From 0bf2587df46f3b554d62f7628d1d474bda7ddfc5 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Fri, 28 Jan 2005 19:34:28 +0000 Subject: Improve planner's estimation of the space needed for HashAgg plans: look at the actual aggregate transition datatypes and the actual overhead needed by nodeAgg.c, instead of using pessimistic round numbers. Per a discussion with Michael Tiemann. --- src/include/executor/nodeAgg.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/include/executor') diff --git a/src/include/executor/nodeAgg.h b/src/include/executor/nodeAgg.h index 32449c22aab..41dd57a8acb 100644 --- a/src/include/executor/nodeAgg.h +++ b/src/include/executor/nodeAgg.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/executor/nodeAgg.h,v 1.23 2004/12/31 22:03:29 pgsql Exp $ + * $PostgreSQL: pgsql/src/include/executor/nodeAgg.h,v 1.24 2005/01/28 19:34:18 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -23,6 +23,8 @@ extern TupleTableSlot *ExecAgg(AggState *node); extern void ExecEndAgg(AggState *node); extern void ExecReScanAgg(AggState *node, ExprContext *exprCtxt); +extern Size hash_agg_entry_size(int numAggs); + extern Datum aggregate_dummy(PG_FUNCTION_ARGS); #endif /* NODEAGG_H */ -- cgit v1.2.3