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

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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
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3
src/include/nodes/nodes.h
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@@ -206,10 +206,9 @@ typedef enum NodeTag
* Most Expr-based plan nodes do not have a corresponding expression state
* node, they're fully handled within execExpr* - but sometimes the state
* needs to be shared with other parts of the executor, as for example
* with AggrefExprState, which nodeAgg.c has to modify.
* with SubPlanState, which nodeSubplan.c has to modify.
*/
T_ExprState,
T_AggrefExprState,
T_WindowFuncExprState,
T_SetExprState,
T_SubPlanState,