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Add monitoring function pg_last_xact_replay_timestamp.

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Fujii Masao, with a little wordsmithing by me.
This commit is contained in:
Robert Haas
2010-11-09 22:39:43 -05:00
parent 844ed5dc97
commit 7ba6e4f0e0
5 changed files with 41 additions and 1 deletions
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18
src/backend/access/transam/xlog.c
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@ -5604,6 +5604,24 @@ GetLatestXTime(void)
return xtime;
}
/*
* Returns timestamp of latest processed commit/abort record.
*
* When the server has been started normally without recovery the function
* returns NULL.
*/
Datum
pg_last_xact_replay_timestamp(PG_FUNCTION_ARGS)
{
TimestampTz xtime;
xtime = GetLatestXTime();
if (xtime == 0)
PG_RETURN_NULL();
PG_RETURN_TIMESTAMPTZ(xtime);
}
/*
* Returns bool with current recovery mode, a global state.
*/