Re: BUG #5165: Poor performance with Left-join where right side does not exist

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "assaf" <assaf_lehr(at)yahoo(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #5165: Poor performance with Left-join where right side does not exist
Date: 2009-11-04 20:35:32
Message-ID: 20782.1257366932@sss.pgh.pa.us
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"assaf" <assaf_lehr(at)yahoo(dot)com> writes:
> PostgreSQL version: 8.37
> Description: Poor performance with Left-join where right side does
> not exist

8.4 might be smarter about this case for you. It's hard to tell for sure
with so few details.

regards, tom lane

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