Re: how to speed ilike

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От Julius Tuskenis
Тема Re: how to speed ilike
Дата
Msg-id 4B5DB9B6.5040306@nsoft.lt
обсуждение исходный текст
Ответ на Re: how to speed ilike  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Ответы Re: how to speed ilike  (Kenneth Marshall <ktm@rice.edu>)
Re: how to speed ilike  (Dimitri Fontaine <dfontaine@hi-media.com>)
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Thank you for your answer Kevin.
> create index tblname_username_latin on tblname
> ((fnk_latin(username)));
>
Tried this, but with no changes
> You might want to have that function force all letters to lowercase.
>
Tried that too, but seem to me that ILIKE doesn't use the index. I'm
using username ilike '%blablabla%' , so maybe theres no way for ilike to
benefit from an index.
> It might also help to specify varchar_pattern_ops.
>
I added varchar_pattern_ops to index declaration, but this didn't help
either.

Do you have any other ideas?

--
Julius Tuskenis
Programavimo skyriaus vadovas
UAB nSoft
mob. +37068233050


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