diff options
Diffstat (limited to 'src/backend/access/gist/gistscan.c')
| -rw-r--r-- | src/backend/access/gist/gistscan.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/src/backend/access/gist/gistscan.c b/src/backend/access/gist/gistscan.c index 672b121693a..9358692a53c 100644 --- a/src/backend/access/gist/gistscan.c +++ b/src/backend/access/gist/gistscan.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/gist/gistscan.c,v 1.37 2001/06/28 16:00:07 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/gist/gistscan.c,v 1.38 2001/07/15 22:48:15 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -59,13 +59,8 @@ gistbeginscan(PG_FUNCTION_ARGS) ScanKey key = (ScanKey) PG_GETARG_POINTER(3); IndexScanDesc s; - /* - * Let index_beginscan does its work... - * - * RelationSetLockForRead(r); - */ - s = RelationGetIndexScan(r, fromEnd, nkeys, key); + gistregscan(s); PG_RETURN_POINTER(s); @@ -283,6 +278,27 @@ gistdropscan(IndexScanDesc s) pfree(l); } +/* + * AtEOXact_gist() --- clean up gist subsystem at xact abort or commit. + * + * This is here because it needs to touch this module's static var GISTScans. + */ +void +AtEOXact_gist(void) +{ + /* + * Note: these actions should only be necessary during xact abort; but + * they can't hurt during a commit. + */ + + /* + * Reset the active-scans list to empty. We do not need to free the + * list elements, because they're all palloc()'d, so they'll go away + * at end of transaction anyway. + */ + GISTScans = NULL; +} + void gistadjscans(Relation rel, int op, BlockNumber blkno, OffsetNumber offnum) { |