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List:       postgresql-general
Subject:    Re: [GENERAL] Gist cost estimates
From:       Tom Lane <tgl () sss ! pgh ! pa ! us>
Date:       2012-01-31 21:14:40
Message-ID: 10623.1328044480 () sss ! pgh ! pa ! us
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Matthias <nitrogenycs@googlemail.com> writes:
> I've noticed the new range data types in 9.2dev. I'm really looking
> forward to use them, so I built postgres 9.2dev on windows to try.
> ...
>  Do you have any explanation for these grossly wrong cost estimates?

The range operators don't have any selectivity estimation worthy of the
name yet.  I'm still hoping to see that fixed before 9.2 final, but
the days grow short ...

			regards, tom lane

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