hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Fix subquery coalesce bug

Browse Source
This commit is contained in:
xianyu-w
2023-07-05 01:18:03 +00:00
committed by ob-robot
parent cfdd2747fa
commit 39b41bc893
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/sql/rewrite/ob_transform_subquery_coalesce.cpp
View File

@ -439,6 +439,8 @@ int ObTransformSubqueryCoalesce::coalesce_same_any_all_exprs(ObDMLStmt *stmt,
second_query_ref->get_ref_stmt(), second_query_ref->get_ref_stmt(),
map_info, relation))) { map_info, relation))) {
LOG_WARN("failed to check stmt containment", K(ret)); LOG_WARN("failed to check stmt containment", K(ret));
} else if (!map_info.is_select_item_equal_) {
OPT_TRACE("stmts have different select items, can not coalesce");
} else if (relation == QUERY_LEFT_SUBSET || relation == QUERY_EQUAL) { } else if (relation == QUERY_LEFT_SUBSET || relation == QUERY_EQUAL) {
remove_index = (type == T_ANY ? j : i); remove_index = (type == T_ANY ? j : i);
OPT_TRACE("right query contain left query, will coalesce suqbeury"); OPT_TRACE("right query contain left query, will coalesce suqbeury");