fixing query

dbcon/postgresql.go

@@ -319,7 +319,7 @@ func NewPostgreSql(option *PostgreSqlOption) (ORM, error) {
 
 func generateSQLFromStorage(tableName string, columnAndValues interface{}) string {
 	st := reflect.TypeOf(columnAndValues)
-	var columnNames strings.Builder
+	var columnNames string
 
 	for i := 0; i < st.NumField(); i++ {
 		field := st.Field(i)
@@ -347,10 +347,10 @@ func generateSQLFromStorage(tableName string, columnAndValues interface{}) strin
 			}
 		}
 
-		columnNames.WriteString(fmt.Sprintf("%s %s %s %s ,", columnNames, typeName, argName, keysName))
+		columnNames += fmt.Sprintf("%s %s %s %s ,", columnNames, typeName, argName, keysName)
 	}
 
-	columnNamesStr := strings.TrimRight(columnNames.String(), ",")
+	columnNamesStr := strings.TrimRight(columnNames, ",")
 
 	return fmt.Sprintf("CREATE TABLE %s '(%s)'", tableName, columnNamesStr)
 }