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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 2001-04-04 15:43:25 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 2001-04-04 15:43:25 +0000 |
| commit | 278aa680fc2a4b2db5b06f997b5a8903c20a53db (patch) | |
| tree | 23904a01d0d1fc75e19286f5ee0ea62d7f76f50a /src/backend/commands/sequence.c | |
| parent | a51d560d941b4bd491d31679951431db9dfca09c (diff) | |
| download | postgresql-278aa680fc2a4b2db5b06f997b5a8903c20a53db.tar.gz postgresql-278aa680fc2a4b2db5b06f997b5a8903c20a53db.zip | |
Have to lock buffer while changing page' LSN.
Thanks to Tom.
Diffstat (limited to 'src/backend/commands/sequence.c')
| -rw-r--r-- | src/backend/commands/sequence.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/commands/sequence.c b/src/backend/commands/sequence.c index 00a96a99a5a..fac2fb30de2 100644 --- a/src/backend/commands/sequence.c +++ b/src/backend/commands/sequence.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/sequence.c,v 1.53 2001/04/03 21:58:00 vadim Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/sequence.c,v 1.54 2001/04/04 15:43:25 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -181,13 +181,13 @@ DefineSequence(CreateSeqStmt *seq) /* Now - form & insert sequence tuple */ tuple = heap_formtuple(tupDesc, value, null); heap_insert(rel, tuple); - ReleaseBuffer(buf); /* * After crash REDO of heap_insert above would re-init page and * our magic number would be lost. We have to log sequence creation. * This means two log records instead of one -:( */ + LockBuffer(buf, BUFFER_LOCK_EXCLUSIVE); START_CRIT_SECTION(); { xl_seq_rec xlrec; @@ -217,6 +217,8 @@ DefineSequence(CreateSeqStmt *seq) } END_CRIT_SECTION(); + LockBuffer(buf, BUFFER_LOCK_UNLOCK); + ReleaseBuffer(buf); heap_close(rel, AccessExclusiveLock); } |