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Revert back-branch changes in behavior of age(xid).

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Per discussion, it does not seem like a good idea to change the behavior of
age(xid) in a minor release, even though the old definition causes the
function to fail on hot standby slaves.  Therefore, revert commit
5829387381 and follow-on commits in the back
branches only.
This commit is contained in:
Tom Lane
2012-05-31 11:12:26 -04:00
parent 56901beb80
commit 3dfaea4727
3 changed files with 2 additions and 27 deletions
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4
src/backend/utils/adt/xid.c
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@@ -87,13 +87,13 @@ xideq(PG_FUNCTION_ARGS)
}
/*
* xid_age - compute age of an XID (relative to latest stable xid)
* xid_age - compute age of an XID (relative to current xact)
*/
Datum
xid_age(PG_FUNCTION_ARGS)
{
TransactionId xid = PG_GETARG_TRANSACTIONID(0);
TransactionId now = GetStableLatestTransactionId();
TransactionId now = GetTopTransactionId();
/* Permanent XIDs are always infinitely old */
if (!TransactionIdIsNormal(xid))