Re: Query-ing arrays
От | Stephan Szabo |
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Тема | Re: Query-ing arrays |
Дата | |
Msg-id | Pine.BSF.4.10.10009010906530.70404-100000@megazone23.bigpanda.com обсуждение исходный текст |
Ответ на | Query-ing arrays (Jon Lapham <jlapham@gandalf.bioqmed.ufrj.br>) |
Ответы |
Re: Query-ing arrays
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Список | pgsql-sql |
I'd suggest checking the array utilities in contrib. I believe it has functions/operators for element in set. Stephan Szabo sszabo@bigpanda.com On Fri, 1 Sep 2000, Jon Lapham wrote: > Stupid FAQ probably: > > Is it possible to query an array for an item WITHOUT KNOWING where in the > array the item might be held? > > For example, I have a tbale with the following character array: > > category char(3)[], > > I would like to find all records in which 'category' contains an array > element of a certain type, like maybe 'xxx' for instance. So, for a > particular record, 'category' may be set to '{'gfe','qwe','xcs','xxx'}' > > I cannot do: > SELECT * FROM blah WHERE category[4]='xxx'; > because I do not know that the 'xxx' will always be in the 4th position.
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