fix some national string bug

2023-06-02 06:12:18 +00:00
parent 157ecc38a3
commit bf02211328
3 changed files with 14 additions and 7 deletions
--- a/src/sql/parser/sql_parser_mysql_mode.y
+++ b/src/sql/parser/sql_parser_mysql_mode.y
@ -730,7 +730,7 @@ expr
 {
  $$ = $1;
  /* every mysql's item(same as ob's expr) has its own name */
-  if (OB_UNLIKELY((NULL == $$->str_value_)) && $$->type_ != T_VARCHAR) {
+  if (OB_UNLIKELY((NULL == $$->str_value_)) && $$->type_ != T_NCHAR && $$->type_ != T_VARCHAR) {
    dup_string($$, result, @1.first_column, @1.last_column);
  }
 }