On Fri, Jan 8, 2010 at 11:06 AM, Rui Carvalho <rui.hmcarva...@gmail.com> wrote:
> Hi
>
> well it's pretty simple
>
> if you want to see if there are elements in common then instead of "any" use
> "&&"
> if you want to see if they are equal just use " = " that will five you true
> or false

you also have the option of expanding the array into a set and using
standard query techniques.  w/8.4, you can use the built in
unnest()...for earlier versions you have to create it yourself
(trivially done):

http://archives.postgresql.org/pgsql-patches/2008-03/msg00308.php

merlin

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