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Re: Performance Killer 'IN' ?
- From: "Marko Kreen" <markokr(at)gmail(dot)com>
- To: "Kai Hessing" <kai(dot)hessing(at)hobsons(dot)de>
- Cc: pgsql-general(at)postgresql(dot)org
- Subject: Re: Performance Killer 'IN' ?
- Date: Fri, 31 Mar 2006 18:27:32 +0300
On 3/31/06, Kai Hessing <kai(dot)hessing(at)hobsons(dot)de> wrote: > The second one (UPDATE xyz WHERE id IN (xyz1, xyz2, ....) AND > status>-1;) returns: > ------------------ > Seq Scan on phon (cost=0.00..1573304.58 rows=105931 width=148) (actual > time=369563.565..369563.565 rows=0 loops=1) Just a shot in the dark: does the plan stay the same, when you remove the ' AND status > -1' ? -- marko
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