From d4ce5a4f4c3516e88fa34c53bcc7313db90a3c08 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Sun, 12 Jan 2003 22:35:29 +0000 Subject: Revise cost_qual_eval() to compute both startup (one-time) and per-tuple costs for expression evaluation, not only per-tuple cost as before. This extension is needed in order to deal realistically with hashed or materialized sub-selects. --- src/backend/optimizer/plan/initsplan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/backend/optimizer/plan/initsplan.c') diff --git a/src/backend/optimizer/plan/initsplan.c b/src/backend/optimizer/plan/initsplan.c index 151a37a8889..1c1a848ea72 100644 --- a/src/backend/optimizer/plan/initsplan.c +++ b/src/backend/optimizer/plan/initsplan.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/initsplan.c,v 1.79 2002/12/17 01:18:25 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/initsplan.c,v 1.80 2003/01/12 22:35:29 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -396,7 +396,7 @@ distribute_qual_to_rels(Query *root, Node *clause, restrictinfo->clause = (Expr *) clause; restrictinfo->subclauseindices = NIL; - restrictinfo->eval_cost = -1; /* not computed until needed */ + restrictinfo->eval_cost.startup = -1; /* not computed until needed */ restrictinfo->this_selec = -1; /* not computed until needed */ restrictinfo->mergejoinoperator = InvalidOid; restrictinfo->left_sortop = InvalidOid; -- cgit v1.2.3