Re: How do I run a search on array
От | Stephan Szabo |
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Тема | Re: How do I run a search on array |
Дата | |
Msg-id | Pine.BSF.4.10.10009202059460.59740-100000@megazone23.bigpanda.com обсуждение исходный текст |
Ответ на | How do I run a search on array (Indraneel Majumdar <indraneel@www.cdfd.org.in>) |
Список | pgsql-sql |
On Thu, 21 Sep 2000, Indraneel Majumdar wrote: > select col1 from table while array_col[1][1:4]='2'; > > how do I do this sort of thing? There seems to be no docs ;-( > > my array is {{"1","2","4","2"},{"3","2","5"},{"6","3","7","9"}} You'll want to check out the array utilities in the contrib directory. They include element is member of array and other such functions and will probably do what you need. > I would also like to know that if I have an array as a large object, is it > possible to do a search on it using rows and columns (or by any other > way)? You're putting array style data into a large object with the lo_ functions? Probably not in a meaningful way, no (although I'd guess that toast might work for that kind of application when 7.1 comes out.)
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