Re: Useless index

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: Brian McCane <bmccane(at)mccons(dot)net>, pg-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Useless index
Date: 2002-02-14 17:16:26
Message-ID: 9374.1013706986@sss.pgh.pa.us
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Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Tom, do we have a TODO item here?

I'm not excited about it; it seems a weird case and there's a simple
query change to get the right thing to happen. AFAICS we'd have to
expend a lot of planner cycles to detect this case, and most of the
time those cycles would be wasted.

regards, tom lane

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