transformer

type Result struct {
	Ignore       bool          // whether the event should be ignored
	IgnoreReason string        // why the transformer ignore the event
	LogPos       uint32        // binlog event's End_log_pos or Position in RotateEvent
	NextLogName  string        // next binlog filename, only valid for RotateEvent
	GTIDSet      mysql.GTIDSet // GTIDSet got from QueryEvent and XIDEvent when RawModeEnabled not true
	CanSaveGTID  bool          // whether can save GTID into meta, true for DDL query and XIDEvent
}

type Transformer interface {
	// Transform transforms a binlog event.
	Transform(e *replication.BinlogEvent) Result
}