Re: [HACKERS] subselect and optimizer

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: boersenspiel(at)vocalweb(dot)de
Cc: hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] subselect and optimizer
Date: 1998-04-10 21:08:01
Message-ID: 199804102108.RAA05050@candle.pha.pa.us
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>
> Hi,
>
> Vadim helped me with the patch for my query.
>
> But this patch still didn't help for a simple join without a where
> clause. The query plan says it uses two sequential scans, where 6.2.1
> uses two index scans.
>
> Strange stuff.
>
> Seems like more than one problem it the optimizer code ...
>

But we didn't have subselcts in 6.2.1?

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