Re: the current scoop on ilike and indexes

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От Thomas F.O'Connell
Тема Re: the current scoop on ilike and indexes
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Msg-id 24F7866C-0C10-11D9-8061-000D93AE0944@sitening.com
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Ответ на the current scoop on ilike and indexes  (Kevin Murphy <murphy@genome.chop.edu>)
Ответы Re: the current scoop on ilike and indexes  (Kevin Murphy <murphy@genome.chop.edu>)
Список pgsql-general
You can use an index on an expression like "lower( col ) LIKE ... " as
long as the LIKE expression is left-anchored. See

http://www.postgresql.org/docs/7.4/static/indexes-expressional.html

-tfo

On Sep 21, 2004, at 1:16 PM, Kevin Murphy wrote:

> I am pretty sure the answer is no, but ... is there any way to get
> 'ilike' to use an index?  It seems like something that a lot of people
> would want to do.  Otherwise, should I just create redundant
> case-mapped columns and use 'like'?
>
> Thanks,
> Kevin Murphy


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