From 158fd5f1c4ab70f6db388e2bc7f4467b63d85457 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Mon, 9 Aug 1999 06:20:27 +0000 Subject: > > Prevent sorting if result is already sorted > > > > was implemented by Jan Wieck. > > His work is for ascending order cases. > > > > Here is a patch to prevent sorting also in descending > > order cases. > > Because I had already changed _bt_first() to position > > backward correctly before v6.5,this patch would work. > > Hiroshi Inoue Inoue@tpf.co.jp --- src/backend/optimizer/plan/createplan.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/backend/optimizer/plan/createplan.c') diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index d3d79f6ef8a..dbc6ac9d289 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.67 1999/08/09 01:01:42 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.68 1999/08/09 06:20:26 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -1024,6 +1024,7 @@ make_indexscan(List *qptlist, node->indxid = indxid; node->indxqual = indxqual; node->indxqualorig = indxqualorig; + node->indxorderdir = NoMovementScanDirection; node->scan.scanstate = (CommonScanState *) NULL; return node; -- cgit v1.2.3