Re: Merge join and index scan strangeness

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Teodor Sigaev <teodor(at)sigaev(dot)ru>
Cc: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Merge join and index scan strangeness
Date: 2010-02-19 14:19:48
Message-ID: 2177.1266589188@sss.pgh.pa.us
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Teodor Sigaev <teodor(at)sigaev(dot)ru> writes:
>> I found something strange with merge join. Let there are two table

> Sorry, postgresql's version is 8.4 from today CVS

Can't reproduce it here, either in HEAD or 8.4. Sure you have a clean
build with no local modifications? The outright-incorrect last plan
you show seems to indicate something rather badly wrong with pathkey
matching.

regards, tom lane

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