Re: Query-ing arrays

From: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>
To: Jon Lapham <jlapham(at)gandalf(dot)bioqmed(dot)ufrj(dot)br>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: Query-ing arrays
Date: 2000-09-01 16:07:35
Message-ID: Pine.BSF.4.10.10009010906530.70404-100000@megazone23.bigpanda.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-sql


I'd suggest checking the array utilities in contrib. I believe
it has functions/operators for element in set.

Stephan Szabo
sszabo(at)bigpanda(dot)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.

In response to

Responses

Browse pgsql-sql by date

  From Date Subject
Next Message Jon Lapham 2000-09-01 18:31:38 Re: Query-ing arrays
Previous Message Jon Lapham 2000-09-01 15:27:04 Query-ing arrays