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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2009-01-10 21:08:36 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2009-01-10 21:08:36 +0000 |
| commit | 43a57cf3657faba593ba72c3d67f3397ae84c60d (patch) | |
| tree | e50237232552428843286cc0e39d85e560629f98 /src/backend/access/gin/ginscan.c | |
| parent | 3b34e98242446bcc2827f081e72342cc7af57574 (diff) | |
| download | postgresql-43a57cf3657faba593ba72c3d67f3397ae84c60d.tar.gz postgresql-43a57cf3657faba593ba72c3d67f3397ae84c60d.zip | |
Revise the TIDBitmap API to support multiple concurrent iterations over a
bitmap. This is extracted from Greg Stark's posix_fadvise patch; it seems
worth committing separately, since it's potentially useful independently of
posix_fadvise.
Diffstat (limited to 'src/backend/access/gin/ginscan.c')
| -rw-r--r-- | src/backend/access/gin/ginscan.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/access/gin/ginscan.c b/src/backend/access/gin/ginscan.c index 9c122cb526f..ba377419222 100644 --- a/src/backend/access/gin/ginscan.c +++ b/src/backend/access/gin/ginscan.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/access/gin/ginscan.c,v 1.20 2009/01/01 17:23:34 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/access/gin/ginscan.c,v 1.21 2009/01/10 21:08:36 tgl Exp $ *------------------------------------------------------------------------- */ @@ -61,6 +61,8 @@ fillScanKey(GinState *ginstate, GinScanKey key, OffsetNumber attnum, Datum query key->scanEntry[i].offset = InvalidOffsetNumber; key->scanEntry[i].buffer = InvalidBuffer; key->scanEntry[i].partialMatch = NULL; + key->scanEntry[i].partialMatchIterator = NULL; + key->scanEntry[i].partialMatchResult = NULL; key->scanEntry[i].strategy = strategy; key->scanEntry[i].list = NULL; key->scanEntry[i].nlist = 0; @@ -107,6 +109,7 @@ resetScanKeys(GinScanKey keys, uint32 nkeys) key->scanEntry[j].list = NULL; key->scanEntry[j].nlist = 0; key->scanEntry[j].partialMatch = NULL; + key->scanEntry[j].partialMatchIterator = NULL; key->scanEntry[j].partialMatchResult = NULL; } } @@ -132,6 +135,8 @@ freeScanKeys(GinScanKey keys, uint32 nkeys) ReleaseBuffer(key->scanEntry[j].buffer); if (key->scanEntry[j].list) pfree(key->scanEntry[j].list); + if (key->scanEntry[j].partialMatchIterator) + tbm_end_iterate(key->scanEntry[j].partialMatchIterator); if (key->scanEntry[j].partialMatch) tbm_free(key->scanEntry[j].partialMatch); } |