Re: [SQL] Searching Text Fields - Case Sensitive?

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От Moray McConnachie
Тема Re: [SQL] Searching Text Fields - Case Sensitive?
Дата
Msg-id 002801bee560$2e499d30$760e01a3@oucs.ox.ac.uk
обсуждение исходный текст
Ответ на Searching Text Fields - Case Sensitive?  ("Mike Field" <mike@fieldco.com>)
Ответы Re: [SQL] Searching Text Fields - Case Sensitive?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-sql
----- Original Message -----
From: Bart Ogryczak <bart@bart.w-wa.pl>
To: <pgsql-sql@postgreSQL.org>
Sent: Thursday, August 12, 1999 4:24 PM
Subject: Re: [SQL] Searching Text Fields - Case Sensitive?


> > SELECT * FROM mydb WHERE description LIKE "%foobar%";
> > it seems to be case sensitive.  Is there a way to do it so it is NOT
> > case-sensitive?
> SELECT * FROM mydb WHERE lower(description) LIKE "%foobar%";

Brings up an interesting question. Which is faster, to use the lower/upper
functions as above (and of course
if foobar is a variable, it would also have to be made lower case by the
program calling pgsql), or to use the pattern matching case-insensitive
operator?

Yours,
Moray




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