修复join无法使用with临时表问题

chain.go

@@ -291,7 +291,6 @@ func (this *Query) BuildSelectSql() (map[string]interface{}, error) {
 	withSql := ""
 	if len(this.with) > 0 {
 		var builder strings.Builder
-		builder.Reset()
 		builder.WriteString("WITH ")
 		boo := false
 		for k, v := range this.with {
@@ -352,12 +351,11 @@ func (this *Query) BuildSelectSql() (map[string]interface{}, error) {
 
 	if len(this.join) > 0 {
 		var builder strings.Builder
-		builder.Reset()
+		builder.WriteString(sql)
 		for _, joinitem := range this.join {
 			if len(joinitem) < 2 {
 				continue
 			}
-			builder.WriteString(sql)
 			builder.WriteString(" ")
 			if len(joinitem) >= 3 {
 				builder.WriteString(joinitem[2])

db.go

@@ -307,7 +307,6 @@ func GetRow(dbName, table_name, alias string, titles string, with, join [][]stri
 	withSql := ""
 	if len(with) > 0 {
 		var builder strings.Builder
-		builder.Reset()
 		builder.WriteString("WITH ")
 		boo := false
 		for k, v := range with {
@@ -354,12 +353,11 @@ func GetRow(dbName, table_name, alias string, titles string, with, join [][]stri
 
 	if len(join) > 0 {
 		var builder strings.Builder
-		builder.Reset()
+		builder.WriteString(sql_str)
 		for _, joinitem := range join {
 			if len(joinitem) < 2 {
 				continue
 			}
-			builder.WriteString(sql_str)
 			builder.WriteString(" ")
 			if len(joinitem) >= 3 {
 				builder.WriteString(joinitem[2])
@@ -498,7 +496,6 @@ func FetchRows(dbName, table_name, alias string, titles string, with, join [][]s
 	withSql := ""
 	if len(with) > 0 {
 		var builder strings.Builder
-		builder.Reset()
 		builder.WriteString("WITH ")
 		boo := false
 		for k, v := range with {
@@ -546,12 +543,12 @@ func FetchRows(dbName, table_name, alias string, titles string, with, join [][]s
 
 	if len(join) > 0 {
 		var builder strings.Builder
-		builder.Reset()
+		builder.WriteString(sql_str)
 		for _, joinitem := range join {
 			if len(joinitem) < 2 {
 				continue
 			}
-			builder.WriteString(sql_str)
+
 			builder.WriteString(" ")
 			if len(joinitem) >= 3 {
 				builder.WriteString(joinitem[2])

transaction_chain.go

@@ -225,7 +225,6 @@ func (this *TxQuery) BuildSelectSql() (map[string]interface{}, error) {
 	withSql := ""
 	if len(this.with) > 0 {
 		var builder strings.Builder
-		builder.Reset()
 		builder.WriteString("WITH ")
 		boo := false
 		for k, v := range this.with {
@@ -270,14 +269,11 @@ func (this *TxQuery) BuildSelectSql() (map[string]interface{}, error) {
 
 	if len(this.join) > 0 {
 		var builder strings.Builder
-		builder.Reset()
+		builder.WriteString(sql)
 		for _, joinitem := range this.join {
 			if len(joinitem) < 2 {
 				continue
 			}
-			builder.WriteString(sql)
-			builder.WriteString(" ")
-			builder.WriteString(sql)
 			builder.WriteString(" ")
 			if len(joinitem) >= 3 {
 				builder.WriteString(joinitem[2])