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Re: Subquery flattening causing sequential scan

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Ondrej Ivanič <ondrej(dot)ivanic(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Subquery flattening causing sequential scan
Date: 2011-12-28 00:28:37
Message-ID: 17733.1325032117@sss.pgh.pa.us (view raw, whole thread or download thread mbox)
Thread:
Lists: pgsql-performance
=?UTF-8?Q?Ondrej_Ivani=C4=8D?= <ondrej(dot)ivanic(at)gmail(dot)com> writes:
> The question is why the parameter f is not exposed as a GUC?

What would that accomplish that default_statistics_target doesn't?
(Other than being much harder to explain...)

			regards, tom lane

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