cfg.Addr)
 	} else {
-		nd := net.Dialer{Timeout: mc.cfg.timeout}
-		mc.netConn, err = nd.Dial(mc.cfg.net, mc.cfg.addr)
+		nd := net.Dialer{Timeout: mc.cfg.Timeout}
+		mc.netConn, err = nd.Dial(mc.cfg.Net, mc.cfg.Addr)
 	}
 	if err != nil {
 		return nil, err
@@ -72,44 +74,39 @@ func (d MySQLDriver) Open(dsn string) (driver.Conn, error) {
 	// Enable TCP Keepalives on TCP connections
 	if tc, ok := mc.netConn.(*net.TCPConn); ok {
 		if err := tc.SetKeepAlive(true); err != nil {
-			mc.Close()
+			// Don't send COM_QUIT before handshake.
+			mc.netConn.Close()
+			mc.netConn = nil
 			return nil, err
 		}
 	}
 
 	mc.buf = newBuffer(mc.netConn)
 
+	// Set I/O timeouts
+	mc.buf.timeout = mc.cfg.ReadTimeout
+	mc.writeTimeout = mc.cfg.WriteTimeout
+
 	// Reading Handshake Initialization Packet
 	cipher, err := mc.readInitPacket()
 	if err != nil {
-		mc.Close()
+		mc.cleanup()
 		return nil, err
 	}
 
 	// Send Client Authentication Packet
 	if err = mc.writeAuthPacket(cipher); err != nil {
-		mc.Close()
+		mc.cleanup()
 		return nil, err
 	}
 
-	// Read Result Packet
-	err = mc.readResultOK()
-	if err != nil {
-		// Retry with old authentication method, if allowed
-		if mc.cfg != nil && mc.cfg.allowOldPasswords && err == ErrOldPassword {
-			if err = mc.writeOldAuthPacket(cipher); err != nil {
-				mc.Close()
-				return nil, err
-			}
-			if err = mc.readResultOK(); err != nil {
-				mc.Close()
-				return nil, err
-			}
-		} else {
-			mc.Close()
-			return nil, err
-		}
-
+	// Handle response to auth packet, switch methods if possible
+	if err = handleAuthResult(mc, cipher); err != nil {
+		// Authentication failed and MySQL has already closed the connection
+		// (https://dev.mysql.com/doc/internals/en/authentication-fails.html).
+		// Do not send COM_QUIT, just cleanup and return the error.
+		mc.cleanup()
+		return nil, err
 	}
 
 	// Get max allowed packet size
@@ -133,6 +130,38 @@ func (d MySQLDriver) Open(dsn string) (driver.Conn, error) {
 	return mc, nil
 }
 
+func handleAuthResult(mc *mysqlConn, cipher []byte) error {
+	// Read Result Packet
+	err := mc.readResultOK()
+	if err == nil {
+		return nil // auth successful
+	}
+
+	if mc.cfg == nil {
+		return err // auth failed and retry not possible
+	}
+
+	// Retry auth if configured to do so.
+	if mc.cfg.AllowOldPasswords && err == ErrOldPassword {
+		// Retry with old authentication method. Note: there are edge cases
+		// where this should work but doesn't; this is currently "wontfix":
+		// https://github.com/go-sql-driver/mysql/issues/184
+		if err = mc.writeOldAuthPacket(cipher); err != nil {
+			return err
+		}
+		err = mc.readResultOK()
+	} else if mc.cfg.AllowCleartextPasswords && err == ErrCleartextPassword {
+		// Retry with clear text password for
+		// http://dev.mysql.com/doc/refman/5.7/en/cleartext-authentication-plugin.html
+		// http://dev.mysql.com/doc/refman/5.7/en/pam-authentication-plugin.html
+		if err = mc.writeClearAuthPacket(); err != nil {
+			return err
+		}
+		err = mc.readResultOK()
+	}
+	return err
+}
+
 func init() {
 	sql.Register("mysql", &MySQLDriver{})
 }

Godeps/_workspace/src/github.com/go-sql-driver/mysql/driver_test.go

@@ -9,12 +9,14 @@
 package mysql
 
 import (
+	"bytes"
 	"crypto/tls"
 	"database/sql"
 	"database/sql/driver"
 	"fmt"
 	"io"
 	"io/ioutil"
+	"log"
 	"net"
 	"net/url"
 	"os"
@@ -74,23 +76,75 @@ type DBTest struct {
 	db *sql.DB
 }
 
+func runTestsWithMultiStatement(t *testing.T, dsn string, tests ...func(dbt *DBTest)) {
+	if !available {
+		t.Skipf("MySQL server not running on %s", netAddr)
+	}
+
+	dsn += "&multiStatements=true"
+	var db *sql.DB
+	if _, err := ParseDSN(dsn); err != errInvalidDSNUnsafeCollation {
+		db, err = sql.Open("mysql", dsn)
+		if err != nil {
+			t.Fatalf("error connecting: %s", err.Error())
+		}
+		defer db.Close()
+	}
+
+	dbt := &DBTest{t, db}
+	for _, test := range tests {
+		test(dbt)
+		dbt.db.Exec("DROP TABLE IF EXISTS test")
+	}
+}
+
 func runTests(t *testing.T, dsn string, tests ...func(dbt *DBTest)) {
 	if !available {
-		t.Skipf("MySQL-Server not running on %s", netAddr)
+		t.Skipf("MySQL server not running on %s", netAddr)
 	}
 
 	db, err := sql.Open("mysql", dsn)
 	if err != nil {
-		t.Fatalf("Error connecting: %s", err.Error())
+		t.Fatalf("error connecting: %s", err.Error())
 	}
 	defer db.Close()
 
 	db.Exec("DROP TABLE IF EXISTS test")
 
+	dsn2 := dsn + "&interpolateParams=true"
+	var db2 *sql.DB
+	if _, err := ParseDSN(dsn2); err != errInvalidDSNUnsafeCollation {
+		db2, err = sql.Open("mysql", dsn2)
+		if err != nil {
+			t.Fatalf("error connecting: %s", err.Error())
+		}
+		defer db2.Close()
+	}
+
+	dsn3 := dsn + "&multiStatements=true"
+	var db3 *sql.DB
+	if _, err := ParseDSN(dsn3); err != errInvalidDSNUnsafeCollation {
+		db3, err = sql.Open("mysql", dsn3)
+		if err != nil {
+			t.Fatalf("error connecting: %s", err.Error())
+		}
+		defer db3.Close()
+	}
+
 	dbt := &DBTest{t, db}
+	dbt2 := &DBTest{t, db2}
+	dbt3 := &DBTest{t, db3}
 	for _, test := range tests {
 		test(dbt)
 		dbt.db.Exec("DROP TABLE IF EXISTS test")
+		if db2 != nil {
+			test(dbt2)
+			dbt2.db.Exec("DROP TABLE IF EXISTS test")
+		}
+		if db3 != nil {
+			test(dbt3)
+			dbt3.db.Exec("DROP TABLE IF EXISTS test")
+		}
 	}
 }
 
@@ -98,13 +152,13 @@ func (dbt *DBTest) fail(method, query string, err error) {
 	if len(query) > 300 {
 		query = "[query too large to print]"
 	}
-	dbt.Fatalf("Error on %s %s: %s", method, query, err.Error())
+	dbt.Fatalf("error on %s %s: %s", method, query, err.Error())
 }
 
 func (dbt *DBTest) mustExec(query string, args ...interface{}) (res sql.Result) {
 	res, err := dbt.db.Exec(query, args...)
 	if err != nil {
-		dbt.fail("Exec", query, err)
+		dbt.fail("exec", query, err)
 	}
 	return res
 }
@@ -112,7 +166,7 @@ func (dbt *DBTest) mustExec(query string, args ...interface{}) (res sql.Result)
 func (dbt *DBTest) mustQuery(query string, args ...interface{}) (rows *sql.Rows) {
 	rows, err := dbt.db.Query(query, args...)
 	if err != nil {
-		dbt.fail("Query", query, err)
+		dbt.fail("query", query, err)
 	}
 	return rows
 }
@@ -123,7 +177,7 @@ func TestEmptyQuery(t *testing.T) {
 		rows := dbt.mustQuery("--")
 		// will hang before #255
 		if rows.Next() {
-			dbt.Errorf("Next on rows must be false")
+			dbt.Errorf("next on rows must be false")
 		}
 	})
 }
@@ -147,7 +201,7 @@ func TestCRUD(t *testing.T) {
 			dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
 		}
 		if count != 1 {
-			dbt.Fatalf("Expected 1 affected row, got %d", count)
+			dbt.Fatalf("expected 1 affected row, got %d", count)
 		}
 
 		id, err := res.LastInsertId()
@@ -155,7 +209,7 @@ func TestCRUD(t *testing.T) {
 			dbt.Fatalf("res.LastInsertId() returned error: %s", err.Error())
 		}
 		if id != 0 {
-			dbt.Fatalf("Expected InsertID 0, got %d", id)
+			dbt.Fatalf("expected InsertId 0, got %d", id)
 		}
 
 		// Read
@@ -180,7 +234,7 @@ func TestCRUD(t *testing.T) {
 			dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
 		}
 		if count != 1 {
-			dbt.Fatalf("Expected 1 affected row, got %d", count)
+			dbt.Fatalf("expected 1 affected row, got %d", count)
 		}
 
 		// Check Update
@@ -205,7 +259,7 @@ func TestCRUD(t *testing.T) {
 			dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
 		}
 		if count != 1 {
-			dbt.Fatalf("Expected 1 affected row, got %d", count)
+			dbt.Fatalf("expected 1 affected row, got %d", count)
 		}
 
 		// Check for unexpected rows
@@ -215,8 +269,52 @@ func TestCRUD(t *testing.T) {
 			dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
 		}
 		if count != 0 {
-			dbt.Fatalf("Expected 0 affected row, got %d", count)
+			dbt.Fatalf("expected 0 affected row, got %d", count)
+		}
+	})
+}
+
+func TestMultiQuery(t *testing.T) {
+	runTestsWithMultiStatement(t, dsn, func(dbt *DBTest) {
+		// Create Table
+		dbt.mustExec("CREATE TABLE `test` (`id` int(11) NOT NULL, `value` int(11) NOT NULL) ")
+
+		// Create Data
+		res := dbt.mustExec("INSERT INTO test VALUES (1, 1)")
+		count, err := res.RowsAffected()
+		if err != nil {
+			dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
+		}
+		if count != 1 {
+			dbt.Fatalf("expected 1 affected row, got %d", count)
+		}
+
+		// Update
+		res = dbt.mustExec("UPDATE test SET value = 3 WHERE id = 1; UPDATE test SET value = 4 WHERE id = 1; UPDATE test SET value = 5 WHERE id = 1;")
+		count, err = res.RowsAffected()
+		if err != nil {
+			dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error())
+		}
+		if count != 1 {
+			dbt.Fatalf("expected 1 affected row, got %d", count)
 		}
+
+		// Read
+		var out int
+		rows := dbt.mustQuery("SELECT value FROM test WHERE id=1;")
+		if rows.Next() {
+			rows.Scan(&out)
+			if 5 != out {
+				dbt.Errorf("5 != %t", out)
+			}
+
+			if rows.Next() {
+				dbt.Error("unexpected data")
+			}
+		} else {
+			dbt.Error("no data")
+		}
+
 	})
 }
 
@@ -636,14 +734,14 @@ func TestNULL(t *testing.T) {
 			dbt.Fatal(err)
 		}
 		if nb.Valid {
-			dbt.Error("Valid NullBool which should be invalid")
+			dbt.Error("valid NullBool which should be invalid")
 		}
 		// Valid
 		if err = nonNullStmt.QueryRow().Scan(&nb); err != nil {
 			dbt.Fatal(err)
 		}
 		if !nb.Valid {
-			dbt.Error("Invalid NullBool which should be valid")
+			dbt.Error("invalid NullBool which should be valid")
 		} else if nb.Bool != true {
 			dbt.Errorf("Unexpected NullBool value: %t (should be true)", nb.Bool)
 		}
@@ -655,16 +753,16 @@ func TestNULL(t *testing.T) {
 			dbt.Fatal(err)
 		}
 		if nf.Valid {
-			dbt.Error("Valid NullFloat64 which should be invalid")
+			dbt.Error("valid NullFloat64 which should be invalid")
 		}
 		// Valid
 		if err = nonNullStmt.QueryRow().Scan(&nf); err != nil {
 			dbt.Fatal(err)
 		}
 		if !nf.Valid {
-			dbt.Error("Invalid NullFloat64 which should be valid")
+			dbt.Error("invalid NullFloat64 which should be valid")
 		} else if nf.Float64 != float64(1) {
-			dbt.Errorf("Unexpected NullFloat64 value: %f (should be 1.0)", nf.Float64)
+			dbt.Errorf("unexpected NullFloat64 value: %f (should be 1.0)", nf.Float64)
 		}
 
 		// NullInt64
@@ -674,16 +772,16 @@ func TestNULL(t *testing.T) {
 			dbt.Fatal(err)
 		}
 		if ni.Valid {
-			dbt.Error("Valid NullInt64 which should be invalid")
+			dbt.Error("valid NullInt64 which should be invalid")
 		}
 		// Valid
 		if err = nonNullStmt.QueryRow().Scan(&ni); err != nil {
 			dbt.Fatal(err)
 		}
 		if !ni.Valid {
-			dbt.Error("Invalid NullInt64 which should be valid")
+			dbt.Error("invalid NullInt64 which should be valid")
 		} else if ni.Int64 != int64(1) {
-			dbt.Errorf("Unexpected NullInt64 value: %d (should be 1)", ni.Int64)
+			dbt.Errorf("unexpected NullInt64 value: %d (should be 1)", ni.Int64)
 		}
 
