Re: [NOVICE] Constraint exclusion in partitions

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Daniel Begin <jfd553(at)hotmail(dot)com>
Cc: melvin6925 <melvin6925(at)gmail(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: [NOVICE] Constraint exclusion in partitions
Date: 2015-05-23 23:31:55
Message-ID: CAKFQuwZz2bC+DdXfgGOYcC+ZPg-AL2eqgfxr36t0xssQ5mSjgA@mail.gmail.com
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On Saturday, May 23, 2015, Daniel Begin <jfd553(at)hotmail(dot)com> wrote:

> I am working with postgresql 9.3 and I understand from the documentation
> that constraint_exclusion is set to “partition” by default. Looking at my
> postgres.conf file, the concerned line is “#constraint_exclusion =
> partition”.
>
> Furthermore, the execution plan shows that constraint_exclusion was used
> at least for constant id and range of ids
>
> What is your question/concern?

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