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Date: Fri, 02 Apr 2004 08:48:03 -0800
From: Joe Conway <mail@joeconway.com>
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To: Josh Berkus <josh@agliodbs.com>
Cc: pgsql-advocacy@postgresql.org, pgsql-sql@postgresql.org
Subject: Re: SQL Spec Compliance Questions
References: <200403302050.12415.josh@agliodbs.com>
	<406D1031.7010603@joeconway.com>
	<200404020838.22698.josh@agliodbs.com>
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Josh Berkus wrote:
>>4.16.2 Referenceable tables, subtables, and supertables
>>        A table BT whose row type is derived from a structured type ST is
>>        called a typed table. Only a base table or a view can be a typed
>>        table. A typed table has columns corresponding, in name and
>>        declared type, to every attribute of ST and one other column REFC
>>        that is the self-referencing column of BT; let REFCN be the
>>
>>I really don't quite understand this, but I don't think we have it ;-)
> Was the SQL99 Committee smoking crack, or what?    What the heck is that 
> *for*?

After re-reading it, I think it is related to (or at least similar to) 
the work Tom is currently doing to allow composite types as table 
attributes.

Joe