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disable hash groupby bypass path when estimiate stat

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This commit is contained in:
Larry955
2023-03-09 12:44:37 +00:00
committed by ob-robot
parent 52c3cde4eb
commit 3b47aa7ccd
9 changed files with 33 additions and 6 deletions
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5
src/sql/resolver/dml/ob_hint.cpp
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@ -304,6 +304,7 @@ void ObGlobalHint::reset()
ob_ddl_schema_versions_.reuse();
enable_append_ = false;
osg_hint_.flags_ = 0;
has_dbms_stats_hint_ = false;
}
int ObGlobalHint::merge_global_hint(const ObGlobalHint &other)
@ -329,6 +330,7 @@ int ObGlobalHint::merge_global_hint(const ObGlobalHint &other)
disable_cost_based_transform_ |= other.disable_cost_based_transform_;
enable_append_ |= other.enable_append_;
osg_hint_.flags_ |= other.osg_hint_.flags_;
has_dbms_stats_hint_ |= other.has_dbms_stats_hint_;
if (OB_FAIL(merge_monitor_hints(other.monitoring_ids_))) {
LOG_WARN("failed to merge monitor hints", K(ret));
} else if (OB_FAIL(merge_dop_hint(other.dops_))) {
@ -493,6 +495,9 @@ int ObGlobalHint::print_global_hint(PlanText &plan_text, const bool ignore_paral
if (OB_SUCC(ret) && OB_FAIL(osg_hint_.print_osg_hint(plan_text))) {
LOG_WARN("failed to print optimizer statistics gathering hint", K(ret));
}
if (OB_SUCC(ret) && has_dbms_stats_hint()) {
PRINT_GLOBAL_HINT_STR("DBMS_STATS");
}
return ret;
}