Re: Query advice request

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Mladen Gogala
Тема
Re: Query advice request
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4CB0B337.7030208@vmsinfo.com
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Query advice request Mark Kelly <pgsql@wastedtimes.net>
Re: Query advice request Mladen Gogala <mladen.gogala@vmsinfo.com>
Re: Query advice request Mark Kelly <pgsql@wastedtimes.net>
Mark, you should be using text indexes. You are looking for the whole 
words and the regular expression will not use an index. If you want 
speed, at least one of the two columns in your query should be indexed 
with a text index.

Mark Kelly wrote:
> Hi.
>
> I'm wondering if there is a better way to do this:
>
> SELECT news.id FROM news 
> WHERE news.headline ~* '(japan|office)' 
> OR news.body ~* '(japan|office)' 
> ORDER BY news.posted DESC;
>
> It is for small articles; a few hundred or so rows in the table and not 
> expecting millions.
>
> Cheers,
>
> Mark
>
>   


-- 
Mladen Gogala 
Sr. Oracle DBA
1500 Broadway
New York, NY 10036
(212) 329-5251
www.vmsinfo.com 

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От: Mark Kelly
Дата:
Сообщение: Query advice request
От: Mladen Gogala
Дата:
Сообщение: Re: Query advice request
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