 		// NullString
@@ -693,16 +791,16 @@ func TestNULL(t *testing.T) {
 			dbt.Fatal(err)
 		}
 		if ns.Valid {
-			dbt.Error("Valid NullString which should be invalid")
+			dbt.Error("valid NullString which should be invalid")
 		}
 		// Valid
 		if err = nonNullStmt.QueryRow().Scan(&ns); err != nil {
 			dbt.Fatal(err)
 		}
 		if !ns.Valid {
-			dbt.Error("Invalid NullString which should be valid")
+			dbt.Error("invalid NullString which should be valid")
 		} else if ns.String != `1` {
-			dbt.Error("Unexpected NullString value:" + ns.String + " (should be `1`)")
+			dbt.Error("unexpected NullString value:" + ns.String + " (should be `1`)")
 		}
 
 		// nil-bytes
@@ -712,14 +810,14 @@ func TestNULL(t *testing.T) {
 			dbt.Fatal(err)
 		}
 		if b != nil {
-			dbt.Error("Non-nil []byte wich should be nil")
+			dbt.Error("non-nil []byte wich should be nil")
 		}
 		// Read non-nil
 		if err = nonNullStmt.QueryRow().Scan(&b); err != nil {
 			dbt.Fatal(err)
 		}
 		if b == nil {
-			dbt.Error("Nil []byte wich should be non-nil")
+			dbt.Error("nil []byte wich should be non-nil")
 		}
 		// Insert nil
 		b = nil
@@ -728,7 +826,7 @@ func TestNULL(t *testing.T) {
 			dbt.Fatal(err)
 		}
 		if !success {
-			dbt.Error("Inserting []byte(nil) as NULL failed")
+			dbt.Error("inserting []byte(nil) as NULL failed")
 		}
 		// Check input==output with input==nil
 		b = nil
@@ -736,7 +834,7 @@ func TestNULL(t *testing.T) {
 			dbt.Fatal(err)
 		}
 		if b != nil {
-			dbt.Error("Non-nil echo from nil input")
+			dbt.Error("non-nil echo from nil input")
 		}
 		// Check input==output with input!=nil
 		b = []byte("")
@@ -765,6 +863,49 @@ func TestNULL(t *testing.T) {
 	})
 }
 
+func TestUint64(t *testing.T) {
+	const (
+		u0    = uint64(0)
+		uall  = ^u0
+		uhigh = uall >> 1
+		utop  = ^uhigh
+		s0    = int64(0)
+		sall  = ^s0
+		shigh = int64(uhigh)
+		stop  = ^shigh
+	)
+	runTests(t, dsn, func(dbt *DBTest) {
+		stmt, err := dbt.db.Prepare(`SELECT ?, ?, ? ,?, ?, ?, ?, ?`)
+		if err != nil {
+			dbt.Fatal(err)
+		}
+		defer stmt.Close()
+		row := stmt.QueryRow(
+			u0, uhigh, utop, uall,
+			s0, shigh, stop, sall,
+		)
+
+		var ua, ub, uc, ud uint64
+		var sa, sb, sc, sd int64
+
+		err = row.Scan(&ua, &ub, &uc, &ud, &sa, &sb, &sc, &sd)
+		if err != nil {
+			dbt.Fatal(err)
+		}
+		switch {
+		case ua != u0,
+			ub != uhigh,
+			uc != utop,
+			ud != uall,
+			sa != s0,
+			sb != shigh,
+			sc != stop,
+			sd != sall:
+			dbt.Fatal("unexpected result value")
+		}
+	})
+}
+
 func TestLongData(t *testing.T) {
 	runTests(t, dsn, func(dbt *DBTest) {
 		var maxAllowedPacketSize int
@@ -855,7 +996,7 @@ func TestLoadData(t *testing.T) {
 					dbt.Fatalf("%d != %d", i, id)
 				}
 				if values[i-1] != value {
-					dbt.Fatalf("%s != %s", values[i-1], value)
+					dbt.Fatalf("%q != %q", values[i-1], value)
 				}
 			}
 			err = rows.Err()
@@ -864,7 +1005,7 @@ func TestLoadData(t *testing.T) {
 			}
 
 			if i != 4 {
-				dbt.Fatalf("Rows count mismatch. Got %d, want 4", i)
+				dbt.Fatalf("rows count mismatch. Got %d, want 4", i)
 			}
 		}
 		file, err := ioutil.TempFile("", "gotest")
@@ -880,13 +1021,13 @@ func TestLoadData(t *testing.T) {
 
 		// Local File
 		RegisterLocalFile(file.Name())
-		dbt.mustExec(fmt.Sprintf("LOAD DATA LOCAL INFILE '%q' INTO TABLE test", file.Name()))
+		dbt.mustExec(fmt.Sprintf("LOAD DATA LOCAL INFILE %q INTO TABLE test", file.Name()))
 		verifyLoadDataResult()
 		// negative test
 		_, err = dbt.db.Exec("LOAD DATA LOCAL INFILE 'doesnotexist' INTO TABLE test")
 		if err == nil {
-			dbt.Fatal("Load non-existent file didn't fail")
-		} else if err.Error() != "Local File 'doesnotexist' is not registered. Use the DSN parameter 'allowAllFiles=true' to allow all files" {
+			dbt.Fatal("load non-existent file didn't fail")
+		} else if err.Error() != "local file 'doesnotexist' is not registered" {
 			dbt.Fatal(err.Error())
 		}
 
@@ -906,7 +1047,7 @@ func TestLoadData(t *testing.T) {
 		// negative test
 		_, err = dbt.db.Exec("LOAD DATA LOCAL INFILE 'Reader::doesnotexist' INTO TABLE test")
 		if err == nil {
-			dbt.Fatal("Load non-existent Reader didn't fail")
+			dbt.Fatal("load non-existent Reader didn't fail")
 		} else if err.Error() != "Reader 'doesnotexist' is not registered" {
 			dbt.Fatal(err.Error())
 		}
@@ -960,7 +1101,7 @@ func TestFoundRows(t *testing.T) {
 
 func TestStrict(t *testing.T) {
 	// ALLOW_INVALID_DATES to get rid of stricter modes - we want to test for warnings, not errors
-	relaxedDsn := dsn + "&sql_mode=ALLOW_INVALID_DATES"
+	relaxedDsn := dsn + "&sql_mode='ALLOW_INVALID_DATES,NO_AUTO_CREATE_USER'"
 	// make sure the MySQL version is recent enough with a separate connection
 	// before running the test
 	conn, err := MySQLDriver{}.Open(relaxedDsn)
@@ -986,7 +1127,7 @@ func TestStrict(t *testing.T) {
 
 		var checkWarnings = func(err error, mode string, idx int) {
 			if err == nil {
-				dbt.Errorf("Expected STRICT error on query [%s] %s", mode, queries[idx].in)
+				dbt.Errorf("expected STRICT error on query [%s] %s", mode, queries[idx].in)
 			}
 
 			if warnings, ok := err.(MySQLWarnings); ok {
@@ -995,18 +1136,18 @@ func TestStrict(t *testing.T) {
 					codes[i] = warnings[i].Code
 				}
 				if len(codes) != len(queries[idx].codes) {
-					dbt.Errorf("Unexpected STRICT error count on query [%s] %s: Wanted %v, Got %v", mode, queries[idx].in, queries[idx].codes, codes)
+					dbt.Errorf("unexpected STRICT error count on query [%s] %s: Wanted %v, Got %v", mode, queries[idx].in, queries[idx].codes, codes)
 				}
 
 				for i := range warnings {
 					if codes[i] != queries[idx].codes[i] {
-						dbt.Errorf("Unexpected STRICT error codes on query [%s] %s: Wanted %v, Got %v", mode, queries[idx].in, queries[idx].codes, codes)
+						dbt.Errorf("unexpected STRICT error codes on query [%s] %s: Wanted %v, Got %v", mode, queries[idx].in, queries[idx].codes, codes)
 						return
 					}
 				}
 
 			} else {
-				dbt.Errorf("Unexpected error on query [%s] %s: %s", mode, queries[idx].in, err.Error())
+				dbt.Errorf("unexpected error on query [%s] %s: %s", mode, queries[idx].in, err.Error())
 			}
 		}
 
@@ -1022,7 +1163,7 @@ func TestStrict(t *testing.T) {
 		for i := range queries {
 			stmt, err = dbt.db.Prepare(queries[i].in)
 			if err != nil {
-				dbt.Errorf("Error on preparing query %s: %s", queries[i].in, err.Error())
+				dbt.Errorf("error on preparing query %s: %s", queries[i].in, err.Error())
 			}
 
 			_, err = stmt.Exec()
@@ -1030,7 +1171,7 @@ func TestStrict(t *testing.T) {
 
 			err = stmt.Close()
 			if err != nil {
-				dbt.Errorf("Error on closing stmt for query %s: %s", queries[i].in, err.Error())
+				dbt.Errorf("error on closing stmt for query %s: %s", queries[i].in, err.Error())
 			}
 		}
 	})
@@ -1040,9 +1181,9 @@ func TestTLS(t *testing.T) {
 	tlsTest := func(dbt *DBTest) {
 		if err := dbt.db.Ping(); err != nil {
 			if err == ErrNoTLS {
-				dbt.Skip("Server does not support TLS")
+				dbt.Skip("server does not support TLS")
 			} else {
-				dbt.Fatalf("Error on Ping: %s", err.Error())
+				dbt.Fatalf("error on Ping: %s", err.Error())
 			}
 		}
 
@@ -1055,7 +1196,7 @@ func TestTLS(t *testing.T) {
 			}
 
 			if value == nil {
-				dbt.Fatal("No Cipher")
+				dbt.Fatal("no Cipher")
 			}
 		}
 	}
@@ -1072,42 +1213,42 @@ func TestTLS(t *testing.T) {
 func TestReuseClosedConnection(t *testing.T) {
 	// this test does not use sql.database, it uses the driver directly
 	if !available {
-		t.Skipf("MySQL-Server not running on %s", netAddr)
+		t.Skipf("MySQL server not running on %s", netAddr)
 	}
 
 	md := &MySQLDriver{}
 	conn, err := md.Open(dsn)
 	if err != nil {
-		t.Fatalf("Error connecting: %s", err.Error())
+		t.Fatalf("error connecting: %s", err.Error())
 	}
 	stmt, err := conn.Prepare("DO 1")
 	if err != nil {
-		t.Fatalf("Error preparing statement: %s", err.Error())
+		t.Fatalf("error preparing statement: %s", err.Error())
 	}
 	_, err = stmt.Exec(nil)
 	if err != nil {
-		t.Fatalf("Error executing statement: %s", err.Error())
+		t.Fatalf("error executing statement: %s", err.Error())
 	}
 	err = conn.Close()
 	if err != nil {
-		t.Fatalf("Error closing connection: %s", err.Error())
+		t.Fatalf("error closing connection: %s", err.Error())
 	}
 
 	defer func() {
 		if err := recover(); err != nil {
-			t.Errorf("Panic after reusing a closed connection: %v", err)
+			t.Errorf("panic after reusing a closed connection: %v", err)
 		}
 	}()
 	_, err = stmt.Exec(nil)
 	if err != nil && err != driver.ErrBadConn {
-		t.Errorf("Unexpected error '%s', expected '%s'",
+		t.Errorf("unexpected error '%s', expected '%s'",
 			err.Error(), driver.ErrBadConn.Error())
 	}
 }
 
 func TestCharset(t *testing.T) {
 	if !available {
-		t.Skipf("MySQL-Server not running on %s", netAddr)
+		t.Skipf("MySQL server not running on %s", netAddr)
 	}
 
 	mustSetCharset := func(charsetParam, expected string) {
@@ -1116,14 +1257,14 @@ func TestCharset(t *testing.T) {
 			defer rows.Close()
 
 			if !rows.Next() {
-				dbt.Fatalf("Error getting connection charset: %s", rows.Err())
+				dbt.Fatalf("error getting connection charset: %s", rows.Err())
 			}
 
 			var got string
 			rows.Scan(&got)
 
 			if got != expected {
-				dbt.Fatalf("Expected connection charset %s but got %s", expected, got)
+				dbt.Fatalf("expected connection charset %s but got %s", expected, got)
 			}
 		})
 	}
@@ -1145,14 +1286,14 @@ func TestFailingCharset(t *testing.T) {
 		_, err := dbt.db.Exec("SELECT 1")
 		if err == nil {
 			dbt.db.Close()
-			t.Fatalf("Connection must not succeed without a valid charset")
+			t.Fatalf("connection must not succeed without a valid charset")
 		}
 	})
 }
 
 func TestCollation(t *testing.T) {
 	if !available {
-		t.Skipf("MySQL-Server not running on %s", netAddr)
+		t.Skipf("MySQL server not running on %s", netAddr)
 	}
 
 	defaultCollation := "utf8_general_ci"
@@ -1182,12 +1323,36 @@ func TestCollation(t *testing.T) {
 			}
 
 			if got != expected {
-				dbt.Fatalf("Expected connection collation %s but got %s", expected, got)
+				dbt.Fatalf("expected connection collation %s but got %s", expected, got)
 			}
 		})
 	}
 }
 
+func TestColumnsWithAlias(t *testing.T) {
+	runTests(t, dsn+"&columnsWithAlias=true", func(dbt *DBTest) {
+		rows := dbt.mustQuery("SELECT 1 AS A")
+		defer rows.Close()
+		cols, _ := rows.Columns()
+		if len(cols) != 1 {
+			t.Fatalf("expected 1 column, got %d", len(cols))
+		}
+		if cols[0] != "A" {
+			t.Fatalf("expected column name \"A\", got \"%s\"", cols[0])
+		}
+		rows.Close()
+
+		rows = dbt.mustQuery("SELECT * FROM (SELECT 1 AS one) AS A")
+		cols, _ = rows.Columns()
+		if len(cols) != 1 {
+			t.Fatalf("expected 1 column, got %d", len(cols))
+		}
+		if cols[0] != "A.one" {
+			t.Fatalf("expected column name \"A.one\", got \"%s\"", cols[0])
+		}
+	})
+}
+
 func TestRawBytesResultExceedsBuffer(t *testing.T) {
 	runTests(t, dsn, func(dbt *DBTest) {
 		// defaultBufSize from buffer.go
@@ -1223,7 +1388,7 @@ func TestTimezoneConversion(t *testing.T) {
 		// Retrieve time from DB
 		rows := dbt.mustQuery("SELECT ts FROM test")
 		if !rows.Next() {
-			dbt.Fatal("Didn't get any rows out")
+			dbt.Fatal("did not get any rows out")
 		}
 
 		var dbTime time.Time
@@ -1234,7 +1399,7 @@ func TestTimezoneConversion(t *testing.T) {
 
