Re: Do we still need constraint_exclusion?

From: "Robert Haas" <robertmhaas(at)gmail(dot)com>
To: "Bruce Momjian" <bruce(at)momjian(dot)us>
Cc: "Greg Smith" <gsmith(at)gregsmith(dot)com>, "Gregory Stark" <stark(at)enterprisedb(dot)com>, "Josh Berkus" <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Do we still need constraint_exclusion?
Date: 2009-01-07 12:04:35
Message-ID: 603c8f070901070404h66b7e608iaae70a06c126376f@mail.gmail.com
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On Wed, Jan 7, 2009 at 12:15 AM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> Based on the comments below, are we sure constraint_exclusion still
> needs to be a parameter and can't be on by default?

The benchmarking we did to determine the impact of raising
default_statistics_target was pretty interesting and informative. It
seems like a similar approach would be valuable here, though I'm not
exactly sure what to test.

...Robert

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