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Re: What query optimisations are included in Postgresql? - Mailing list pgsql-general

From John R Pierce
Subject Re: What query optimisations are included in Postgresql?
Date
Msg-id 5298F1D1.8080508@hogranch.com
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In response to What query optimisations are included in Postgresql?  (N <ceecmm@gmail.com>)
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On 11/28/2013 9:46 AM, N wrote:
> Are there documents specifying the query optimisations in Postgresql
> like the SQLite (http://www.sqlite.org/optoverview.html)?
>
> >From the web, I can say, there are index and join optimisation, but
> are there anything others like Subquery flattening?


There's nearly as much query plan optimization as a C compiler has code
optimization.



--
john r pierce                                      37N 122W
somewhere on the middle of the left coast

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