diff options
| -rw-r--r-- | src/backend/access/heap/heapam.c | 14 | ||||
| -rw-r--r-- | src/backend/commands/tablecmds.c | 13 |
2 files changed, 21 insertions, 6 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index 35ad3d88ac3..8a9e13902e1 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 1.200.2.3 2006/11/17 18:00:25 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/access/heap/heapam.c,v 1.200.2.4 2010/07/29 16:15:33 rhaas Exp $ * * * INTERFACE ROUTINES @@ -2740,8 +2740,16 @@ 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); + } + LockBuffer(buffer, BUFFER_LOCK_UNLOCK); WriteBuffer(buffer); } diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index 59c99fc3e1b..8f8d28e825c 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.174.2.10 2010/07/01 14:11:03 rhaas Exp $ + * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.174.2.11 2010/07/29 16:15:33 rhaas Exp $ * *------------------------------------------------------------------------- */ @@ -5893,8 +5893,15 @@ copy_relation_data(Relation rel, SMgrRelation dst) 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(); } |