 		// Check that dates match
 		if reftime.Unix() != dbTime.Unix() {
-			dbt.Errorf("Times don't match.\n")
+			dbt.Errorf("times do not match.\n")
 			dbt.Errorf(" Now(%v)=%v\n", usCentral, reftime)
 			dbt.Errorf(" Now(UTC)=%v\n", dbTime)
 		}
@@ -1260,7 +1425,7 @@ func TestRowsClose(t *testing.T) {
 		}
 
 		if rows.Next() {
-			dbt.Fatal("Unexpected row after rows.Close()")
+			dbt.Fatal("unexpected row after rows.Close()")
 		}
 
 		err = rows.Err()
@@ -1292,7 +1457,7 @@ func TestCloseStmtBeforeRows(t *testing.T) {
 		}
 
 		if !rows.Next() {
-			dbt.Fatal("Getting row failed")
+			dbt.Fatal("getting row failed")
 		} else {
 			err = rows.Err()
 			if err != nil {
@@ -1302,7 +1467,7 @@ func TestCloseStmtBeforeRows(t *testing.T) {
 			var out bool
 			err = rows.Scan(&out)
 			if err != nil {
-				dbt.Fatalf("Error on rows.Scan(): %s", err.Error())
+				dbt.Fatalf("error on rows.Scan(): %s", err.Error())
 			}
 			if out != true {
 				dbt.Errorf("true != %t", out)
@@ -1338,7 +1503,7 @@ func TestStmtMultiRows(t *testing.T) {
 
 		// 1
 		if !rows1.Next() {
-			dbt.Fatal("1st rows1.Next failed")
+			dbt.Fatal("first rows1.Next failed")
 		} else {
 			err = rows1.Err()
 			if err != nil {
@@ -1347,7 +1512,7 @@ func TestStmtMultiRows(t *testing.T) {
 
 			err = rows1.Scan(&out)
 			if err != nil {
-				dbt.Fatalf("Error on rows.Scan(): %s", err.Error())
+				dbt.Fatalf("error on rows.Scan(): %s", err.Error())
 			}
 			if out != true {
 				dbt.Errorf("true != %t", out)
@@ -1355,7 +1520,7 @@ func TestStmtMultiRows(t *testing.T) {
 		}
 
 		if !rows2.Next() {
-			dbt.Fatal("1st rows2.Next failed")
+			dbt.Fatal("first rows2.Next failed")
 		} else {
 			err = rows2.Err()
 			if err != nil {
@@ -1364,7 +1529,7 @@ func TestStmtMultiRows(t *testing.T) {
 
 			err = rows2.Scan(&out)
 			if err != nil {
-				dbt.Fatalf("Error on rows.Scan(): %s", err.Error())
+				dbt.Fatalf("error on rows.Scan(): %s", err.Error())
 			}
 			if out != true {
 				dbt.Errorf("true != %t", out)
@@ -1373,7 +1538,7 @@ func TestStmtMultiRows(t *testing.T) {
 
 		// 2
 		if !rows1.Next() {
-			dbt.Fatal("2nd rows1.Next failed")
+			dbt.Fatal("second rows1.Next failed")
 		} else {
 			err = rows1.Err()
 			if err != nil {
@@ -1382,14 +1547,14 @@ func TestStmtMultiRows(t *testing.T) {
 
 			err = rows1.Scan(&out)
 			if err != nil {
-				dbt.Fatalf("Error on rows.Scan(): %s", err.Error())
+				dbt.Fatalf("error on rows.Scan(): %s", err.Error())
 			}
 			if out != false {
 				dbt.Errorf("false != %t", out)
 			}
 
 			if rows1.Next() {
-				dbt.Fatal("Unexpected row on rows1")
+				dbt.Fatal("unexpected row on rows1")
 			}
 			err = rows1.Close()
 			if err != nil {
@@ -1398,7 +1563,7 @@ func TestStmtMultiRows(t *testing.T) {
 		}
 
 		if !rows2.Next() {
-			dbt.Fatal("2nd rows2.Next failed")
+			dbt.Fatal("second rows2.Next failed")
 		} else {
 			err = rows2.Err()
 			if err != nil {
@@ -1407,14 +1572,14 @@ func TestStmtMultiRows(t *testing.T) {
 
 			err = rows2.Scan(&out)
 			if err != nil {
-				dbt.Fatalf("Error on rows.Scan(): %s", err.Error())
+				dbt.Fatalf("error on rows.Scan(): %s", err.Error())
 			}
 			if out != false {
 				dbt.Errorf("false != %t", out)
 			}
 
 			if rows2.Next() {
-				dbt.Fatal("Unexpected row on rows2")
+				dbt.Fatal("unexpected row on rows2")
 			}
 			err = rows2.Close()
 			if err != nil {
@@ -1459,7 +1624,7 @@ func TestConcurrent(t *testing.T) {
 		if err != nil {
 			dbt.Fatalf("%s", err.Error())
 		}
-		dbt.Logf("Testing up to %d concurrent connections \r\n", max)
+		dbt.Logf("testing up to %d concurrent connections \r\n", max)
 
 		var remaining, succeeded int32 = int32(max), 0
 
@@ -1483,7 +1648,7 @@ func TestConcurrent(t *testing.T) {
 
 				if err != nil {
 					if err.Error() != "Error 1040: Too many connections" {
-						fatalf("Error on Conn %d: %s", id, err.Error())
+						fatalf("error on conn %d: %s", id, err.Error())
 					}
 					return
 				}
@@ -1491,13 +1656,13 @@ func TestConcurrent(t *testing.T) {
 				// keep the connection busy until all connections are open
 				for remaining > 0 {
 					if _, err = tx.Exec("DO 1"); err != nil {
-						fatalf("Error on Conn %d: %s", id, err.Error())
+						fatalf("error on conn %d: %s", id, err.Error())
 						return
 					}
 				}
 
 				if err = tx.Commit(); err != nil {
-					fatalf("Error on Conn %d: %s", id, err.Error())
+					fatalf("error on conn %d: %s", id, err.Error())
 					return
 				}
 
@@ -1513,14 +1678,14 @@ func TestConcurrent(t *testing.T) {
 			dbt.Fatal(fatalError)
 		}
 
-		dbt.Logf("Reached %d concurrent connections\r\n", succeeded)
+		dbt.Logf("reached %d concurrent connections\r\n", succeeded)
 	})
 }
 
 // Tests custom dial functions
 func TestCustomDial(t *testing.T) {
 	if !available {
-		t.Skipf("MySQL-Server not running on %s", netAddr)
+		t.Skipf("MySQL server not running on %s", netAddr)
 	}
 
 	// our custom dial function which justs wraps net.Dial here
@@ -1530,11 +1695,117 @@ func TestCustomDial(t *testing.T) {
 
 	db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@mydial(%s)/%s?timeout=30s&strict=true", user, pass, addr, dbname))
 	if err != nil {
-		t.Fatalf("Error connecting: %s", err.Error())
+		t.Fatalf("error connecting: %s", err.Error())
 	}
 	defer db.Close()
 
 	if _, err = db.Exec("DO 1"); err != nil {
-		t.Fatalf("Connection failed: %s", err.Error())
+		t.Fatalf("connection failed: %s", err.Error())
 	}
 }
+
+func TestSQLInjection(t *testing.T) {
+	createTest := func(arg string) func(dbt *DBTest) {
+		return func(dbt *DBTest) {
+			dbt.mustExec("CREATE TABLE test (v INTEGER)")
+			dbt.mustExec("INSERT INTO test VALUES (?)", 1)
+
+			var v int
+			// NULL can't be equal to anything, the idea here is to inject query so it returns row
+			// This test verifies that escapeQuotes and escapeBackslash are working properly
+			err := dbt.db.QueryRow("SELECT v FROM test WHERE NULL = ?", arg).Scan(&v)
+			if err == sql.ErrNoRows {
+				return // success, sql injection failed
+			} else if err == nil {
+				dbt.Errorf("sql injection successful with arg: %s", arg)
+			} else {
+				dbt.Errorf("error running query with arg: %s; err: %s", arg, err.Error())
+			}
+		}
+	}
+
+	dsns := []string{
+		dsn,
+		dsn + "&sql_mode='NO_BACKSLASH_ESCAPES,NO_AUTO_CREATE_USER'",
+	}
+	for _, testdsn := range dsns {
+		runTests(t, testdsn, createTest("1 OR 1=1"))
+		runTests(t, testdsn, createTest("' OR '1'='1"))
+	}
+}
+
+// Test if inserted data is correctly retrieved after being escaped
+func TestInsertRetrieveEscapedData(t *testing.T) {
+	testData := func(dbt *DBTest) {
+		dbt.mustExec("CREATE TABLE test (v VARCHAR(255))")
+
+		// All sequences that are escaped by escapeQuotes and escapeBackslash
+		v := "foo \x00\n\r\x1a\"'\\"
+		dbt.mustExec("INSERT INTO test VALUES (?)", v)
+
+		var out string
+		err := dbt.db.QueryRow("SELECT v FROM test").Scan(&out)
+		if err != nil {
+			dbt.Fatalf("%s", err.Error())
+		}
+
+		if out != v {
+			dbt.Errorf("%q != %q", out, v)
+		}
+	}
+
+	dsns := []string{
+		dsn,
+		dsn + "&sql_mode='NO_BACKSLASH_ESCAPES,NO_AUTO_CREATE_USER'",
+	}
+	for _, testdsn := range dsns {
+		runTests(t, testdsn, testData)
+	}
+}
+
+func TestUnixSocketAuthFail(t *testing.T) {
+	runTests(t, dsn, func(dbt *DBTest) {
+		// Save the current logger so we can restore it.
+		oldLogger := errLog
+
+		// Set a new logger so we can capture its output.
+		buffer := bytes.NewBuffer(make([]byte, 0, 64))
+		newLogger := log.New(buffer, "prefix: ", 0)
+		SetLogger(newLogger)
+
+		// Restore the logger.
+		defer SetLogger(oldLogger)
+
+		// Make a new DSN that uses the MySQL socket file and a bad password, which
+		// we can make by simply appending any character to the real password.
+		badPass := pass + "x"
+		socket := ""
+		if prot == "unix" {
+			socket = addr
+		} else {
+			// Get socket file from MySQL.
+			err := dbt.db.QueryRow("SELECT @@socket").Scan(&socket)
+			if err != nil {
+				t.Fatalf("error on SELECT @@socket: %s", err.Error())
+			}
+		}
+		t.Logf("socket: %s", socket)
+		badDSN := fmt.Sprintf("%s:%s@unix(%s)/%s?timeout=30s&strict=true", user, badPass, socket, dbname)
+		db, err := sql.Open("mysql", badDSN)
+		if err != nil {
+			t.Fatalf("error connecting: %s", err.Error())
+		}
+		defer db.Close()
+
+		// Connect to MySQL for real. This will cause an auth failure.
+		err = db.Ping()
+		if err == nil {
+			t.Error("expected Ping() to return an error")
+		}
+
+		// The driver should not log anything.
+		if actual := buffer.String(); actual != "" {
+			t.Errorf("expected no output, got %q", actual)
+		}
+	})
+}

