Re:

From: "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>
To: A(dot)Anibayev(at)astel(dot)kz
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re:
Date: 2008-06-10 11:05:06
Message-ID: 162867790806100405m685619d1s62a1cba74c46634b@mail.gmail.com
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Hello

2008/6/10 <A(dot)Anibayev(at)astel(dot)kz>:
>
> Dear administrator,
>
> I would like to know whether PostgreSQL has some help tips (hints) for query
> optimizer that can help to use it more efficiently (for instance, as Oracle
> has such tips for optimizer as "hint")? If it has, so, please, inform me a
> version (I know, that 8.3 version has not such features). If it has not, so
> will be there such hints in the future version?
>

PostgreSQL doesn't use hints - and there are not plan to change it
Features We Do Not Want:
from ToDo:
Optimizer hints (not wanted)

Optimizer hints are used to work around problems in the optimizer. We
would rather have the problems reported and fixed.

http://archives.postgresql.org/pgsql-hackers/2006-08/msg00506.php
http://archives.postgresql.org/pgsql-hackers/2006-10/msg00517.php
http://archives.postgresql.org/pgsql-hackers/2006-10/msg00663.php

Regards
Pavel Stehule

> Sincerely yours
> Anuar

In response to

  • at 2008-06-10 04:45:17 from A.Anibayev

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