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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1997-04-30 06:31:16 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1997-04-30 06:31:16 +0000 |
| commit | fe91ceb62b10afb84f60c4c482ba2600775ee180 (patch) | |
| tree | da1df6f75a400ea7f768d9581bdf0c25d485c2a9 /src | |
| parent | 3055eeff9379cae9204ab84d441aad9719338fc5 (diff) | |
| download | postgresql-fe91ceb62b10afb84f60c4c482ba2600775ee180.tar.gz postgresql-fe91ceb62b10afb84f60c4c482ba2600775ee180.zip | |
Fix old bug in _hash_first() for scan without keys:
if 1st bucket chain is empty then need to continue scan in the rest buckets.
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/hash/hashsearch.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/backend/access/hash/hashsearch.c b/src/backend/access/hash/hashsearch.c index 459fbc3a167..f1450e1c1ca 100644 --- a/src/backend/access/hash/hashsearch.c +++ b/src/backend/access/hash/hashsearch.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/hash/hashsearch.c,v 1.8 1996/11/21 06:06:52 vadim Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/hash/hashsearch.c,v 1.9 1997/04/30 06:31:16 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -221,7 +221,13 @@ _hash_first(IndexScanDesc scan, ScanDirection dir) } else { ItemPointerSetInvalid(current); so->hashso_curbuf = InvalidBuffer; - return ((RetrieveIndexResult) NULL); + /* + * If there is no scankeys, all tuples will satisfy + * the scan - so we continue in _hash_step to get + * tuples from all buckets. - vadim 04/29/97 + */ + if ( scan->numberOfKeys >= 1 ) + return ((RetrieveIndexResult) NULL); } } if (ScanDirectionIsBackward(dir)) { |