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Disable group by pushdown in index scan.

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obdev 2024-09-20 06:04:05 +00:00 committed by ob-robot
parent 6c86c5727c
commit df5cf1d9be
1 changed files with 2 additions and 0 deletions
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2
src/sql/optimizer/ob_log_plan.cpp
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@ -5366,6 +5366,7 @@ int ObLogPlan::try_push_aggr_into_table_scan(ObLogicalOperator *top,
scan_op->get_index_back() ||
scan_op->is_text_retrieval_scan() ||
scan_op->is_sample_scan() ||
(scan_op->is_index_scan() && !groupby_columns.empty()) ||
(is_descending_direction(scan_op->get_scan_direction()) && !groupby_columns.empty())) {
//aggr func cannot be pushed down to the storage layer in these scenarios:
//1. TSC has index lookup
@ -5373,6 +5374,7 @@ int ObLogPlan::try_push_aggr_into_table_scan(ObLogicalOperator *top,
//3. TSC contains filters that cannot be pushed down to the storage
//4. TSC is point get
//5. TSC is text retrieval scan
//6. TSC is index table scan with group by
} else if (OB_FAIL(scan_op->get_pushdown_aggr_exprs().assign(aggr_items))) {
LOG_WARN("failed to assign group exprs", K(ret));
} else if (OB_FAIL(scan_op->get_pushdown_groupby_columns().assign(groupby_columns))) {