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Save calculated transitionSpace in Agg node.

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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
This commit is contained in:
Jeff Davis
2020-02-27 10:46:58 -08:00
parent e537aed61d
commit c11cb17dc5
5 changed files with 14 additions and 4 deletions
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4
src/include/optimizer/planmain.h
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@@ -54,8 +54,8 @@ extern Sort *make_sort_from_sortclauses(List *sortcls, Plan *lefttree);
extern 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);
extern Limit *make_limit(Plan *lefttree, Node *limitOffset, Node *limitCount);
/*