[CP] fix group_concat, wm_concat bugs

2022-07-04 10:13:08 +08:00
parent 473c0e9f53
commit e33baca83b
2 changed files with 5 additions and 6 deletions
--- a/src/sql/resolver/expr/ob_raw_expr_deduce_type.cpp
+++ b/src/sql/resolver/expr/ob_raw_expr_deduce_type.cpp
@ -1064,6 +1064,7 @@ int ObRawExprDeduceType::visit(ObAggFunRawExpr& expr)
          ret = OB_ERR_UNEXPECTED;
          LOG_WARN("get unexpected NULL", K(param_expr), K(my_session_), K(ret));
        } else {
+          result_type.set_accuracy(ObAccuracy::MAX_ACCURACY2[lib::is_oracle_mode()][ObLobType]);
          result_type.set_collation_type(my_session_->get_nls_collation());
          result_type.set_calc_collation_type(my_session_->get_nls_collation());
          result_type.set_collation_level(CS_LEVEL_IMPLICIT);