From 5b792153fc42d7986d7a8bd53daab268a2320663 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Tue, 28 May 2002 15:22:44 +0000 Subject: [PATCH] Repair error with not adjusting active scans properly after gistSplit. Patch from Teodor Sigaev. --- src/backend/access/gist/gist.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/src/backend/access/gist/gist.c b/src/backend/access/gist/gist.c index 1ce1914304b..c07d1f5652f 100644 --- a/src/backend/access/gist/gist.c +++ b/src/backend/access/gist/gist.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.88 2002/02/11 22:41:59 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/gist/gist.c,v 1.88.2.1 2002/05/28 15:22:44 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -496,6 +496,14 @@ gistlayerinsert(Relation r, BlockNumber blkno, /* key is modified, so old version must be deleted */ ItemPointerSet(&oldtid, blkno, child); gistdelete(r, &oldtid); + + /* + * if child was splitted, new key for child will be inserted + * in the end list of child, so we must say to any scans + * that page is changed beginning from 'child' offset + */ + if ( ret & SPLITED ) + gistadjscans(r, GISTOP_SPLIT, blkno, child); } ret = INSERTED; @@ -1413,10 +1421,6 @@ gistSplit(Relation r, ItemPointerSet(&(newtup[nlen - 1]->t_tid), lbknum, 1); } - - /* adjust active scans */ - gistadjscans(r, GISTOP_SPLIT, BufferGetBlockNumber(buffer), FirstOffsetNumber); - /* !!! pfree */ pfree(rvectup); pfree(lvectup); -- 2.39.5