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fix: simplify count with multi params wrong

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PatZhuang 2024-12-19 07:45:04 +00:00 committed by ob-robot
parent 11fee84175
commit 5e483a9a0c
1 changed files with 9 additions and 1 deletions
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10
src/sql/rewrite/ob_transform_simplify_groupby.cpp
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@ -1275,7 +1275,15 @@ int ObTransformSimplifyGroupby::check_aggr_win_can_be_removed(const ObDMLStmt *s
if (OB_SUCC(ret)) {
switch (func_type) {
// aggr func
case T_FUN_COUNT: //case when 1 or 0
case T_FUN_COUNT: { //case when 1 or 0
if (OB_ISNULL(aggr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null aggr", K(ret));
} else {
can_remove = aggr->get_real_param_count() <= 1; // do not rewrite count with multi params
}
break;
}
case T_FUN_MAX: //return expr
case T_FUN_MIN:
//case T_FUN_APPROX_COUNT_DISTINCT_SYNOPSIS_MERGE: //不进行改写