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Re: Slow queries salad ;)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: PFC <lists(at)peufeu(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Slow queries salad ;)
Date: 2006-04-25 18:20:29
Message-ID: 22918.1145989229@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
PFC <lists(at)peufeu(dot)com> writes:
> 	The IN() is quite small (150 values), but the two large tables are  
> seq-scanned... is there a way to avoid this ?

Not in 8.1.  HEAD is a bit smarter about joins to Append relations.

			regards, tom lane

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