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Move per-agg and per-trans duplicate finding to the planner.

This has the advantage that the cost estimates for aggregates can count
the number of calls to transition and final functions correctly.

Bump catalog version, because views can contain Aggrefs.

Reviewed-by: Andres Freund
Discussion: https://www.postgresql.org/message-id/b2e3536b-1dbc-8303-c97e-89cb0b4a9a48%40iki.fi
This commit is contained in:
Heikki Linnakangas
2020-11-24 10:45:00 +02:00
parent e522024bd8
commit 0a2bc5d61e
29 changed files with 955 additions and 747 deletions

View File

@ -32,6 +32,7 @@
#include "optimizer/pathnode.h"
#include "optimizer/paths.h"
#include "optimizer/planmain.h"
#include "optimizer/prep.h"
#include "optimizer/restrictinfo.h"
#include "optimizer/tlist.h"
#include "parser/parsetree.h"
@ -2944,16 +2945,7 @@ estimate_path_cost_size(PlannerInfo *root,
MemSet(&aggcosts, 0, sizeof(AggClauseCosts));
if (root->parse->hasAggs)
{
get_agg_clause_costs(root, (Node *) fpinfo->grouped_tlist,
AGGSPLIT_SIMPLE, &aggcosts);
/*
* The cost of aggregates in the HAVING qual will be the same
* for each child as it is for the parent, so there's no need
* to use a translated version of havingQual.
*/
get_agg_clause_costs(root, (Node *) root->parse->havingQual,
AGGSPLIT_SIMPLE, &aggcosts);
get_agg_clause_costs(root, AGGSPLIT_SIMPLE, &aggcosts);
}
/* Get number of grouping columns and possible number of groups */