Alvaro Herrera 1ce150b7bb Don't TransactionIdDidAbort in HeapTupleGetUpdateXid ... It is dangerous to do so, because some code expects to be able to see what's the true Xmax even if it is aborted (particularly while traversing HOT chains). So don't do it, and instead rely on the callers to verify for abortedness, if necessary. Several race conditions and bugs fixed in the process. One isolation test changes the expected output due to these. This also reverts commit c235a6a589, which is no longer necessary. Backpatch to 9.3, where this function was introduced. Andres Freund		2013-11-29 21:47:21 -03:00
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combocid.c	Improve concurrency of foreign key locking	2013-01-23 12:04:59 -03:00
Makefile	Remove cvs keywords from all files.	2010-09-20 22:08:53 +02:00
snapmgr.c	Use an MVCC snapshot, rather than SnapshotNow, for catalog scans.	2013-07-02 09:47:01 -04:00
tqual.c	Don't TransactionIdDidAbort in HeapTupleGetUpdateXid	2013-11-29 21:47:21 -03:00