From: Joe Conway <mail@joeconway.com>
To: Josh Berkus <josh@agliodbs.com>
Cc: pgsql-advocacy@postgresql.org
Cc: pgsql-sql@postgresql.org
Subject: Re: SQL Spec Compliance Questions
Date: Fri, 02 Apr 2004 08:48:03 -0800
Message-ID: <406D9943.8070401@joeconway.com> (raw)
In-Reply-To: <200404020838.22698.josh@agliodbs.com>
References: <200403302050.12415.josh@agliodbs.com>
<406D1031.7010603@joeconway.com>
<200404020838.22698.josh@agliodbs.com>
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: mail@joeconway.com, josh@agliodbs.com, pgsql-advocacy@postgresql.org
Subject: Re: SQL Spec Compliance Questions
In-Reply-To: <406D9943.8070401@joeconway.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox