Re: Is index usage in LIKE-queries with UTF-8 implemented in PG-8.3 ?
От | Pavel Stehule |
---|---|
Тема | Re: Is index usage in LIKE-queries with UTF-8 implemented in PG-8.3 ? |
Дата | |
Msg-id | 162867790706280743s782ff019nac0510253d158dee@mail.gmail.com обсуждение исходный текст |
Ответ на | Is index usage in LIKE-queries with UTF-8 implemented in PG-8.3 ? (Andreas Joseph Krogh <andreak@officenet.no>) |
Список | pgsql-sql |
Hello, it's possible. You have to use varchar_pattern_ops: CREATE INDEX like_index ON person(name varchar_pattern_ops); Regards Pavel Stehule 2007/6/28, Andreas Joseph Krogh <andreak@officenet.no>: > Hi all. > Anybody knows if the following query will use an index-scan in PG-8.3? > > SELECT name FROM person WHERE name LIKE 'and%'; > > I know this works in "C"-locale, but I need it with UTF-8, probably the rest > of the world soon too... > > -- > Andreas Joseph Krogh <andreak@officenet.no> > Senior Software Developer / Manager > ------------------------+---------------------------------------------+ > OfficeNet AS | The most difficult thing in the world is to | > Karenslyst Allé 11 | know how to do a thing and to watch | > PO. Box 529 Skøyen | somebody else doing it wrong, without | > 0214 Oslo | comment. | > NORWAY | | > Tlf: +47 24 15 38 90 | | > Fax: +47 24 15 38 91 | | > Mobile: +47 909 56 963 | | > ------------------------+---------------------------------------------+ > > ---------------------------(end of broadcast)--------------------------- > TIP 3: Have you checked our extensive FAQ? > > http://www.postgresql.org/docs/faq >
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