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fix join reorder bug

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zzg19950727 2023-09-14 08:40:06 +00:00 committed by ob-robot
parent 8916aa3e85
commit 94dc17a7f8
1 changed files with 3 additions and 1 deletions
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4
src/sql/optimizer/ob_log_plan.cpp
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@ -1827,7 +1827,9 @@ int ObLogPlan::check_join_info(const ObRelIds &left,
int ret = OB_SUCCESS;
ObSqlBitSet<> table_ids;
is_connected = false;
if (OB_FAIL(table_ids.except(left, right))) {
if (!left.overlap(right)) {
//do nothing
} else if (OB_FAIL(table_ids.except(left, right))) {
LOG_WARN("failed to cal except for rel ids", K(ret));
} else if (table_ids.is_empty()) {
is_connected = true;