From d36bf9afa402169eb36732b46790495f2ba6cec3 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 | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/src/backend/access/gist/gist.c b/src/backend/access/gist/gist.c index 27b6cb0aca..af67ab1c14 100644 --- a/src/backend/access/gist/gist.c +++ b/src/backend/access/gist/gist.c @@ -494,6 +494,14 @@ 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; @@ -1411,10 +1419,6 @@ 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