Re: About TSearch2 Performance - Mailing list pgsql-general

From Teodor Sigaev
Subject Re: About TSearch2 Performance
Date
Msg-id 3F9539A2.9040500@sigaev.ru
Whole thread Raw
In response to About TSearch2 Performance  (Diogo Biazus <diogo@ikono.com.br>)
Responses Re: About TSearch2 Performance  (Dennis Gearon <gearond@fireserve.net>)
List pgsql-general
First one will be a bit faster

Diogo Biazus wrote:
> Hi,
>
> Is there any performance diference between the following SQL commands:
>
> SELECT * FROM documents WHERE content_ix @@
> to_tsquery('word1&word2|word3');
>
> SELECT * FROM documents WHERE content_ix @@ to_tsquery('word1') AND
> content_ix @@ to_tsquery('word2') OR content_ix @@ to_tsquery('word3');
>
> I'm having to do this on some complex querys to put LIKEs between some
> ts_querys.
> Does anyone has such experience?
>
> Thanks in advance,
>

--
Teodor Sigaev                                  E-mail: teodor@sigaev.ru


pgsql-general by date:

Previous
From: Andrew Sullivan
Date:
Subject: Re: Recomended FS
Next
From: "James Moe"
Date:
Subject: Re: Recomended FS