From 53e757689ce94520f1c53a89dbaa14ea57b09da7 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Mon, 12 Jul 2010 17:01:06 +0000 Subject: Make NestLoop plan nodes pass outer-relation variables into their inner relation using the general PARAM_EXEC executor parameter mechanism, rather than the ad-hoc kluge of passing the outer tuple down through ExecReScan. The previous method was hard to understand and could never be extended to handle parameters coming from multiple join levels. This patch doesn't change the set of possible plans nor have any significant performance effect, but it's necessary infrastructure for future generalization of the concept of an inner indexscan plan. ExecReScan's second parameter is now unused, so it's removed. --- src/include/executor/executor.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/include/executor/executor.h') diff --git a/src/include/executor/executor.h b/src/include/executor/executor.h index 119cc2505b2..ecaaab5f75c 100644 --- a/src/include/executor/executor.h +++ b/src/include/executor/executor.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/executor/executor.h,v 1.169 2010/07/09 14:06:01 rhaas Exp $ + * $PostgreSQL: pgsql/src/include/executor/executor.h,v 1.170 2010/07/12 17:01:06 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -82,7 +82,7 @@ extern PGDLLIMPORT ExecutorCheckPerms_hook_type ExecutorCheckPerms_hook; /* * prototypes from functions in execAmi.c */ -extern void ExecReScan(PlanState *node, ExprContext *exprCtxt); +extern void ExecReScan(PlanState *node); extern void ExecMarkPos(PlanState *node); extern void ExecRestrPos(PlanState *node); extern bool ExecSupportsMarkRestore(NodeTag plantype); -- cgit v1.2.3