Re: Domains as Subtypes

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
Cc: josh(at)agliodbs(dot)com, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Domains as Subtypes
Date: 2006-03-25 15:14:01
Message-ID: 18189.1143299641@sss.pgh.pa.us
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"Jim C. Nasby" <jnasby(at)pervasive(dot)com> writes:
> On Fri, Mar 24, 2006 at 10:49:00PM -0500, Tom Lane wrote:
>> I think we've got that one actually. It's domains as PL-function output
>> types that aren't checked. Also plpgsql fails to enforce domain checks
>> on its local variables.

> So is this the complete list?

No, I don't think so. IIRC we're also missing domain checks on
parameter values in Bind messages, and there might be some other
holes too. See the archives.

I made a suggestion about closing all these holes at once by
integrating domain checking into the I/O functions for domains,
but it's not clear how to do that without a big performance hit.

regards, tom lane

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