2016-03-11 0:17 GMT+01:00 Tom Lane <t...@sss.pgh.pa.us>: > Robert Haas <robertmh...@gmail.com> writes: > > Or ... maybe this is intentional behavior? Now that I think about it, > > doesn't each backend cache this info the first time its transaction > > reads the data? > > Your view of pg_stat_activity is supposed to hold still within a > transaction, yes. Otherwise it'd be really painful to do any complicated > joins. I think there may be a function to explicitly flush the cache, > if you really need to see intratransaction changes. >
I understand. This behave has impact on PL functions that try to repeated check of pg_stat_activity. But this use case is not frequent. Thank you. Regards Pavel > regards, tom lane >
