diff options
Diffstat (limited to 'src/backend/access/heap/heapam.c')
| -rw-r--r-- | src/backend/access/heap/heapam.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index e17b6362c31..5eebfbc28f9 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.292 2010/07/06 19:18:55 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.293 2010/07/29 16:14:36 rhaas Exp $ * * * INTERFACE ROUTINES @@ -4079,8 +4079,15 @@ log_newpage(RelFileNode *rnode, ForkNumber forkNum, BlockNumber blkno, recptr = XLogInsert(RM_HEAP_ID, XLOG_HEAP_NEWPAGE, rdata); - PageSetLSN(page, recptr); - PageSetTLI(page, ThisTimeLineID); + /* + * The page may be uninitialized. If so, we can't set the LSN + * and TLI because that would corrupt the page. + */ + if (!PageIsNew(page)) + { + PageSetLSN(page, recptr); + PageSetTLI(page, ThisTimeLineID); + } END_CRIT_SECTION(); @@ -4266,8 +4273,16 @@ heap_xlog_newpage(XLogRecPtr lsn, XLogRecord *record) Assert(record->xl_len == SizeOfHeapNewpage + BLCKSZ); memcpy(page, (char *) xlrec + SizeOfHeapNewpage, BLCKSZ); - PageSetLSN(page, lsn); - PageSetTLI(page, ThisTimeLineID); + /* + * The page may be uninitialized. If so, we can't set the LSN + * and TLI because that would corrupt the page. + */ + if (!PageIsNew(page)) + { + PageSetLSN(page, lsn); + PageSetTLI(page, ThisTimeLineID); + } + MarkBufferDirty(buffer); UnlockReleaseBuffer(buffer); } |