bugfix : dynamic sql without quesmark type check && encoding session & xmltype compare in case

2023-05-24 05:11:48 +00:00
parent 9313ad1d4b
commit bb69281e07
2 changed files with 6 additions and 5 deletions
--- a/src/sql/resolver/expr/ob_raw_expr_util.cpp
+++ b/src/sql/resolver/expr/ob_raw_expr_util.cpp
@ -6393,7 +6393,8 @@ int ObRawExprUtils::check_composite_cast(ObRawExpr *&expr, ObSchemaChecker &sche
        }
      }
    } else if (ObExtendType == obj_type
-               && OB_INVALID_ID != udt_id) {
+               && OB_INVALID_ID != udt_id
+               && src->get_expr_type() != T_QUESTIONMARK) {
      if (ObNullType == src->get_result_type().get_type()) {
        // do nothing
      } else if (src->get_result_type().is_user_defined_sql_type()) {