Re: more ALTER .. DEPENDS ON EXTENSION fixes

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Pg Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: more ALTER .. DEPENDS ON EXTENSION fixes
Date: 2020-02-17 23:56:03
Message-ID: 20200217235603.GA32740@alvherre.pgsql
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On 2020-Feb-17, Alvaro Herrera wrote:

> * More than one 'x' dependencies are allowed for the same object on the
> same extension. That's useless and polluting, so should be prevented.
>
> * There's no way to remove an 'x' dependency.

Here's these two patches. There's an "if (true)" in 0002 which is a
little weird -- that's there just to avoid reindenting those lines in
0003.

In principle, I would think that these are all backpatchable bugfixes.
Maybe 0002 could pass as not backpatchable since it disallows a command
that works today. OTOH the feature is rarely used, so maybe a backpatch
is not welcome anyhow.

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Attachment Content-Type Size
0002-Avoid-duplicates-in-ALTER-.-DEPENDS-ON-EXTENSION.patch text/x-diff 3.4 KB
0003-Add-ALTER-.-NO-DEPENDS-ON.patch text/x-diff 18.2 KB

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