Re: Explain Analyse never returns .. maybe a bug
От | David Gagnon |
---|---|
Тема | Re: Explain Analyse never returns .. maybe a bug |
Дата | |
Msg-id | 42C3FA5C.3040400@siunik.com обсуждение исходный текст |
Ответ на | Re: Explain Analyse never returns .. maybe a bug ("Sean Davis" <sdavis2@mail.nih.gov>) |
Список | pgsql-general |
Oups ! Sorry I misunderstanding the command .. always thought it was almos instantaneous.... my mistake.. really sorry about that Thanks :-) /David Sean Davis wrote: > > ----- Original Message ----- From: "David Gagnon" <dgagnon@siunik.com> > Cc: <pgsql-general@postgresql.org> > Sent: Wednesday, June 29, 2005 9:25 AM > Subject: [GENERAL] Explain Analyse never returns .. maybe a bug > > >> Hi all, >> >> I stop the following statement after 3 minutes.... >> >> explain analyse select * >> From IC >> where IC.ICNUM NOT IN (select IRICNUM from IR WHERE IRSTATUT >> in (1, 2)) >> >> >> I'm using 8.0.3 on windows. >> Is that a know bug ? > > > David, > > Remember that EXPLAIN ANALYZE actually RUNS the query. It may > actually be taking 3+ minutes to run the query. How large are the > tables? What does EXPLAIN (without ANALYZE) say? Have you run the > query without EXPLAIN ANALYZE to know how long it normally takes--what > is the basis for suggesting that 3 minutes is "too long"? > > Sean > > >
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