Foreign keys on array elements

From: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
To: Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Foreign keys on array elements
Date: 2005-04-20 06:20:11
Message-ID: 4265F49B.6010205@familyhealth.com.au
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Hi,

Can you put a foreign key constraint on an array column that says that
each element of the array must match a primary key?

If not, is this a TODO perhaps?

Chris

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