Re: max freeze age query in docs
От | Andrew Dunstan |
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Тема | Re: max freeze age query in docs |
Дата | |
Msg-id | 5224D709.2080900@dunslane.net обсуждение исходный текст |
Ответ на | Re: max freeze age query in docs (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: max freeze age query in docs
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Список | pgsql-hackers |
On 09/02/2013 01:30 PM, Tom Lane wrote: > Andrew Dunstan <andrew@dunslane.net> writes: >> Yes, possibly, but we can't do that now, but I would like to fix the >> docs now. > If you want this in 9.3.0 it needs to be committed in the next couple of > hours. > > FWIW, the idea seemed generally sane to me, but I'd suggest not depending > on reltoastrelid being zero when and only when there's no match. > Why not test whether t.oid IS NULL, instead? > > Or actually, code it like this > > GREATEST(age(c.relfrozenxid), age(t.relfrozenxid)) > > and be done, as well as not having an ugly direct use of int4larger. > > OK, I'll do it that way. Working on it now. cheers andrew cheers andrew
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