Re: Query progress indication - an implementation
От | Bruce Momjian |
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Тема | Re: Query progress indication - an implementation |
Дата | |
Msg-id | 200907020132.n621WJf11666@momjian.us обсуждение исходный текст |
Ответ на | Re: Query progress indication - an implementation (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: Query progress indication - an implementation
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Список | pgsql-hackers |
Tom Lane wrote: > Joshua Tolley <eggyknap@gmail.com> writes: > > On Mon, Jun 29, 2009 at 02:07:23PM -0400, Tom Lane wrote: > >> I think this is pretty much nonsense --- most queries run all their plan > >> nodes concurrently to some extent. You can't usefully say that a query > >> is "on" some node, nor measure progress by whether some node is "done". > > > What about showing the outermost node where work has started? > > That's always the outermost node; what would it tell you? [ Repost ] I think the only resonable solution would be to consider the estimated cost of each node and then compute what percentage complete each node is. -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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