Re: won't drop the view
От | Chris Ruprecht |
---|---|
Тема | Re: won't drop the view |
Дата | |
Msg-id | p05101001b84189b9a14b@[192.168.0.6] обсуждение исходный текст |
Ответ на | won't drop the view (Oleg Lebedev <olebedev@waterford.org>) |
Список | pgsql-sql |
Hi Oleg, At 19:28 -0700 12/14/2001, Oleg Lebedev wrote: >Hi everybody, >I just vacuumed and vacuumed analyzed my database. Now, I am trying to >execute a view, which was perfectly working before, but it seems to be >very slow. It was sitting there for 10 mins before I cancelled it. >Usually it was taking on the order of 5 secs to execute the view. >I just recreated the view, but the problem still persists. >Here is what EXPLAIN tells me: >EXPLAIN select * from progress_report; >Subquery Scan progress_report (cost=16386.56..16386.56 rows=2 >width=128) > -> Sort (cost=16386.56..16386.56 rows=2 width=128) > -> Nested Loop (cost=16299.45..16386.55 rows=2 width=128) > >How can I "restore" the "before-the-vacuum" performance? >thanks, I don't know much about the internal workings about 'vacuum'. My guess is that there is something wrong with one of the indexes in your db somewhere. I would try and rebuild them - starting with the ones involved in the view. You might have to drop and re-create them - as well as the view. Good luck, Chris -- Chris Ruprecht Network grunt and bit pusher extraordinaíre _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com
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