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From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Arthur Zakirov <a.zakirov@postgrespro.ru>
To: Dmitry Dolgov <9erthalion6@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: David Steele <david@pgmasters.net>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: [PATCH] Generic type subscripting
Date: Tue, 19 Sep 2017 21:01:57 -0400
Message-ID: <390c5fe0-bced-9d4d-6167-82896efa93bf@2ndquadrant.com> (raw)
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On 9/18/17 05:39, Arthur Zakirov wrote:
> On Mon, Sep 18, 2017 at 10:31:54AM +0200, Dmitry Dolgov wrote:
>> Just to clarify, do you mean that `CREATE SUBSCRIPTING FOR` would only make
>> a
>> dependency record? In this case `DROP SUBSCRIPTING FOR` actually means just
>> drop an init function.
> I think it would be good to add new catalog table.

Would you mind posting a summary of how you go here?

Superficially, it seems like this sort of feature should be handled by a
couple of type attributes and pg_type columns.  But you are talking
about a new system catalog and new DDL, and it's not clear to me how you
got here.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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