Godeps/_workspace/src/github.com/go-sql-driver/mysql/dsn.go

@@ -0,0 +1,513 @@
+// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
+//
+// Copyright 2016 The Go-MySQL-Driver Authors. All rights reserved.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package mysql
+
+import (
+	"bytes"
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"net"
+	"net/url"
+	"strings"
+	"time"
+)
+
+var (
+	errInvalidDSNUnescaped       = errors.New("invalid DSN: did you forget to escape a param value?")
+	errInvalidDSNAddr            = errors.New("invalid DSN: network address not terminated (missing closing brace)")
+	errInvalidDSNNoSlash         = errors.New("invalid DSN: missing the slash separating the database name")
+	errInvalidDSNUnsafeCollation = errors.New("invalid DSN: interpolateParams can not be used with unsafe collations")
+)
+
+// Config is a configuration parsed from a DSN string
+type Config struct {
+	User         string            // Username
+	Passwd       string            // Password
+	Net          string            // Network type
+	Addr         string            // Network address
+	DBName       string            // Database name
+	Params       map[string]string // Connection parameters
+	Collation    string            // Connection collation
+	Loc          *time.Location    // Location for time.Time values
+	TLSConfig    string            // TLS configuration name
+	tls          *tls.Config       // TLS configuration
+	Timeout      time.Duration     // Dial timeout
+	ReadTimeout  time.Duration     // I/O read timeout
+	WriteTimeout time.Duration     // I/O write timeout
+
+	AllowAllFiles           bool // Allow all files to be used with LOAD DATA LOCAL INFILE
+	AllowCleartextPasswords bool // Allows the cleartext client side plugin
+	AllowOldPasswords       bool // Allows the old insecure password method
+	ClientFoundRows         bool // Return number of matching rows instead of rows changed
+	ColumnsWithAlias        bool // Prepend table alias to column names
+	InterpolateParams       bool // Interpolate placeholders into query string
+	MultiStatements         bool // Allow multiple statements in one query
+	ParseTime               bool // Parse time values to time.Time
+	Strict                  bool // Return warnings as errors
+}
+
+// FormatDSN formats the given Config into a DSN string which can be passed to
+// the driver.
+func (cfg *Config) FormatDSN() string {
+	var buf bytes.Buffer
+
+	// [username[:password]@]
+	if len(cfg.User) > 0 {
+		buf.WriteString(cfg.User)
+		if len(cfg.Passwd) > 0 {
+			buf.WriteByte(':')
+			buf.WriteString(cfg.Passwd)
+		}
+		buf.WriteByte('@')
+	}
+
+	// [protocol[(address)]]
+	if len(cfg.Net) > 0 {
+		buf.WriteString(cfg.Net)
+		if len(cfg.Addr) > 0 {
+			buf.WriteByte('(')
+			buf.WriteString(cfg.Addr)
+			buf.WriteByte(')')
+		}
+	}
+
+	// /dbname
+	buf.WriteByte('/')
+	buf.WriteString(cfg.DBName)
+
+	// [?param1=value1&...&paramN=valueN]
+	hasParam := false
+
+	if cfg.AllowAllFiles {
+		hasParam = true
+		buf.WriteString("?allowAllFiles=true")
+	}
+
+	if cfg.AllowCleartextPasswords {
+		if hasParam {
+			buf.WriteString("&allowCleartextPasswords=true")
+		} else {
+			hasParam = true
+			buf.WriteString("?allowCleartextPasswords=true")
+		}
+	}
+
+	if cfg.AllowOldPasswords {
+		if hasParam {
+			buf.WriteString("&allowOldPasswords=true")
+		} else {
+			hasParam = true
+			buf.WriteString("?allowOldPasswords=true")
+		}
+	}
+
+	if cfg.ClientFoundRows {
+		if hasParam {
+			buf.WriteString("&clientFoundRows=true")
+		} else {
+			hasParam = true
+			buf.WriteString("?clientFoundRows=true")
+		}
+	}
+
+	if col := cfg.Collation; col != defaultCollation && len(col) > 0 {
+		if hasParam {
+			buf.WriteString("&collation=")
+		} else {
+			hasParam = true
+			buf.WriteString("?collation=")
+		}
+		buf.WriteString(col)
+	}
+
+	if cfg.ColumnsWithAlias {
+		if hasParam {
+			buf.WriteString("&columnsWithAlias=true")
+		} else {
+			hasParam = true
+			buf.WriteString("?columnsWithAlias=true")
+		}
+	}
+
+	if cfg.InterpolateParams {
+		if hasParam {
+			buf.WriteString("&interpolateParams=true")
+		} else {
+			hasParam = true
+			buf.WriteString("?interpolateParams=true")
+		}
+	}
+
+	if cfg.Loc != time.UTC && cfg.Loc != nil {
+		if hasParam {
+			buf.WriteString("&loc=")
+		} else {
+			hasParam = true
+			buf.WriteString("?loc=")
+		}
+		buf.WriteString(url.QueryEscape(cfg.Loc.String()))
+	}
+
+	if cfg.MultiStatements {
+		if hasParam {
+			buf.WriteString("&multiStatements=true")
+		} else {
+			hasParam = true
+			buf.WriteString("?multiStatements=true")
+		}
+	}
+
+	if cfg.ParseTime {
+		if hasParam {
+			buf.WriteString("&parseTime=true")
+		} else {
+			hasParam = true
+			buf.WriteString("?parseTime=true")
+		}
+	}
+
+	if cfg.ReadTimeout > 0 {
+		if hasParam {
+			buf.WriteString("&readTimeout=")
+		} else {
+			hasParam = true
+			buf.WriteString("?readTimeout=")
+		}
+		buf.WriteString(cfg.ReadTimeout.String())
+	}
+
+	if cfg.Strict {
+		if hasParam {
+			buf.WriteString("&strict=true")
+		} else {
+			hasParam = true
+			buf.WriteString("?strict=true")
+		}
+	}
+
+	if cfg.Timeout > 0 {
+		if hasParam {
+			buf.WriteString("&timeout=")
+		} else {
+			hasParam = true
+			buf.WriteString("?timeout=")
+		}
+		buf.WriteString(cfg.Timeout.String())
+	}
+
+	if len(cfg.TLSConfig) > 0 {
+		if hasParam {
+			buf.WriteString("&tls=")
+		} else {
+			hasParam = true
+			buf.WriteString("?tls=")
+		}
+		buf.WriteString(url.QueryEscape(cfg.TLSConfig))
+	}
+
+	if cfg.WriteTimeout > 0 {
+		if hasParam {
+			buf.WriteString("&writeTimeout=")
+		} else {
+			hasParam = true
+			buf.WriteString("?writeTimeout=")
+		}
+		buf.WriteString(cfg.WriteTimeout.String())
+	}
+
+	// other params
+	if cfg.Params != nil {
+		for param, value := range cfg.Params {
+			if hasParam {
+				buf.WriteByte('&')
+			} else {
+				hasParam = true
+				buf.WriteByte('?')
+			}
+
+			buf.WriteString(param)
+			buf.WriteByte('=')
+			buf.WriteString(url.QueryEscape(value))
+		}
+	}
+
+	return buf.String()
+}
+
+// ParseDSN parses the DSN string to a Config
+func ParseDSN(dsn string) (cfg *Config, err error) {
+	// New config with some default values
+	cfg = &Config{
+		Loc:       time.UTC,
+		Collation: defaultCollation,
+	}
+
+	// [user[:password]@][net[(addr)]]/dbname[?param1=value1&paramN=valueN]
+	// Find the last '/' (since the password or the net addr might contain a '/')
+	foundSlash := false
+	for i := len(dsn) - 1; i >= 0; i-- {
+		if dsn[i] == '/' {
+			foundSlash = true
+			var j, k int
+
+			// left part is empty if i <= 0
+			if i > 0 {
+				// [username[:password]@][protocol[(address)]]
+				// Find the last '@' in dsn[:i]
+				for j = i; j >= 0; j-- {
+					if dsn[j] == '@' {
+						// username[:password]
+						// Find the first ':' in dsn[:j]
+						for k = 0; k < j; k++ {
+							if dsn[k] == ':' {
+								cfg.Passwd = dsn[k+1 : j]
+								break
+							}
+						}
+						cfg.User = dsn[:k]
+
+						break
+					}
+				}
+
+				// [protocol[(address)]]
+				// Find the first '(' in dsn[j+1:i]
+				for k = j + 1; k < i; k++ {
+					if dsn[k] == '(' {
+						// dsn[i-1] must be == ')' if an address is specified
+						if dsn[i-1] != ')' {
+							if strings.ContainsRune(dsn[k+1:i], ')') {
+								return nil, errInvalidDSNUnescaped
+							}
+							return nil, errInvalidDSNAddr
+						}
+						cfg.Addr = dsn[k+1 : i-1]
+						break
+					}
+				}
+				cfg.Net = dsn[j+1 : k]
+			}
+
+			// dbname[?param1=value1&...&paramN=valueN]
+			// Find the first '?' in dsn[i+1:]
+			for j = i + 1; j < len(dsn); j++ {
+				if dsn[j] == '?' {
+					if err = parseDSNParams(cfg, dsn[j+1:]); err != nil {
+						return
+					}
+					break
+				}
+			}
+			cfg.DBName = dsn[i+1 : j]
+
+			break
+		}
+	}
+
+	if !foundSlash && len(dsn) > 0 {
+		return nil, errInvalidDSNNoSlash
+	}
+
+	if cfg.InterpolateParams && unsafeCollations[cfg.Collation] {
+		return nil, errInvalidDSNUnsafeCollation
+	}
+
+	// Set default network if empty
+	if cfg.Net == "" {
+		cfg.Net = "tcp"
+	}
+
+	// Set default address if empty
+	if cfg.Addr == "" {
+		switch cfg.Net {
+		case "tcp":
+			cfg.Addr = "127.0.0.1:3306"
+		case "unix":
+			cfg.Addr = "/tmp/mysql.sock"
+		default:
+			return nil, errors.New("default addr for network '" + cfg.Net + "' unknown")
+		}
+
+	}
+
+	return
+}
+
+// parseDSNParams parses the DSN "query string"
+// Values must be url.QueryEscape'ed
+func parseDSNParams(cfg *Config, params string) (err error) {
+	for _, v := range strings.Split(params, "&") {
+		param := strings.SplitN(v, "=", 2)
+		if len(param) != 2 {
+			continue
+		}
+
+		// cfg params
+		switch value := param[1]; param[0] {
+
+		// Disable INFILE whitelist / enable all files
+		case "allowAllFiles":
+			var isBool bool
+			cfg.AllowAllFiles, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
+		// Use cleartext authentication mode (MySQL 5.5.10+)
+		case "allowCleartextPasswords":
+			var isBool bool
+			cfg.AllowCleartextPasswords, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
+		// Use old authentication mode (pre MySQL 4.1)
+		case "allowOldPasswords":
+			var isBool bool
+			cfg.AllowOldPasswords, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
+		// Switch "rowsAffected" mode
+		case "clientFoundRows":
+			var isBool bool
+			cfg.ClientFoundRows, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
+		// Collation
+		case "collation":
+			cfg.Collation = value
+			break
+
+		case "columnsWithAlias":
+			var isBool bool
+			cfg.ColumnsWithAlias, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
+		// Compression
+		case "compress":
+			return errors.New("compression not implemented yet")
+
+		// Enable client side placeholder substitution
+		case "interpolateParams":
+			var isBool bool
+			cfg.InterpolateParams, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
+		// Time Location
+		case "loc":
+			if value, err = url.QueryUnescape(value); err != nil {
+				return
+			}
+			cfg.Loc, err = time.LoadLocation(value)
+			if err != nil {
+				return
+			}
+
+		// multiple statements in one query
+		case "multiStatements":
+			var isBool bool
+			cfg.MultiStatements, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
+		// time.Time parsing
+		case "parseTime":
+			var isBool bool
+			cfg.ParseTime, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
+		// I/O read Timeout
+		case "readTimeout":
+			cfg.ReadTimeout, err = time.ParseDuration(value)
+			if err != nil {
+				return
+			}
+
+		// Strict mode
+		case "strict":
+			var isBool bool
+			cfg.Strict, isBool = readBool(value)
+			if !isBool {
+				return errors.New("invalid bool value: " + value)
+			}
+
+		// Dial Timeout
+		case "timeout":
+			cfg.Timeout, err = time.ParseDuration(value)
+			if err != nil {
+				return
+			}
+
+		// TLS-Encryption
+		case "tls":
+			boolValue, isBool := readBool(value)
+			if isBool {
+				if boolValue {
+					cfg.TLSConfig = "true"
+					cfg.tls = &tls.Config{}
+				} else {
+					cfg.TLSConfig = "false"
+				}
+			} else if vl := strings.ToLower(value); vl == "skip-verify" {
+				cfg.TLSConfig = vl
+				cfg.tls = &tls.Config{InsecureSkipVerify: true}
+			} else {
+				name, err := url.QueryUnescape(value)
+				if err != nil {
+					return fmt.Errorf("invalid value for TLS config name: %v", err)
+				}
+
+				if tlsConfig, ok := tlsConfigRegister[name]; ok {
+					if len(tlsConfig.ServerName) == 0 && !tlsConfig.InsecureSkipVerify {
+						host, _, err := net.SplitHostPort(cfg.Addr)
+						if err == nil {
+							tlsConfig.ServerName = host
+						}
+					}
+
+					cfg.TLSConfig = name
+					cfg.tls = tlsConfig
+				} else {
+					return errors.New("invalid value / unknown config name: " + name)
+				}
+			}
+
+		// I/O write Timeout
+		case "writeTimeout":
+			cfg.WriteTimeout, err = time.ParseDuration(value)
+			if err != nil {
+				return
+			}
+
+		default:
+			// lazy init
+			if cfg.Params == nil {
+				cfg.Params = make(map[string]string)
+			}
+
+			if cfg.Params[param[0]], err = url.QueryUnescape(value); err != nil {
+				return
+			}
+		}
+	}
+
+	return
+}

