Re: ignore case in where clause

Поиск
Список
Период
Сортировка
От Edward W. Rouse
Тема Re: ignore case in where clause
Дата
Msg-id 06ff01cd086f$8a610aa0$9f231fe0$@com
обсуждение исходный текст
Ответ на Re: ignore case in where clause  (Guillaume Lelarge <guillaume@lelarge.info>)
Список pgsql-sql
That was exactly it, Thanks.

> -----Original Message-----
> From: pgsql-sql-owner@postgresql.org [mailto:pgsql-sql-
> owner@postgresql.org] On Behalf Of Guillaume Lelarge
> Sent: Thursday, March 22, 2012 4:39 PM
> To: Edward W. Rouse
> Cc: pgsql-sql@postgresql.org
> Subject: Re: [SQL] ignore case in where clause
> 
> On Thu, 2012-03-22 at 16:26 -0400, Edward W. Rouse wrote:
> > I am currently using lower(column) = '' for matching case
> insensitive. I
> > know that there are ways to do this with regular expressions too. I
> recently
> > noticed that including even one lower causes severe performance
> issues (from
> > 290ms to over 80Kms).
> >
> 
> Probably because it cannot use the index anymore. Try creating an index
> on lower(column), and see if it helps.
> 
> 
> --
> Guillaume
> http://blog.guillaume.lelarge.info
> http://www.dalibo.com
> 
> 
> --
> Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-sql



В списке pgsql-sql по дате отправления:

Предыдущее
От: Guillaume Lelarge
Дата:
Сообщение: Re: ignore case in where clause
Следующее
От: Bear
Дата:
Сообщение: Problem with inserting data produced by the function (when the function is performed).