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From: Jim Nasby <Jim.Nasby@BlueTreble.com>
To: Robert Haas <robertmhaas@gmail.com>
To: Chapman Flack <chap@anastigmatix.net>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: tracking owner of extension-managed objects
Date: Wed, 23 Dec 2015 14:02:24 -0600
Message-ID: <567AFDD0.9090607@BlueTreble.com> (raw)
In-Reply-To: <CA+TgmobBFoWaCJhiX_gXaPfXjucChJiVM8J0LRZ34eo=VvP03w@mail.gmail.com>
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On 12/23/15 12:26 PM, Robert Haas wrote:
>> What's the lightest-weight object I can create that has an owner,
>> >and whose disappearance I can be notified of?
> Schema?

I was thinking view or function, since then you can hide all of them in 
an internal-only schema.

BTW, I've been pondering a very similar problem to this. I'm working on 
a metacoding framework, and it's inevitable that at some point it will 
want to know what objects it's created. I can use reg* for a lot of 
that, but that still doesn't let me do a foreign key. And not all 
objects have reg* casts last I looked.

I was planning on just making a best possible attempt and solving this 
in an extension via a combination of event triggers, reg* and other 
voodoo, but being able to insert things directly into pg_(sh)depend or 
equivalent tables would be a lot more robust.
-- 
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com


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