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[CP] fix sysbench newsort degradation

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This commit is contained in:
obdev
2023-04-13 07:08:08 +00:00
committed by ob-robot
parent eaeca23f8e
commit 7e1194920a
7 changed files with 61 additions and 41 deletions
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7
src/sql/optimizer/ob_select_log_plan.cpp
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@ -586,7 +586,10 @@ int ObSelectLogPlan::create_rollup_pushdown_plan(const ObIArray<ObRawExpr*> &gro
ObLogGroupBy *rollup_distributor = NULL;
ObLogGroupBy *rollup_collector = NULL;
bool can_sort_opt = true;
if (OB_FAIL(append(pre_group_exprs, group_by_exprs)) ||
if (OB_ISNULL(top)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (OB_FAIL(append(pre_group_exprs, group_by_exprs)) ||
OB_FAIL(append(pre_group_exprs, rollup_exprs))) {
LOG_WARN("failed to append pre group exprs", K(ret));
} else if (OB_FAIL(allocate_group_by_as_top(top,
@ -624,7 +627,7 @@ int ObSelectLogPlan::create_rollup_pushdown_plan(const ObIArray<ObRawExpr*> &gro
rd_sort_keys))) {
LOG_WARN("failed to make sort keys", K(ret));
} else if (OB_FAIL(ObOptimizerUtil::check_can_encode_sortkey(rd_sort_keys,
can_sort_opt, *this))) {
can_sort_opt, *this, top->get_card()))) {
LOG_WARN("failed to check encode sortkey expr", K(ret));
} else if (false
&& (OB_FAIL(ObSQLUtils::create_encode_sortkey_expr(get_optimizer_context().get_expr_factory(),