From: Tom Lane <tgl@sss.pgh.pa.us>
To: Dmitry Dolgov <9erthalion6@gmail.com>
cc: Arthur Zakirov <a.zakirov@postgrespro.ru>,
        David Steele <david@pgmasters.net>,
        Peter Eisentraut <peter.eisentraut@2ndquadrant.com>,
        PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: [PATCH] Generic type subscripting
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Comments: In-reply-to Dmitry Dolgov <9erthalion6@gmail.com>
	message dated "Mon, 11 Sep 2017 23:33:20 +0200"
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Date: Mon, 11 Sep 2017 17:45:28 -0400
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Dmitry Dolgov <9erthalion6@gmail.com> writes:
>> On 11 September 2017 at 23:19, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Uh, what?  Sure you can.  Just because the existing code never has a
>> reason to create such a dependency doesn't mean it wouldn't work.

> Well, I thought that `pg_depend` was not intended to be used from
> user-defined code and it's something "internal".

Well, no, we're not expecting that SQL code will manually insert rows
there.  This feature should have some sort of SQL command that will
set up the relevant catalog entries, including the dependencies.
If you don't want to do that, you're going to need the runtime tests.

			regards, tom lane


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