fix mysqldump option (go-mysql-org#449)

* fix mysqldump option

Author: WiFeng

canal/canal.go

@@ -155,6 +155,7 @@ func (c *Canal) prepareDumper() error {
 	c.dumper.SkipMasterData(c.cfg.Dump.SkipMasterData)
 	c.dumper.SetMaxAllowedPacket(c.cfg.Dump.MaxAllowedPacketMB)
 	c.dumper.SetProtocol(c.cfg.Dump.Protocol)
+	c.dumper.SetExtraOptions(c.cfg.Dump.ExtraOptions)
 	// Use hex blob for mysqldump
 	c.dumper.SetHexBlob(true)
 

canal/config.go

@@ -39,6 +39,9 @@ type DumpConfig struct {
 
 	// Set to change the default protocol to connect with
 	Protocol string `toml:"protocol"`
+
+	// Set extra options
+	ExtraOptions []string `toml:"extra_options"`
 }
 
 type Config struct {

dump/dump.go

@@ -33,6 +33,8 @@ type Dumper struct {
 
 	IgnoreTables map[string][]string
 
+	ExtraOptions []string
+
 	ErrOut io.Writer
 
 	masterDataSkipped bool
@@ -59,6 +61,7 @@ func NewDumper(executionPath string, addr string, user string, password string)
 	d.Databases = make([]string, 0, 16)
 	d.Charset = DEFAULT_CHARSET
 	d.IgnoreTables = make(map[string][]string)
+	d.ExtraOptions = make([]string, 0, 5)
 	d.masterDataSkipped = false
 
 	d.ErrOut = os.Stderr
@@ -78,6 +81,10 @@ func (d *Dumper) SetWhere(where string) {
 	d.Where = where
 }
 
+func (d *Dumper) SetExtraOptions(options []string) {
+	d.ExtraOptions = options
+}
+
 func (d *Dumper) SetErrOut(o io.Writer) {
 	d.ErrOut = o
 }
@@ -185,6 +192,10 @@ func (d *Dumper) Dump(w io.Writer) error {
 		args = append(args, fmt.Sprintf("--where=%s", d.Where))
 	}
 
+	if len(d.ExtraOptions) != 0 {
+		args = append(args, d.ExtraOptions...)
+	}
+
 	if len(d.Tables) == 0 && len(d.Databases) == 0 {
 		args = append(args, "--all-databases")
 	} else if len(d.Tables) == 0 {