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| author | Jeff Davis <jdavis@postgresql.org> | 2020-02-27 10:46:58 -0800 |
|---|---|---|
| committer | Jeff Davis <jdavis@postgresql.org> | 2020-02-27 11:20:56 -0800 |
| commit | c11cb17dc55a6b432dc637491a4491920f9c2770 (patch) | |
| tree | 5b05a8aa1194802008fc39dd653c813733fe391c /src/backend/optimizer/plan/createplan.c | |
| parent | e537aed61db767745b614600be15cd19bb581330 (diff) | |
| download | postgresql-c11cb17dc55a6b432dc637491a4491920f9c2770.tar.gz postgresql-c11cb17dc55a6b432dc637491a4491920f9c2770.zip | |
Save calculated transitionSpace in Agg node.
This will be useful in the upcoming Hash Aggregation work to improve
estimates for hash table sizing.
Discussion: https://postgr.es/m/37091115219dd522fd9ed67333ee8ed1b7e09443.camel%40j-davis.com
Diffstat (limited to 'src/backend/optimizer/plan/createplan.c')
| -rw-r--r-- | src/backend/optimizer/plan/createplan.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index e048d200bb4..fc25908dc61 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -1644,6 +1644,7 @@ create_unique_plan(PlannerInfo *root, UniquePath *best_path, int flags) NIL, NIL, best_path->path.rows, + 0, subplan); } else @@ -2096,6 +2097,7 @@ create_agg_plan(PlannerInfo *root, AggPath *best_path) NIL, NIL, best_path->numGroups, + best_path->transitionSpace, subplan); copy_generic_path_info(&plan->plan, (Path *) best_path); @@ -2257,6 +2259,7 @@ create_groupingsets_plan(PlannerInfo *root, GroupingSetsPath *best_path) rollup->gsets, NIL, rollup->numGroups, + best_path->transitionSpace, sort_plan); /* @@ -2295,6 +2298,7 @@ create_groupingsets_plan(PlannerInfo *root, GroupingSetsPath *best_path) rollup->gsets, chain, rollup->numGroups, + best_path->transitionSpace, subplan); /* Copy cost data from Path to Plan */ @@ -6192,8 +6196,8 @@ Agg * make_agg(List *tlist, List *qual, AggStrategy aggstrategy, AggSplit aggsplit, int numGroupCols, AttrNumber *grpColIdx, Oid *grpOperators, Oid *grpCollations, - List *groupingSets, List *chain, - double dNumGroups, Plan *lefttree) + List *groupingSets, List *chain, double dNumGroups, + Size transitionSpace, Plan *lefttree) { Agg *node = makeNode(Agg); Plan *plan = &node->plan; @@ -6209,6 +6213,7 @@ make_agg(List *tlist, List *qual, node->grpOperators = grpOperators; node->grpCollations = grpCollations; node->numGroups = numGroups; + node->transitionSpace = transitionSpace; node->aggParams = NULL; /* SS_finalize_plan() will fill this */ node->groupingSets = groupingSets; node->chain = chain; |