Godeps/_workspace/src/github.com/go-sql-driver/mysql/dsn_test.go

@@ -0,0 +1,207 @@
+// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
+//
+// Copyright 2016 The Go-MySQL-Driver Authors. All rights reserved.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package mysql
+
+import (
+	"crypto/tls"
+	"fmt"
+	"net/url"
+	"testing"
+)
+
+var testDSNs = []struct {
+	in  string
+	out string
+}{
+	{"username:password@protocol(address)/dbname?param=value", "&{User:username Passwd:password Net:protocol Addr:address DBName:dbname Params:map[param:value] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"username:password@protocol(address)/dbname?param=value&columnsWithAlias=true", "&{User:username Passwd:password Net:protocol Addr:address DBName:dbname Params:map[param:value] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:true InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"username:password@protocol(address)/dbname?param=value&columnsWithAlias=true&multiStatements=true", "&{User:username Passwd:password Net:protocol Addr:address DBName:dbname Params:map[param:value] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:true InterpolateParams:false MultiStatements:true ParseTime:false Strict:false}"},
+	{"user@unix(/path/to/socket)/dbname?charset=utf8", "&{User:user Passwd: Net:unix Addr:/path/to/socket DBName:dbname Params:map[charset:utf8] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"user:password@tcp(localhost:5555)/dbname?charset=utf8&tls=true", "&{User:user Passwd:password Net:tcp Addr:localhost:5555 DBName:dbname Params:map[charset:utf8] Collation:utf8_general_ci Loc:UTC TLSConfig:true tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"user:password@tcp(localhost:5555)/dbname?charset=utf8mb4,utf8&tls=skip-verify", "&{User:user Passwd:password Net:tcp Addr:localhost:5555 DBName:dbname Params:map[charset:utf8mb4,utf8] Collation:utf8_general_ci Loc:UTC TLSConfig:skip-verify tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"user:password@/dbname?loc=UTC&timeout=30s&readTimeout=1s&writeTimeout=1s&allowAllFiles=1&clientFoundRows=true&allowOldPasswords=TRUE&collation=utf8mb4_unicode_ci", "&{User:user Passwd:password Net:tcp Addr:127.0.0.1:3306 DBName:dbname Params:map[] Collation:utf8mb4_unicode_ci Loc:UTC TLSConfig: tls:<nil> Timeout:30s ReadTimeout:1s WriteTimeout:1s AllowAllFiles:true AllowCleartextPasswords:false AllowOldPasswords:true ClientFoundRows:true ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"user:p@ss(word)@tcp([de:ad:be:ef::ca:fe]:80)/dbname?loc=Local", "&{User:user Passwd:p@ss(word) Net:tcp Addr:[de:ad:be:ef::ca:fe]:80 DBName:dbname Params:map[] Collation:utf8_general_ci Loc:Local TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"/dbname", "&{User: Passwd: Net:tcp Addr:127.0.0.1:3306 DBName:dbname Params:map[] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"@/", "&{User: Passwd: Net:tcp Addr:127.0.0.1:3306 DBName: Params:map[] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"/", "&{User: Passwd: Net:tcp Addr:127.0.0.1:3306 DBName: Params:map[] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"", "&{User: Passwd: Net:tcp Addr:127.0.0.1:3306 DBName: Params:map[] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"user:p@/ssword@/", "&{User:user Passwd:p@/ssword Net:tcp Addr:127.0.0.1:3306 DBName: Params:map[] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+	{"unix/?arg=%2Fsome%2Fpath.ext", "&{User: Passwd: Net:unix Addr:/tmp/mysql.sock DBName: Params:map[arg:/some/path.ext] Collation:utf8_general_ci Loc:UTC TLSConfig: tls:<nil> Timeout:0 ReadTimeout:0 WriteTimeout:0 AllowAllFiles:false AllowCleartextPasswords:false AllowOldPasswords:false ClientFoundRows:false ColumnsWithAlias:false InterpolateParams:false MultiStatements:false ParseTime:false Strict:false}"},
+}
+
+func TestDSNParser(t *testing.T) {
+	var cfg *Config
+	var err error
+	var res string
+
+	for i, tst := range testDSNs {
+		cfg, err = ParseDSN(tst.in)
+		if err != nil {
+			t.Error(err.Error())
+		}
+
+		// pointer not static
+		cfg.tls = nil
+
+		res = fmt.Sprintf("%+v", cfg)
+		if res != tst.out {
+			t.Errorf("%d. ParseDSN(%q) => %q, want %q", i, tst.in, res, tst.out)
+		}
+	}
+}
+
+func TestDSNParserInvalid(t *testing.T) {
+	var invalidDSNs = []string{
+		"@net(addr/",                  // no closing brace
+		"@tcp(/",                      // no closing brace
+		"tcp(/",                       // no closing brace
+		"(/",                          // no closing brace
+		"net(addr)//",                 // unescaped
+		"User:pass@tcp(1.2.3.4:3306)", // no trailing slash
+		//"/dbname?arg=/some/unescaped/path",
+	}
+
+	for i, tst := range invalidDSNs {
+		if _, err := ParseDSN(tst); err == nil {
+			t.Errorf("invalid DSN #%d. (%s) didn't error!", i, tst)
+		}
+	}
+}
+
+func TestDSNReformat(t *testing.T) {
+	for i, tst := range testDSNs {
+		dsn1 := tst.in
+		cfg1, err := ParseDSN(dsn1)
+		if err != nil {
+			t.Error(err.Error())
+			continue
+		}
+		cfg1.tls = nil // pointer not static
+		res1 := fmt.Sprintf("%+v", cfg1)
+
+		dsn2 := cfg1.FormatDSN()
+		cfg2, err := ParseDSN(dsn2)
+		if err != nil {
+			t.Error(err.Error())
+			continue
+		}
+		cfg2.tls = nil // pointer not static
+		res2 := fmt.Sprintf("%+v", cfg2)
+
+		if res1 != res2 {
+			t.Errorf("%d. %q does not match %q", i, res2, res1)
+		}
+	}
+}
+
+func TestDSNWithCustomTLS(t *testing.T) {
+	baseDSN := "User:password@tcp(localhost:5555)/dbname?tls="
+	tlsCfg := tls.Config{}
+
+	RegisterTLSConfig("utils_test", &tlsCfg)
+
+	// Custom TLS is missing
+	tst := baseDSN + "invalid_tls"
+	cfg, err := ParseDSN(tst)
+	if err == nil {
+		t.Errorf("invalid custom TLS in DSN (%s) but did not error. Got config: %#v", tst, cfg)
+	}
+
+	tst = baseDSN + "utils_test"
+
+	// Custom TLS with a server name
+	name := "foohost"
+	tlsCfg.ServerName = name
+	cfg, err = ParseDSN(tst)
+
+	if err != nil {
+		t.Error(err.Error())
+	} else if cfg.tls.ServerName != name {
+		t.Errorf("did not get the correct TLS ServerName (%s) parsing DSN (%s).", name, tst)
+	}
+
+	// Custom TLS without a server name
+	name = "localhost"
+	tlsCfg.ServerName = ""
+	cfg, err = ParseDSN(tst)
+
+	if err != nil {
+		t.Error(err.Error())
+	} else if cfg.tls.ServerName != name {
+		t.Errorf("did not get the correct ServerName (%s) parsing DSN (%s).", name, tst)
+	}
+
+	DeregisterTLSConfig("utils_test")
+}
+
+func TestDSNWithCustomTLSQueryEscape(t *testing.T) {
+	const configKey = "&%!:"
+	dsn := "User:password@tcp(localhost:5555)/dbname?tls=" + url.QueryEscape(configKey)
+	name := "foohost"
+	tlsCfg := tls.Config{ServerName: name}
+
+	RegisterTLSConfig(configKey, &tlsCfg)
+
+	cfg, err := ParseDSN(dsn)
+
+	if err != nil {
+		t.Error(err.Error())
+	} else if cfg.tls.ServerName != name {
+		t.Errorf("did not get the correct TLS ServerName (%s) parsing DSN (%s).", name, dsn)
+	}
+}
+
+func TestDSNUnsafeCollation(t *testing.T) {
+	_, err := ParseDSN("/dbname?collation=gbk_chinese_ci&interpolateParams=true")
+	if err != errInvalidDSNUnsafeCollation {
+		t.Errorf("expected %v, got %v", errInvalidDSNUnsafeCollation, err)
+	}
+
+	_, err = ParseDSN("/dbname?collation=gbk_chinese_ci&interpolateParams=false")
+	if err != nil {
+		t.Errorf("expected %v, got %v", nil, err)
+	}
+
+	_, err = ParseDSN("/dbname?collation=gbk_chinese_ci")
+	if err != nil {
+		t.Errorf("expected %v, got %v", nil, err)
+	}
+
+	_, err = ParseDSN("/dbname?collation=ascii_bin&interpolateParams=true")
+	if err != nil {
+		t.Errorf("expected %v, got %v", nil, err)
+	}
+
+	_, err = ParseDSN("/dbname?collation=latin1_german1_ci&interpolateParams=true")
+	if err != nil {
+		t.Errorf("expected %v, got %v", nil, err)
+	}
+
+	_, err = ParseDSN("/dbname?collation=utf8_general_ci&interpolateParams=true")
+	if err != nil {
+		t.Errorf("expected %v, got %v", nil, err)
+	}
+
+	_, err = ParseDSN("/dbname?collation=utf8mb4_general_ci&interpolateParams=true")
+	if err != nil {
+		t.Errorf("expected %v, got %v", nil, err)
+	}
+}
+
+func BenchmarkParseDSN(b *testing.B) {
+	b.ReportAllocs()
+
+	for i := 0; i < b.N; i++ {
+		for _, tst := range testDSNs {
+			if _, err := ParseDSN(tst.in); err != nil {
+				b.Error(err.Error())
+			}
+		}
+	}
+}

Godeps/_workspace/src/github.com/go-sql-driver/mysql/errors.go

@@ -19,18 +19,20 @@ import (
 
 // Various errors the driver might return. Can change between driver versions.
 var (
-	ErrInvalidConn = errors.New("Invalid Connection")
-	ErrMalformPkt  = errors.New("Malformed Packet")
-	ErrNoTLS       = errors.New("TLS encryption requested but server does not support TLS")
-	ErrOldPassword = errors.New("This server only supports the insecure old password authentication. If you still want to use it, please add 'allowOldPasswords=1' to your DSN. See also https://github.com/go-sql-driver/mysql/wiki/old_passwords")
-	ErrOldProtocol = errors.New("MySQL-Server does not support required Protocol 41+")
-	ErrPktSync     = errors.New("Commands out of sync. You can't run this command now")
-	ErrPktSyncMul  = errors.New("Commands out of sync. Did you run multiple statements at once?")
-	ErrPktTooLarge = errors.New("Packet for query is too large. You can change this value on the server by adjusting the 'max_allowed_packet' variable.")
-	ErrBusyBuffer  = errors.New("Busy buffer")
+	ErrInvalidConn       = errors.New("invalid connection")
+	ErrMalformPkt        = errors.New("malformed packet")
+	ErrNoTLS             = errors.New("TLS requested but server does not support TLS")
+	ErrOldPassword       = errors.New("this user requires old password authentication. If you still want to use it, please add 'allowOldPasswords=1' to your DSN. See also https://github.com/go-sql-driver/mysql/wiki/old_passwords")
+	ErrCleartextPassword = errors.New("this user requires clear text authentication. If you still want to use it, please add 'allowCleartextPasswords=1' to your DSN")
+	ErrUnknownPlugin     = errors.New("this authentication plugin is not supported")
+	ErrOldProtocol       = errors.New("MySQL server does not support required protocol 41+")
+	ErrPktSync           = errors.New("commands out of sync. You can't run this command now")
+	ErrPktSyncMul        = errors.New("commands out of sync. Did you run multiple statements at once?")
+	ErrPktTooLarge       = errors.New("packet for query is too large. Try adjusting the 'max_allowed_packet' variable on the server")
+	ErrBusyBuffer        = errors.New("busy buffer")
 )
 
-var errLog Logger = log.New(os.Stderr, "[MySQL] ", log.Ldate|log.Ltime|log.Lshortfile)
+var errLog = Logger(log.New(os.Stderr, "[mysql] ", log.Ldate|log.Ltime|log.Lshortfile))
 
 // Logger is used to log critical error messages.
 type Logger interface {

Godeps/_workspace/src/github.com/go-sql-driver/mysql/infile.go

@@ -13,11 +13,14 @@ import (
 	"io"
 	"os"
 	"strings"
+	"sync"
 )
 
 var (
-	fileRegister   map[string]bool
-	readerRegister map[string]func() io.Reader
+	fileRegister       map[string]bool
+	fileRegisterLock   sync.RWMutex
+	readerRegister     map[string]func() io.Reader
+	readerRegisterLock sync.RWMutex
 )
 
 // RegisterLocalFile adds the given file to the file whitelist,
@@ -32,17 +35,21 @@ var (
 //  ...
 //
 func RegisterLocalFile(filePath string) {
+	fileRegisterLock.Lock()
 	// lazy map init
 	if fileRegister == nil {
 		fileRegister = make(map[string]bool)
 	}
 
 	fileRegister[strings.Trim(filePath, `"`)] = true
+	fileRegisterLock.Unlock()
 }
 
 // DeregisterLocalFile removes the given filepath from the whitelist.
 func DeregisterLocalFile(filePath string) {
+	fileRegisterLock.Lock()
 	delete(fileRegister, strings.Trim(filePath, `"`))
+	fileRegisterLock.Unlock()
 }
 
 // RegisterReaderHandler registers a handler function which is used
@@ -61,18 +68,22 @@ func DeregisterLocalFile(filePath string) {
 //  ...
 //
 func RegisterReaderHandler(name string, handler func() io.Reader) {
+	readerRegisterLock.Lock()
 	// lazy map init
 	if readerRegister == nil {
 		readerRegister = make(map[string]func() io.Reader)
 	}
 
 	readerRegister[name] = handler
+	readerRegisterLock.Unlock()
 }
 
 // DeregisterReaderHandler removes the ReaderHandler function with
 // the given name from the registry.
 func DeregisterReaderHandler(name string) {
+	readerRegisterLock.Lock()
 	delete(readerRegister, name)
+	readerRegisterLock.Unlock()
 }
 
 func deferredClose(err *error, closer io.Closer) {
@@ -86,9 +97,15 @@ func (mc *mysqlConn) handleInFileRequest(name string) (err error) {
 	var rdr io.Reader
 	var data []byte
 
-	if strings.HasPrefix(name, "Reader::") { // io.Reader
-		name = name[8:]
-		if handler, inMap := readerRegister[name]; inMap {
+	if idx := strings.Index(name, "Reader::"); idx == 0 || (idx > 0 && name[idx-1] == '/') { // io.Reader
+		// The server might return an an absolute path. See issue #355.
+		name = name[idx+8:]
+
+		readerRegisterLock.RLock()
+		handler, inMap := readerRegister[name]
+		readerRegisterLock.RUnlock()
+
+		if inMap {
 			rdr = handler()
 			if rdr != nil {
 				data = make([]byte, 4+mc.maxWriteSize)
@@ -104,7 +121,10 @@ func (mc *mysqlConn) handleInFileRequest(name string) (err error) {
 		}
 	} else { // File
 		name = strings.Trim(name, `"`)
-		if mc.cfg.allowAllFiles || fileRegister[name] {
+		fileRegisterLock.RLock()
+		fr := fileRegister[name]
+		fileRegisterLock.RUnlock()
+		if mc.cfg.AllowAllFiles || fr {
 			var file *os.File
 			var fi os.FileInfo
 
@@ -119,12 +139,12 @@ func (mc *mysqlConn) handleInFileRequest(name string) (err error) {
 					} else if fileSize <= mc.maxPacketAllowed {
 						data = make([]byte, 4+mc.maxWriteSize)
 					} else {
-						err = fmt.Errorf("Local File '%s' too large: Size: %d, Max: %d", name, fileSize, mc.maxPacketAllowed)
+						err = fmt.Errorf("local file '%s' too large: size: %d, max: %d", name, fileSize, mc.maxPacketAllowed)
 					}
 				}
 			}
 		} else {
-			err = fmt.Errorf("Local File '%s' is not registered. Use the DSN parameter 'allowAllFiles=true' to allow all files", name)
+			err = fmt.Errorf("local file '%s' is not registered", name)
 		}
 	}
 
@@ -155,8 +175,8 @@ func (mc *mysqlConn) handleInFileRequest(name string) (err error) {
 	// read OK packet
 	if err == nil {
 		return mc.readResultOK()
-	} else {
-		mc.readPacket()
 	}
+
+	mc.readPacket()
 	return err
 }

