Re: Wildcard searches & performance question

Поиск
Список
Период
Сортировка
От Andrew Sullivan
Тема Re: Wildcard searches & performance question
Дата
Msg-id 20030527193700.GB4459@libertyrms.info
обсуждение исходный текст
Ответ на Wildcard searches & performance question  (Grega Bremec <grega.bremec@noviforum.si>)
Список pgsql-performance
On Tue, May 27, 2003 at 09:09:08PM +0200, Grega Bremec wrote:
> that start with a wildcard, and would avoiding sequential scans even be
> feasible in such cases? Or in other words, can I somehow optimize LIKE and
> regexp queries that start with a wildcard?

Not really.  But it sounds like you might be a candidate for full
text indexing.  See contrib/tsearch for one implementation.

A

--
----
Andrew Sullivan                         204-4141 Yonge Street
Liberty RMS                           Toronto, Ontario Canada
<andrew@libertyrms.info>                              M2P 2A8
                                         +1 416 646 3304 x110


В списке pgsql-performance по дате отправления:

Предыдущее
От: Grega Bremec
Дата:
Сообщение: Wildcard searches & performance question
Следующее
От: Josh Berkus
Дата:
Сообщение: Re: Wildcard searches & performance question