fix wrong comment

syncer/syncer.go

@@ -1728,7 +1728,7 @@ func (s *Syncer) handleQueryEvent(ev *replication.QueryEvent, ec eventContext) e
 	)
 
 	// for DDL, we don't apply operator until we try to execute it. so can handle sharding cases
-	// We use default parser because ddls are came from *Syncer.handleDDL, which is StringSingleQuotes, KeyWordUppercase and NameBackQuotes
+	// We use default parser because inside function where need parser, sqls are came from parserpkg.SplitDDL, which is StringSingleQuotes, KeyWordUppercase and NameBackQuotes
 	sqls, onlineDDLTableNames, err = s.resolveDDLSQL(ec.tctx, parser.New(), parseResult.stmt, usedSchema)
 	if err != nil {
 		s.tctx.L().Error("fail to resolve statement", zap.String("event", "query"), zap.String("statement", sql), zap.String("schema", usedSchema), zap.Stringer("last location", ec.lastLocation), log.WrapStringerField("location", ec.currentLocation), log.ShortError(err))