Godeps/_workspace/src/github.com/go-sql-driver/mysql/packets.go

@@ -13,6 +13,7 @@ import (
 	"crypto/tls"
 	"database/sql/driver"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"io"
 	"math"
@@ -47,9 +48,8 @@ func (mc *mysqlConn) readPacket() ([]byte, error) {
 		if data[3] != mc.sequence {
 			if data[3] > mc.sequence {
 				return nil, ErrPktSyncMul
-			} else {
-				return nil, ErrPktSync
 			}
+			return nil, ErrPktSync
 		}
 		mc.sequence++
 
@@ -100,6 +100,12 @@ func (mc *mysqlConn) writePacket(data []byte) error {
 		data[3] = mc.sequence
 
 		// Write packet
+		if mc.writeTimeout > 0 {
+			if err := mc.netConn.SetWriteDeadline(time.Now().Add(mc.writeTimeout)); err != nil {
+				return err
+			}
+		}
+
 		n, err := mc.netConn.Write(data[:4+size])
 		if err == nil && n == 4+size {
 			mc.sequence++
@@ -140,7 +146,7 @@ func (mc *mysqlConn) readInitPacket() ([]byte, error) {
 	// protocol version [1 byte]
 	if data[0] < minProtocolVersion {
 		return nil, fmt.Errorf(
-			"Unsupported MySQL Protocol Version %d. Protocol Version %d or higher is required",
+			"unsupported protocol version %d. Version %d or higher is required",
 			data[0],
 			minProtocolVersion,
 		)
@@ -196,7 +202,11 @@ func (mc *mysqlConn) readInitPacket() ([]byte, error) {
 		//	return
 		//}
 		//return ErrMalformPkt
-		return cipher, nil
+
+		// make a memory safe copy of the cipher slice
+		var b [20]byte
+		copy(b[:], cipher)
+		return b[:], nil
 	}
 
 	// make a memory safe copy of the cipher slice
@@ -214,9 +224,11 @@ func (mc *mysqlConn) writeAuthPacket(cipher []byte) error {
 		clientLongPassword |
 		clientTransactions |
 		clientLocalFiles |
+		clientPluginAuth |
+		clientMultiResults |
 		mc.flags&clientLongFlag
 
-	if mc.cfg.clientFoundRows {
+	if mc.cfg.ClientFoundRows {
 		clientFlags |= clientFoundRows
 	}
 
@@ -225,13 +237,17 @@ func (mc *mysqlConn) writeAuthPacket(cipher []byte) error {
 		clientFlags |= clientSSL
 	}
 
+	if mc.cfg.MultiStatements {
+		clientFlags |= clientMultiStatements
+	}
+
 	// User Password
-	scrambleBuff := scramblePassword(cipher, []byte(mc.cfg.passwd))
+	scrambleBuff := scramblePassword(cipher, []byte(mc.cfg.Passwd))
 
-	pktLen := 4 + 4 + 1 + 23 + len(mc.cfg.user) + 1 + 1 + len(scrambleBuff)
+	pktLen := 4 + 4 + 1 + 23 + len(mc.cfg.User) + 1 + 1 + len(scrambleBuff) + 21 + 1
 
 	// To specify a db name
-	if n := len(mc.cfg.dbname); n > 0 {
+	if n := len(mc.cfg.DBName); n > 0 {
 		clientFlags |= clientConnectWithDB
 		pktLen += n + 1
 	}
@@ -257,7 +273,14 @@ func (mc *mysqlConn) writeAuthPacket(cipher []byte) error {
 	data[11] = 0x00
 
 	// Charset [1 byte]
-	data[12] = mc.cfg.collation
+	var found bool
+	data[12], found = collations[mc.cfg.Collation]
+	if !found {
+		// Note possibility for false negatives:
+		// could be triggered  although the collation is valid if the
+		// collations map does not contain entries the server supports.
+		return errors.New("unknown collation")
+	}
 
 	// SSL Connection Request Packet
 	// http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::SSLRequest
@@ -273,15 +296,18 @@ func (mc *mysqlConn) writeAuthPacket(cipher []byte) error {
 			return err
 		}
 		mc.netConn = tlsConn
-		mc.buf.rd = tlsConn
+		mc.buf.nc = tlsConn
 	}
 
 	// Filler [23 bytes] (all 0x00)
-	pos := 13 + 23
+	pos := 13
+	for ; pos < 13+23; pos++ {
+		data[pos] = 0
+	}
 
 	// User [null terminated string]
-	if len(mc.cfg.user) > 0 {
-		pos += copy(data[pos:], mc.cfg.user)
+	if len(mc.cfg.User) > 0 {
+		pos += copy(data[pos:], mc.cfg.User)
 	}
 	data[pos] = 0x00
 	pos++
@@ -291,11 +317,16 @@ func (mc *mysqlConn) writeAuthPacket(cipher []byte) error {
 	pos += 1 + copy(data[pos+1:], scrambleBuff)
 
 	// Databasename [null terminated string]
-	if len(mc.cfg.dbname) > 0 {
-		pos += copy(data[pos:], mc.cfg.dbname)
+	if len(mc.cfg.DBName) > 0 {
+		pos += copy(data[pos:], mc.cfg.DBName)
 		data[pos] = 0x00
+		pos++
 	}
 
+	// Assume native client during response
+	pos += copy(data[pos:], "mysql_native_password")
+	data[pos] = 0x00
+
 	// Send Auth packet
 	return mc.writePacket(data)
 }
@@ -304,9 +335,9 @@ func (mc *mysqlConn) writeAuthPacket(cipher []byte) error {
 // http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::AuthSwitchResponse
 func (mc *mysqlConn) writeOldAuthPacket(cipher []byte) error {
 	// User password
-	scrambleBuff := scrambleOldPassword(cipher, []byte(mc.cfg.passwd))
+	scrambleBuff := scrambleOldPassword(cipher, []byte(mc.cfg.Passwd))
 
-	// Calculate the packet lenght and add a tailing 0
+	// Calculate the packet length and add a tailing 0
 	pktLen := len(scrambleBuff) + 1
 	data := mc.buf.takeSmallBuffer(4 + pktLen)
 	if data == nil {
@@ -322,6 +353,25 @@ func (mc *mysqlConn) writeOldAuthPacket(cipher []byte) error {
 	return mc.writePacket(data)
 }
 
+//  Client clear text authentication packet
+// http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::AuthSwitchResponse
+func (mc *mysqlConn) writeClearAuthPacket() error {
+	// Calculate the packet length and add a tailing 0
+	pktLen := len(mc.cfg.Passwd) + 1
+	data := mc.buf.takeSmallBuffer(4 + pktLen)
+	if data == nil {
+		// can not take the buffer. Something must be wrong with the connection
+		errLog.Print(ErrBusyBuffer)
+		return driver.ErrBadConn
+	}
+
+	// Add the clear password [null terminated string]
+	copy(data[4:], mc.cfg.Passwd)
+	data[4+pktLen-1] = 0x00
+
+	return mc.writePacket(data)
+}
+
 /******************************************************************************
 *                             Command Packets                                 *
 ******************************************************************************/
@@ -405,8 +455,20 @@ func (mc *mysqlConn) readResultOK() error {
 			return mc.handleOkPacket(data)
 
 		case iEOF:
-			// someone is using old_passwords
-			return ErrOldPassword
+			if len(data) > 1 {
+				plugin := string(data[1:bytes.IndexByte(data, 0x00)])
+				if plugin == "mysql_old_password" {
+					// using old_passwords
+					return ErrOldPassword
+				} else if plugin == "mysql_clear_password" {
+					// using clear text password
+					return ErrCleartextPassword
+				} else {
+					return ErrUnknownPlugin
+				}
+			} else {
+				return ErrOldPassword
+			}
 
 		default: // Error otherwise
 			return mc.handleErrorPacket(data)
@@ -470,6 +532,10 @@ func (mc *mysqlConn) handleErrorPacket(data []byte) error {
 	}
 }
 
+func readStatus(b []byte) statusFlag {
+	return statusFlag(b[0]) | statusFlag(b[1])<<8
+}
+
 // Ok Packet
 // http://dev.mysql.com/doc/internals/en/generic-response-packets.html#packet-OK_Packet
 func (mc *mysqlConn) handleOkPacket(data []byte) error {
@@ -484,17 +550,21 @@ func (mc *mysqlConn) handleOkPacket(data []byte) error {
 	mc.insertId, _, m = readLengthEncodedInteger(data[1+n:])
 
 	// server_status [2 bytes]
+	mc.status = readStatus(data[1+n+m : 1+n+m+2])
+	if err := mc.discardResults(); err != nil {
+		return err
+	}
 
 	// warning count [2 bytes]
 	if !mc.strict {
 		return nil
-	} else {
-		pos := 1 + n + m + 2
-		if binary.LittleEndian.Uint16(data[pos:pos+2]) > 0 {
-			return mc.getWarnings()
-		}
-		return nil
 	}
+
+	pos := 1 + n + m + 2
+	if binary.LittleEndian.Uint16(data[pos:pos+2]) > 0 {
+		return mc.getWarnings()
+	}
+	return nil
 }
 
 // Read Packets as Field Packets until EOF-Packet or an Error appears
@@ -513,7 +583,7 @@ func (mc *mysqlConn) readColumns(count int) ([]mysqlField, error) {
 			if i == count {
 				return columns, nil
 			}
-			return nil, fmt.Errorf("ColumnsCount mismatch n:%d len:%d", count, len(columns))
+			return nil, fmt.Errorf("column count mismatch n:%d len:%d", count, len(columns))
 		}
 
 		// Catalog
@@ -530,11 +600,20 @@ func (mc *mysqlConn) readColumns(count int) ([]mysqlField, error) {
 		pos += n
 
 		// Table [len coded string]
-		n, err = skipLengthEncodedString(data[pos:])
-		if err != nil {
-			return nil, err
+		if mc.cfg.ColumnsWithAlias {
+			tableName, _, n, err := readLengthEncodedString(data[pos:])
+			if err != nil {
+				return nil, err
+			}
+			pos += n
+			columns[i].tableName = string(tableName)
+		} else {
+			n, err = skipLengthEncodedString(data[pos:])
+			if err != nil {
+				return nil, err
+			}
+			pos += n
 		}
-		pos += n
 
 		// Original table [len coded string]
 		n, err = skipLengthEncodedString(data[pos:])
@@ -593,8 +672,18 @@ func (rows *textRows) readRow(dest []driver.Value) error {
 
 	// EOF Packet
 	if data[0] == iEOF && len(data) == 5 {
+		// server_status [2 bytes]
+		rows.mc.status = readStatus(data[3:])
+		if err := rows.mc.discardResults(); err != nil {
+			return err
+		}
+		rows.mc = nil
 		return io.EOF
 	}
+	if data[0] == iERR {
+		rows.mc = nil
+		return mc.handleErrorPacket(data)
+	}
 
 	// RowSet Packet
 	var n int
@@ -615,7 +704,7 @@ func (rows *textRows) readRow(dest []driver.Value) error {
 						fieldTypeDate, fieldTypeNewDate:
 						dest[i], err = parseDateTime(
 							string(dest[i].([]byte)),
-							mc.cfg.loc,
+							mc.cfg.Loc,
 						)
 						if err == nil {
 							continue
@@ -645,6 +734,10 @@ func (mc *mysqlConn) readUntilEOF() error {
 		if err == nil && data[0] != iEOF {
 			continue
 		}
+		if err == nil && data[0] == iEOF && len(data) == 5 {
+			mc.status = readStatus(data[3:])
+		}
+
 		return err // Err or EOF
 	}
 }
@@ -677,13 +770,13 @@ func (stmt *mysqlStmt) readPrepareResultPacket() (uint16, error) {
 		// Warning count [16 bit uint]
 		if !stmt.mc.strict {
 			return columnCount, nil
-		} else {
-			// Check for warnings count > 0, only available in MySQL > 4.1
-			if len(data) >= 12 && binary.LittleEndian.Uint16(data[10:12]) > 0 {
-				return columnCount, stmt.mc.getWarnings()
-			}
-			return columnCount, nil
 		}
+
+		// Check for warnings count > 0, only available in MySQL > 4.1
+		if len(data) >= 12 && binary.LittleEndian.Uint16(data[10:12]) > 0 {
+			return columnCount, stmt.mc.getWarnings()
+		}
+		return columnCount, nil
 	}
 	return 0, err
 }
@@ -745,7 +838,7 @@ func (stmt *mysqlStmt) writeCommandLongData(paramID int, arg []byte) error {
 func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 	if len(args) != stmt.paramCount {
 		return fmt.Errorf(
-			"Arguments count mismatch (Got: %d Has: %d)",
+			"argument count mismatch (got: %d; has: %d)",
 			len(args),
 			stmt.paramCount,
 		)
@@ -922,7 +1015,7 @@ func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 				if v.IsZero() {
 					val = []byte("0000-00-00")
 				} else {
-					val = []byte(v.In(mc.cfg.loc).Format(timeFormat))
+					val = []byte(v.In(mc.cfg.Loc).Format(timeFormat))
 				}
 
 				paramValues = appendLengthEncodedInteger(paramValues,
@@ -931,7 +1024,7 @@ func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 				paramValues = append(paramValues, val...)
 
 			default:
-				return fmt.Errorf("Can't convert type: %T", arg)
+				return fmt.Errorf("can not convert type: %T", arg)
 			}
 		}
 
@@ -949,6 +1042,28 @@ func (stmt *mysqlStmt) writeExecutePacket(args []driver.Value) error {
 	return mc.writePacket(data)
 }
 
+func (mc *mysqlConn) discardResults() error {
+	for mc.status&statusMoreResultsExists != 0 {
+		resLen, err := mc.readResultSetHeaderPacket()
+		if err != nil {
+			return err
+		}
+		if resLen > 0 {
+			// columns
+			if err := mc.readUntilEOF(); err != nil {
+				return err
+			}
+			// rows
+			if err := mc.readUntilEOF(); err != nil {
+				return err
+			}
+		} else {
+			mc.status &^= statusMoreResultsExists
+		}
+	}
+	return nil
+}
+
 // http://dev.mysql.com/doc/internals/en/binary-protocol-resultset-row.html
 func (rows *binaryRows) readRow(dest []driver.Value) error {
 	data, err := rows.mc.readPacket()
@@ -960,8 +1075,14 @@ func (rows *binaryRows) readRow(dest []driver.Value) error {
 	if data[0] != iOK {
 		// EOF Packet
 		if data[0] == iEOF && len(data) == 5 {
+			rows.mc.status = readStatus(data[3:])
+			if err := rows.mc.discardResults(); err != nil {
+				return err
+			}
+			rows.mc = nil
 			return io.EOF
 		}
+		rows.mc = nil
 
