diff options
Diffstat (limited to 'src/backend/access/heap/heapam.c')
| -rw-r--r-- | src/backend/access/heap/heapam.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index bffc971d689..85261379b1f 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -6790,8 +6790,8 @@ heap_prepare_freeze_tuple(HeapTupleHeader tuple, TransactionId cutoff_xid, * Note: it might seem we could make the changes without exclusive lock, since * TransactionId read/write is assumed atomic anyway. However there is a race * condition: someone who just fetched an old XID that we overwrite here could - * conceivably not finish checking the XID against pg_clog before we finish - * the VACUUM and perhaps truncate off the part of pg_clog he needs. Getting + * conceivably not finish checking the XID against pg_xact before we finish + * the VACUUM and perhaps truncate off the part of pg_xact he needs. Getting * exclusive lock ensures no other backend is in process of checking the * tuple status. Also, getting exclusive lock makes it safe to adjust the * infomask bits. |