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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-05-28 15:22:44 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-05-28 15:22:44 +0000 |
| commit | 5b792153fc42d7986d7a8bd53daab268a2320663 (patch) | |
| tree | a9141e85355571699e9b11197b760851c72ad5ec /src | |
| parent | 63448825fb041704554849cbfac00f022540936f (diff) | |
| download | postgresql-5b792153fc42d7986d7a8bd53daab268a2320663.tar.gz postgresql-5b792153fc42d7986d7a8bd53daab268a2320663.zip | |
Repair error with not adjusting active scans properly after gistSplit.
Patch from Teodor Sigaev.
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/gist/gist.c | 14 |
1 files 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); |