Re: Re: Does PostgreSQL support EXISTS?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Michael Meskes <meskes(at)postgresql(dot)org>, pgsql-general(at)postgresql(dot)org
Subject: Re: Re: Does PostgreSQL support EXISTS?
Date: 2001-06-13 16:38:35
Message-ID: 26985.992450315@sss.pgh.pa.us
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Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Are we talking about converting IN to EXISTS for performance reasons?

No, we're talking about implementing both IN and EXISTS as special forms
of join.

regards, tom lane

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