diff options
| -rw-r--r-- | src/backend/utils/time/tqual.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/src/backend/utils/time/tqual.c b/src/backend/utils/time/tqual.c index bc19df813f3..96e480bc07e 100644 --- a/src/backend/utils/time/tqual.c +++ b/src/backend/utils/time/tqual.c @@ -1217,27 +1217,11 @@ HeapTupleSatisfiesVacuum(HeapTupleHeader tuple, TransactionId OldestXmin, } /* - * Deleter committed, but check special cases. + * Deleter committed, but perhaps it was recent enough that some open + * transactions could still see the tuple. */ - - if (TransactionIdEquals(HeapTupleHeaderGetXmin(tuple), - HeapTupleHeaderGetXmax(tuple))) - { - /* - * Inserter also deleted it, so it was never visible to anyone else. - * However, we can only remove it early if it's not an updated tuple; - * else its parent tuple is linking to it via t_ctid, and this tuple - * mustn't go away before the parent does. - */ - if (!(tuple->t_infomask & HEAP_UPDATED)) - return HEAPTUPLE_DEAD; - } - if (!TransactionIdPrecedes(HeapTupleHeaderGetXmax(tuple), OldestXmin)) - { - /* deleting xact is too recent, tuple could still be visible */ return HEAPTUPLE_RECENTLY_DEAD; - } /* Otherwise, it's dead and removable */ return HEAPTUPLE_DEAD; |