 		// Error otherwise
 		return rows.mc.handleErrorPacket(data)
@@ -1041,7 +1162,7 @@ func (rows *binaryRows) readRow(dest []driver.Value) error {
 		case fieldTypeDecimal, fieldTypeNewDecimal, fieldTypeVarChar,
 			fieldTypeBit, fieldTypeEnum, fieldTypeSet, fieldTypeTinyBLOB,
 			fieldTypeMediumBLOB, fieldTypeLongBLOB, fieldTypeBLOB,
-			fieldTypeVarString, fieldTypeString, fieldTypeGeometry:
+			fieldTypeVarString, fieldTypeString, fieldTypeGeometry, fieldTypeJSON:
 			var isNull bool
 			var n int
 			dest[i], isNull, n, err = readLengthEncodedString(data[pos:])
@@ -1078,13 +1199,13 @@ func (rows *binaryRows) readRow(dest []driver.Value) error {
 					dstlen = 8 + 1 + decimals
 				default:
 					return fmt.Errorf(
-						"MySQL protocol error, illegal decimals value %d",
+						"protocol error, illegal decimals value %d",
 						rows.columns[i].decimals,
 					)
 				}
 				dest[i], err = formatBinaryDateTime(data[pos:pos+int(num)], dstlen, true)
 			case rows.mc.parseTime:
-				dest[i], err = parseBinaryDateTime(num, data[pos:], rows.mc.cfg.loc)
+				dest[i], err = parseBinaryDateTime(num, data[pos:], rows.mc.cfg.Loc)
 			default:
 				var dstlen uint8
 				if rows.columns[i].fieldType == fieldTypeDate {
@@ -1097,7 +1218,7 @@ func (rows *binaryRows) readRow(dest []driver.Value) error {
 						dstlen = 19 + 1 + decimals
 					default:
 						return fmt.Errorf(
-							"MySQL protocol error, illegal decimals value %d",
+							"protocol error, illegal decimals value %d",
 							rows.columns[i].decimals,
 						)
 					}
@@ -1114,7 +1235,7 @@ func (rows *binaryRows) readRow(dest []driver.Value) error {
 
 		// Please report if this happens!
 		default:
-			return fmt.Errorf("Unknown FieldType %d", rows.columns[i].fieldType)
+			return fmt.Errorf("unknown field type %d", rows.columns[i].fieldType)
 		}
 	}
 

Godeps/_workspace/src/github.com/go-sql-driver/mysql/rows.go

@@ -14,6 +14,7 @@ import (
 )
 
 type mysqlField struct {
+	tableName string
 	name      string
 	flags     fieldFlag
 	fieldType byte
@@ -37,8 +38,18 @@ type emptyRows struct{}
 
 func (rows *mysqlRows) Columns() []string {
 	columns := make([]string, len(rows.columns))
-	for i := range columns {
-		columns[i] = rows.columns[i].name
+	if rows.mc != nil && rows.mc.cfg.ColumnsWithAlias {
+		for i := range columns {
+			if tableName := rows.columns[i].tableName; len(tableName) > 0 {
+				columns[i] = tableName + "." + rows.columns[i].name
+			} else {
+				columns[i] = rows.columns[i].name
+			}
+		}
+	} else {
+		for i := range columns {
+			columns[i] = rows.columns[i].name
+		}
 	}
 	return columns
 }
@@ -54,6 +65,12 @@ func (rows *mysqlRows) Close() error {
 
 	// Remove unread packets from stream
 	err := mc.readUntilEOF()
+	if err == nil {
+		if err = mc.discardResults(); err != nil {
+			return err
+		}
+	}
+
 	rows.mc = nil
 	return err
 }
@@ -65,10 +82,7 @@ func (rows *binaryRows) Next(dest []driver.Value) error {
 		}
 
 		// Fetch next row from stream
-		if err := rows.readRow(dest); err != io.EOF {
-			return err
-		}
-		rows.mc = nil
+		return rows.readRow(dest)
 	}
 	return io.EOF
 }
@@ -80,10 +94,7 @@ func (rows *textRows) Next(dest []driver.Value) error {
 		}
 
 		// Fetch next row from stream
-		if err := rows.readRow(dest); err != io.EOF {
-			return err
-		}
-		rows.mc = nil
+		return rows.readRow(dest)
 	}
 	return io.EOF
 }

Godeps/_workspace/src/github.com/go-sql-driver/mysql/statement.go

@@ -10,6 +10,9 @@ package mysql
 
 import (
 	"database/sql/driver"
+	"fmt"
+	"reflect"
+	"strconv"
 )
 
 type mysqlStmt struct {
@@ -34,6 +37,10 @@ func (stmt *mysqlStmt) NumInput() int {
 	return stmt.paramCount
 }
 
+func (stmt *mysqlStmt) ColumnConverter(idx int) driver.ValueConverter {
+	return converter{}
+}
+
 func (stmt *mysqlStmt) Exec(args []driver.Value) (driver.Result, error) {
 	if stmt.mc.netConn == nil {
 		errLog.Print(ErrInvalidConn)
@@ -94,9 +101,9 @@ func (stmt *mysqlStmt) Query(args []driver.Value) (driver.Rows, error) {
 	}
 
 	rows := new(binaryRows)
-	rows.mc = mc
 
 	if resLen > 0 {
+		rows.mc = mc
 		// Columns
 		// If not cached, read them and cache them
 		if stmt.columns == nil {
@@ -110,3 +117,34 @@ func (stmt *mysqlStmt) Query(args []driver.Value) (driver.Rows, error) {
 
 	return rows, err
 }
+
+type converter struct{}
+
+func (c converter) ConvertValue(v interface{}) (driver.Value, error) {
+	if driver.IsValue(v) {
+		return v, nil
+	}
+
+	rv := reflect.ValueOf(v)
+	switch rv.Kind() {
+	case reflect.Ptr:
+		// indirect pointers
+		if rv.IsNil() {
+			return nil, nil
+		}
+		return c.ConvertValue(rv.Elem().Interface())
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return rv.Int(), nil
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32:
+		return int64(rv.Uint()), nil
+	case reflect.Uint64:
+		u64 := rv.Uint()
+		if u64 >= 1<<63 {
+			return strconv.FormatUint(u64, 10), nil
+		}
+		return int64(u64), nil
+	case reflect.Float32, reflect.Float64:
+		return rv.Float(), nil
+	}
+	return nil, fmt.Errorf("unsupported type %T, a %s", v, rv.Kind())
+}

Godeps/_workspace/src/github.com/go-sql-driver/mysql/utils.go

@@ -13,26 +13,16 @@ import (
 	"crypto/tls"
 	"database/sql/driver"
 	"encoding/binary"
-	"errors"
 	"fmt"
 	"io"
-	"net/url"
 	"strings"
 	"time"
 )
 
 var (
 	tlsConfigRegister map[string]*tls.Config // Register for custom tls.Configs
-
-	errInvalidDSNUnescaped = errors.New("Invalid DSN: Did you forget to escape a param value?")
-	errInvalidDSNAddr      = errors.New("Invalid DSN: Network Address not terminated (missing closing brace)")
-	errInvalidDSNNoSlash   = errors.New("Invalid DSN: Missing the slash separating the database name")
 )
 
-func init() {
-	tlsConfigRegister = make(map[string]*tls.Config)
-}
-
 // RegisterTLSConfig registers a custom tls.Config to be used with sql.Open.
 // Use the key as a value in the DSN where tls=value.
 //
@@ -58,7 +48,11 @@ func init() {
 //
 func RegisterTLSConfig(key string, config *tls.Config) error {
 	if _, isBool := readBool(key); isBool || strings.ToLower(key) == "skip-verify" {
-		return fmt.Errorf("Key '%s' is reserved", key)
+		return fmt.Errorf("key '%s' is reserved", key)
+	}
+
+	if tlsConfigRegister == nil {
+		tlsConfigRegister = make(map[string]*tls.Config)
 	}
 
 	tlsConfigRegister[key] = config
@@ -67,202 +61,9 @@ func RegisterTLSConfig(key string, config *tls.Config) error {
 
 // DeregisterTLSConfig removes the tls.Config associated with key.
 func DeregisterTLSConfig(key string) {
-	delete(tlsConfigRegister, key)
-}
-
-// parseDSN parses the DSN string to a config
-func parseDSN(dsn string) (cfg *config, err error) {
-	// New config with some default values
-	cfg = &config{
-		loc:       time.UTC,
-		collation: defaultCollation,
-	}
-
-	// TODO: use strings.IndexByte when we can depend on Go 1.2
-
-	// [user[:password]@][net[(addr)]]/dbname[?param1=value1&paramN=valueN]
-	// Find the last '/' (since the password or the net addr might contain a '/')
-	foundSlash := false
-	for i := len(dsn) - 1; i >= 0; i-- {
-		if dsn[i] == '/' {
-			foundSlash = true
-			var j, k int
-
-			// left part is empty if i <= 0
-			if i > 0 {
-				// [username[:password]@][protocol[(address)]]
-				// Find the last '@' in dsn[:i]
-				for j = i; j >= 0; j-- {
-					if dsn[j] == '@' {
-						// username[:password]
-						// Find the first ':' in dsn[:j]
-						for k = 0; k < j; k++ {
-							if dsn[k] == ':' {
-								cfg.passwd = dsn[k+1 : j]
-								break
-							}
-						}
-						cfg.user = dsn[:k]
-
-						break
-					}
-				}
-
-				// [protocol[(address)]]
-				// Find the first '(' in dsn[j+1:i]
-				for k = j + 1; k < i; k++ {
-					if dsn[k] == '(' {
-						// dsn[i-1] must be == ')' if an address is specified
-						if dsn[i-1] != ')' {
-							if strings.ContainsRune(dsn[k+1:i], ')') {
-								return nil, errInvalidDSNUnescaped
-							}
-							return nil, errInvalidDSNAddr
-						}
-						cfg.addr = dsn[k+1 : i-1]
-						break
-					}
-				}
-				cfg.net = dsn[j+1 : k]
-			}
-
-			// dbname[?param1=value1&...&paramN=valueN]
-			// Find the first '?' in dsn[i+1:]
-			for j = i + 1; j < len(dsn); j++ {
-				if dsn[j] == '?' {
-					if err = parseDSNParams(cfg, dsn[j+1:]); err != nil {
-						return
-					}
-					break
-				}
-			}
-			cfg.dbname = dsn[i+1 : j]
-
-			break
-		}
-	}
-
-	if !foundSlash && len(dsn) > 0 {
-		return nil, errInvalidDSNNoSlash
-	}
-
-	// Set default network if empty
-	if cfg.net == "" {
-		cfg.net = "tcp"
-	}
-
-	// Set default address if empty
-	if cfg.addr == "" {
-		switch cfg.net {
-		case "tcp":
-			cfg.addr = "127.0.0.1:3306"
-		case "unix":
-			cfg.addr = "/tmp/mysql.sock"
-		default:
-			return nil, errors.New("Default addr for network '" + cfg.net + "' unknown")
-		}
-
+	if tlsConfigRegister != nil {
+		delete(tlsConfigRegister, key)
 	}
-
-	return
-}
-
-// parseDSNParams parses the DSN "query string"
-// Values must be url.QueryEscape'ed
-func parseDSNParams(cfg *config, params string) (err error) {
-	for _, v := range strings.Split(params, "&") {
-		param := strings.SplitN(v, "=", 2)
-		if len(param) != 2 {
-			continue
-		}
-
-		// cfg params
-		switch value := param[1]; param[0] {
-
-		// Disable INFILE whitelist / enable all files
-		case "allowAllFiles":
-			var isBool bool
-			cfg.allowAllFiles, isBool = readBool(value)
-			if !isBool {
-				return fmt.Errorf("Invalid Bool value: %s", value)
-			}
-
-		// Use old authentication mode (pre MySQL 4.1)
-		case "allowOldPasswords":
-			var isBool bool
-			cfg.allowOldPasswords, isBool = readBool(value)
-			if !isBool {
-				return fmt.Errorf("Invalid Bool value: %s", value)
-			}
-
-		// Switch "rowsAffected" mode
-		case "clientFoundRows":
-			var isBool bool
-			cfg.clientFoundRows, isBool = readBool(value)
-			if !isBool {
-				return fmt.Errorf("Invalid Bool value: %s", value)
-			}
-
-		// Collation
-		case "collation":
-			collation, ok := collations[value]
-			if !ok {
-				// Note possibility for false negatives:
-				// could be triggered  although the collation is valid if the
-				// collations map does not contain entries the server supports.
-				err = errors.New("unknown collation")
-				return
-			}
-			cfg.collation = collation
-			break
-
-		// Time Location
-		case "loc":
-			if value, err = url.QueryUnescape(value); err != nil {
-				return
-			}
-			cfg.loc, err = time.LoadLocation(value)
-			if err != nil {
-				return
-			}
-
-		// Dial Timeout
-		case "timeout":
-			cfg.timeout, err = time.ParseDuration(value)
-			if err != nil {
-				return
-			}
-
-		// TLS-Encryption
-		case "tls":
-			boolValue, isBool := readBool(value)
-			if isBool {
-				if boolValue {
-					cfg.tls = &tls.Config{}
-				}
-			} else {
-				if strings.ToLower(value) == "skip-verify" {
-					cfg.tls = &tls.Config{InsecureSkipVerify: true}
-				} else if tlsConfig, ok := tlsConfigRegister[value]; ok {
-					cfg.tls = tlsConfig
-				} else {
-					return fmt.Errorf("Invalid value / unknown config name: %s", value)
-				}
-			}
-
-		default:
-			// lazy init
-			if cfg.params == nil {
-				cfg.params = make(map[string]string)
-			}
-
-			if cfg.params[param[0]], err = url.QueryUnescape(value); err != nil {
-				return
-			}
-		}
-	}
-
-	return
 }
 
