Re: Interesting optimizer's supposition in 8.1

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: Interesting optimizer's supposition in 8.1
Date: 2005-10-05 15:26:27
Message-ID: 18976.1128525987@sss.pgh.pa.us
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Teodor Sigaev <teodor(at)sigaev(dot)ru> writes:
> Why planner suppose that t 'table' will return 1000 rows?

Because set_function_size_estimates() is only a stub :-(

regards, tom lane

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