diff options
Diffstat (limited to 'src/backend/access/hash/hashscan.c')
| -rw-r--r-- | src/backend/access/hash/hashscan.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/backend/access/hash/hashscan.c b/src/backend/access/hash/hashscan.c index 649e42fbeb0..f4a91b5710f 100644 --- a/src/backend/access/hash/hashscan.c +++ b/src/backend/access/hash/hashscan.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/hash/hashscan.c,v 1.24 2001/01/24 19:42:47 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/hash/hashscan.c,v 1.25 2001/07/15 22:48:15 tgl Exp $ * * NOTES * Because we can be doing an index scan on a relation while we @@ -45,6 +45,31 @@ typedef HashScanListData *HashScanList; static HashScanList HashScans = (HashScanList) NULL; + +/* + * AtEOXact_hash() --- clean up hash subsystem at xact abort or commit. + * + * This is here because it needs to touch this module's static var HashScans. + */ +void +AtEOXact_hash(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. + */ + HashScans = NULL; + + /* If we were building a hash, we ain't anymore. */ + BuildingHash = false; +} + /* * _Hash_regscan() -- register a new scan. */ |