Fix core at RCTE

2023-10-17 06:39:31 +00:00
parent 4bc4349d20
commit 86d7a2b8d6
2 changed files with 31 additions and 9 deletions
--- a/src/sql/optimizer/ob_optimizer_util.cpp
+++ b/src/sql/optimizer/ob_optimizer_util.cpp
@ -6293,9 +6293,8 @@ int ObOptimizerUtil::try_add_cast_to_set_child_list(ObIAllocator *allocator,
        if (OB_FAIL(ret)) {
        } else if (is_mysql_recursive_union) {
          if (left_type.is_null()) {
-            res_type.set_binary();
-            res_type.set_length(0);
-            res_type.set_collation_level(CS_LEVEL_IMPLICIT);
+            ret = OB_ERR_UNEXPECTED;
+            LOG_WARN("unexpected rcte type", K(ret), K(left_stmts));
          } else {
            res_type = left_type;
          }