 // Returns the bool value of the input.
@@ -459,7 +260,7 @@ func parseDateTime(str string, loc *time.Location) (t time.Time, err error) {
 		}
 		t, err = time.Parse(timeFormat[:len(str)], str)
 	default:
-		err = fmt.Errorf("Invalid Time-String: %s", str)
+		err = fmt.Errorf("invalid time string: %s", str)
 		return
 	}
 
@@ -508,7 +309,7 @@ func parseBinaryDateTime(num uint64, data []byte, loc *time.Location) (driver.Va
 			loc,
 		), nil
 	}
-	return nil, fmt.Errorf("Invalid DATETIME-packet length %d", num)
+	return nil, fmt.Errorf("invalid DATETIME packet length %d", num)
 }
 
 // zeroDateTime is used in formatBinaryDateTime to avoid an allocation
@@ -517,11 +318,12 @@ func parseBinaryDateTime(num uint64, data []byte, loc *time.Location) (driver.Va
 // The current behavior depends on database/sql copying the result.
 var zeroDateTime = []byte("0000-00-00 00:00:00.000000")
 
+const digits01 = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+const digits10 = "0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999"
+
 func formatBinaryDateTime(src []byte, length uint8, justTime bool) (driver.Value, error) {
 	// length expects the deterministic length of the zero value,
 	// negative time and 100+ hours are automatically added if needed
-	const digits01 = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
-	const digits10 = "0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999"
 	if len(src) == 0 {
 		if justTime {
 			return zeroDateTime[11 : 11+length], nil
@@ -542,7 +344,7 @@ func formatBinaryDateTime(src []byte, length uint8, justTime bool) (driver.Value
 		switch len(src) {
 		case 8, 12:
 		default:
-			return nil, fmt.Errorf("Invalid TIME-packet length %d", len(src))
+			return nil, fmt.Errorf("invalid TIME packet length %d", len(src))
 		}
 		// +2 to enable negative time and 100+ hours
 		dst = make([]byte, 0, length+2)
@@ -576,7 +378,7 @@ func formatBinaryDateTime(src []byte, length uint8, justTime bool) (driver.Value
 			if length > 10 {
 				t += "TIME"
 			}
-			return nil, fmt.Errorf("illegal %s-packet length %d", t, len(src))
+			return nil, fmt.Errorf("illegal %s packet length %d", t, len(src))
 		}
 		dst = make([]byte, 0, length)
 		// start with the date
@@ -742,6 +544,10 @@ func skipLengthEncodedString(b []byte) (int, error) {
 
 // returns the number read, whether the value is NULL and the number of bytes read
 func readLengthEncodedInteger(b []byte) (uint64, bool, int) {
+	// See issue #349
+	if len(b) == 0 {
+		return 0, true, 1
+	}
 	switch b[0] {
 
 	// 251: NULL
@@ -783,3 +589,152 @@ func appendLengthEncodedInteger(b []byte, n uint64) []byte {
 	return append(b, 0xfe, byte(n), byte(n>>8), byte(n>>16), byte(n>>24),
 		byte(n>>32), byte(n>>40), byte(n>>48), byte(n>>56))
 }
+
+// reserveBuffer checks cap(buf) and expand buffer to len(buf) + appendSize.
+// If cap(buf) is not enough, reallocate new buffer.
+func reserveBuffer(buf []byte, appendSize int) []byte {
+	newSize := len(buf) + appendSize
+	if cap(buf) < newSize {
+		// Grow buffer exponentially
+		newBuf := make([]byte, len(buf)*2+appendSize)
+		copy(newBuf, buf)
+		buf = newBuf
+	}
+	return buf[:newSize]
+}
+
+// escapeBytesBackslash escapes []byte with backslashes (\)
+// This escapes the contents of a string (provided as []byte) by adding backslashes before special
+// characters, and turning others into specific escape sequences, such as
+// turning newlines into \n and null bytes into \0.
+// https://github.com/mysql/mysql-server/blob/mysql-5.7.5/mysys/charset.c#L823-L932
+func escapeBytesBackslash(buf, v []byte) []byte {
+	pos := len(buf)
+	buf = reserveBuffer(buf, len(v)*2)
+
+	for _, c := range v {
+		switch c {
+		case '\x00':
+			buf[pos] = '\\'
+			buf[pos+1] = '0'
+			pos += 2
+		case '\n':
+			buf[pos] = '\\'
+			buf[pos+1] = 'n'
+			pos += 2
+		case '\r':
+			buf[pos] = '\\'
+			buf[pos+1] = 'r'
+			pos += 2
+		case '\x1a':
+			buf[pos] = '\\'
+			buf[pos+1] = 'Z'
+			pos += 2
+		case '\'':
+			buf[pos] = '\\'
+			buf[pos+1] = '\''
+			pos += 2
+		case '"':
+			buf[pos] = '\\'
+			buf[pos+1] = '"'
+			pos += 2
+		case '\\':
+			buf[pos] = '\\'
+			buf[pos+1] = '\\'
+			pos += 2
+		default:
+			buf[pos] = c
+			pos++
+		}
+	}
+
+	return buf[:pos]
+}
+
+// escapeStringBackslash is similar to escapeBytesBackslash but for string.
+func escapeStringBackslash(buf []byte, v string) []byte {
+	pos := len(buf)
+	buf = reserveBuffer(buf, len(v)*2)
+
+	for i := 0; i < len(v); i++ {
+		c := v[i]
+		switch c {
+		case '\x00':
+			buf[pos] = '\\'
+			buf[pos+1] = '0'
+			pos += 2
+		case '\n':
+			buf[pos] = '\\'
+			buf[pos+1] = 'n'
+			pos += 2
+		case '\r':
+			buf[pos] = '\\'
+			buf[pos+1] = 'r'
+			pos += 2
+		case '\x1a':
+			buf[pos] = '\\'
+			buf[pos+1] = 'Z'
+			pos += 2
+		case '\'':
+			buf[pos] = '\\'
+			buf[pos+1] = '\''
+			pos += 2
+		case '"':
+			buf[pos] = '\\'
+			buf[pos+1] = '"'
+			pos += 2
+		case '\\':
+			buf[pos] = '\\'
+			buf[pos+1] = '\\'
+			pos += 2
+		default:
+			buf[pos] = c
+			pos++
+		}
+	}
+
+	return buf[:pos]
+}
+
+// escapeBytesQuotes escapes apostrophes in []byte by doubling them up.
+// This escapes the contents of a string by doubling up any apostrophes that
+// it contains. This is used when the NO_BACKSLASH_ESCAPES SQL_MODE is in
+// effect on the server.
+// https://github.com/mysql/mysql-server/blob/mysql-5.7.5/mysys/charset.c#L963-L1038
+func escapeBytesQuotes(buf, v []byte) []byte {
+	pos := len(buf)
+	buf = reserveBuffer(buf, len(v)*2)
+
+	for _, c := range v {
+		if c == '\'' {
+			buf[pos] = '\''
+			buf[pos+1] = '\''
+			pos += 2
+		} else {
+			buf[pos] = c
+			pos++
+		}
+	}
+
+	return buf[:pos]
+}
+
+// escapeStringQuotes is similar to escapeBytesQuotes but for string.
+func escapeStringQuotes(buf []byte, v string) []byte {
+	pos := len(buf)
+	buf = reserveBuffer(buf, len(v)*2)
+
+	for i := 0; i < len(v); i++ {
+		c := v[i]
+		if c == '\'' {
+			buf[pos] = '\''
+			buf[pos+1] = '\''
+			pos += 2
+		} else {
+			buf[pos] = c
+			pos++
+		}
+	}
+
+	return buf[:pos]
+}

Godeps/_workspace/src/github.com/go-sql-driver/mysql/utils_test.go

@@ -16,76 +16,6 @@ import (
 	"time"
 )
 
-var testDSNs = []struct {
-	in  string
-	out string
-	loc *time.Location
-}{
-	{"username:password@protocol(address)/dbname?param=value", "&{user:username passwd:password net:protocol addr:address dbname:dbname params:map[param:value] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-	{"user@unix(/path/to/socket)/dbname?charset=utf8", "&{user:user passwd: net:unix addr:/path/to/socket dbname:dbname params:map[charset:utf8] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-	{"user:password@tcp(localhost:5555)/dbname?charset=utf8&tls=true", "&{user:user passwd:password net:tcp addr:localhost:5555 dbname:dbname params:map[charset:utf8] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-	{"user:password@tcp(localhost:5555)/dbname?charset=utf8mb4,utf8&tls=skip-verify", "&{user:user passwd:password net:tcp addr:localhost:5555 dbname:dbname params:map[charset:utf8mb4,utf8] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-	{"user:password@/dbname?loc=UTC&timeout=30s&allowAllFiles=1&clientFoundRows=true&allowOldPasswords=TRUE&collation=utf8mb4_unicode_ci", "&{user:user passwd:password net:tcp addr:127.0.0.1:3306 dbname:dbname params:map[] loc:%p tls:<nil> timeout:30000000000 collation:224 allowAllFiles:true allowOldPasswords:true clientFoundRows:true}", time.UTC},
-	{"user:p@ss(word)@tcp([de:ad:be:ef::ca:fe]:80)/dbname?loc=Local", "&{user:user passwd:p@ss(word) net:tcp addr:[de:ad:be:ef::ca:fe]:80 dbname:dbname params:map[] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.Local},
-	{"/dbname", "&{user: passwd: net:tcp addr:127.0.0.1:3306 dbname:dbname params:map[] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-	{"@/", "&{user: passwd: net:tcp addr:127.0.0.1:3306 dbname: params:map[] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-	{"/", "&{user: passwd: net:tcp addr:127.0.0.1:3306 dbname: params:map[] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-	{"", "&{user: passwd: net:tcp addr:127.0.0.1:3306 dbname: params:map[] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-	{"user:p@/ssword@/", "&{user:user passwd:p@/ssword net:tcp addr:127.0.0.1:3306 dbname: params:map[] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-	{"unix/?arg=%2Fsome%2Fpath.ext", "&{user: passwd: net:unix addr:/tmp/mysql.sock dbname: params:map[arg:/some/path.ext] loc:%p tls:<nil> timeout:0 collation:33 allowAllFiles:false allowOldPasswords:false clientFoundRows:false}", time.UTC},
-}
-
-func TestDSNParser(t *testing.T) {
-	var cfg *config
-	var err error
-	var res string
-
-	for i, tst := range testDSNs {
-		cfg, err = parseDSN(tst.in)
-		if err != nil {
-			t.Error(err.Error())
-		}
-
-		// pointer not static
-		cfg.tls = nil
-
-		res = fmt.Sprintf("%+v", cfg)
-		if res != fmt.Sprintf(tst.out, tst.loc) {
-			t.Errorf("%d. parseDSN(%q) => %q, want %q", i, tst.in, res, fmt.Sprintf(tst.out, tst.loc))
-		}
-	}
-}
-
-func TestDSNParserInvalid(t *testing.T) {
-	var invalidDSNs = []string{
-		"@net(addr/",                  // no closing brace
-		"@tcp(/",                      // no closing brace
-		"tcp(/",                       // no closing brace
-		"(/",                          // no closing brace
-		"net(addr)//",                 // unescaped
-		"user:pass@tcp(1.2.3.4:3306)", // no trailing slash
-		//"/dbname?arg=/some/unescaped/path",
-	}
-
-	for i, tst := range invalidDSNs {
-		if _, err := parseDSN(tst); err == nil {
-			t.Errorf("invalid DSN #%d. (%s) didn't error!", i, tst)
-		}
-	}
-}
-
-func BenchmarkParseDSN(b *testing.B) {
-	b.ReportAllocs()
-
-	for i := 0; i < b.N; i++ {
-		for _, tst := range testDSNs {
-			if _, err := parseDSN(tst.in); err != nil {
-				b.Error(err.Error())
-			}
-		}
-	}
-}
-
 func TestScanNullTime(t *testing.T) {
 	var scanTests = []struct {
 		in    interface{}
@@ -210,3 +140,58 @@ func TestFormatBinaryDateTime(t *testing.T) {
 	expect("1978-12-30 15:46:23", 7, 19)
 	expect("1978-12-30 15:46:23.987654", 11, 26)
 }
+
+func TestEscapeBackslash(t *testing.T) {
+	expect := func(expected, value string) {
+		actual := string(escapeBytesBackslash([]byte{}, []byte(value)))
+		if actual != expected {
+			t.Errorf(
+				"expected %s, got %s",
+				expected, actual,
+			)
+		}
+
+		actual = string(escapeStringBackslash([]byte{}, value))
+		if actual != expected {
+			t.Errorf(
+				"expected %s, got %s",
+				expected, actual,
+			)
+		}
+	}
+
+	expect("foo\\0bar", "foo\x00bar")
+	expect("foo\\nbar", "foo\nbar")
+	expect("foo\\rbar", "foo\rbar")
+	expect("foo\\Zbar", "foo\x1abar")
+	expect("foo\\\"bar", "foo\"bar")
+	expect("foo\\\\bar", "foo\\bar")
+	expect("foo\\'bar", "foo'bar")
+}
+
+func TestEscapeQuotes(t *testing.T) {
+	expect := func(expected, value string) {
+		actual := string(escapeBytesQuotes([]byte{}, []byte(value)))
+		if actual != expected {
+			t.Errorf(
+				"expected %s, got %s",
+				expected, actual,
+			)
+		}
+
+		actual = string(escapeStringQuotes([]byte{}, value))
+		if actual != expected {
+			t.Errorf(
+				"expected %s, got %s",
+				expected, actual,
+			)
+		}
+	}
+
+	expect("foo\x00bar", "foo\x00bar") // not affected
+	expect("foo\nbar", "foo\nbar")     // not affected
+	expect("foo\rbar", "foo\rbar")     // not affected
+	expect("foo\x1abar", "foo\x1abar") // not affected
+	expect("foo''bar", "foo'bar")      // affected
+	expect("foo\"bar", "foo\"bar")     // not affected
+}