Re: Case insensitive string comparison?
| От | tjk@tksoft.com |
|---|---|
| Тема | Re: Case insensitive string comparison? |
| Дата | |
| Msg-id | 200105211153.EAA24780@smtp3.tksoft.com обсуждение исходный текст |
| Ответ на | Re: Case insensitive string comparison? (Cedar Cox <cedarc@visionforisrael.com>) |
| Список | pgsql-sql |
You can index the lower(...) queries, but you can't for the regex queries. Troy > > > On Tue, 15 May 2001, Karel Zak wrote: > > > On Tue, May 15, 2001 at 02:48:24PM +0200, Borek Lupomìský wrote: > > > Is there an operator for case insensitive string comparison, or > > > should I use regular expression matching with ~* '^string$'? > > > > possibility: > > > > - use upper() / lower() inside query > > Ok, this is probably a really silly question: which is faster? > I expect they are nearly identical code. Just wondering... > > -Cedar > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/users-lounge/docs/faq.html >
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