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Re: Basic DOMAIN Support

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Rod Taylor" <rbt(at)zort(dot)ca>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: Basic DOMAIN Support
Date: 2002-02-25 02:29:09
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-patches
"Rod Taylor" <rbt(at)zort(dot)ca> writes:
> Did that originally with a function called MergeDomainAttributes()
> (since removed).  The goal was to allow the user to change table
> attributes without overriding the domain.    The constraints are
> 'merged' on execution for every other constraint type (default is
> wacky though), so don't see why NOT NULL should be special.

It appeared to me that the intention was to merge at table creation
time, not at execution.  I would certainly recommend doing it that
way for simplicity and performance reasons.  (This does put ALTER DOMAIN
out of reach, but I feel no pain at not supporting that.)

			regards, tom lane

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Subject: Re: [HACKERS] Updated TODO item
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