Re: Optimizing query?

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: hamann(dot)w(at)t-online(dot)de
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Optimizing query?
Date: 2013-02-02 09:25:40
Message-ID: CAFj8pRB6B3T8o4VGPA_bJhDNSEG72YJLiw-FEkz+ReL52tuHDA@mail.gmail.com
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2013/2/2 <hamann(dot)w(at)t-online(dot)de>:
> Pavel Stehule wrote:
>
>>>
>>> but maybe https://github.com/dimitri/prefix can help
>>>
>
> Hi Pavel,
>
> thanks - this works perfect. However, it does not seem to play well
> with the optimizer, so I ended up with
>
> select all candidates into a temp table using prefix operator
> apply all other conditions by joining that temp table to original ones
>

you can send proposals to enhancing to Dimitry - He will be happy :)

Regards

Pavel

> Regards
> Wolfgang
>
>
>
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