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Re: planner chooses unoptimal plan on joins with complex key

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Guillaume Smet" <guillaume(dot)smet(at)gmail(dot)com>
Cc: "Dmitry Potapov" <fortune(dot)fish(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: planner chooses unoptimal plan on joins with complex key
Date: 2008-01-23 17:17:56
Message-ID: 22362.1201108676@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
"Guillaume Smet" <guillaume(dot)smet(at)gmail(dot)com> writes:
> It doesn't look like an EXPLAIN ANALYZE output. Can you provide a real
> one (you should have a second set of numbers with EXPLAIN ANALYZE)?

Also, could we see the pg_stats rows for the columns being joined?

			regards, tom lane

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