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From: "Christopher Kings-Lynne" <chriskl(at)familyhealth(dot)com(dot)au>
To: "Pgsql-Hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: pg_relcheck
Date: 2000-11-27 03:54:38
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
In terms of making constraints more declarative, I think it would be neat to
add an extra field to pg_relcheck that is a foreign key (or null) into the
pg_attribute table.

That way, it would be possible to recover column CHECK constraints.  If the
field is NULL, you'd assume it was a table CHECK constraint...

Theoretically, it would mean that less information is 'lost' after the table


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