Re: PostgreSQL pollutes the file system

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Cc: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, "Fred (dot)Flintstone" <eldmannen(at)gmail(dot)com>, Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz>, Michael Paquier <michael(at)paquier(dot)xyz>, Andreas Karlsson <andreas(at)proxel(dot)se>, Chris Travers <chris(dot)travers(at)adjust(dot)com>, Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp>, Euler Taveira <euler(at)timbira(dot)com(dot)br>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: PostgreSQL pollutes the file system
Date: 2019-03-27 14:23:06
Message-ID: 17471.1553696586@sss.pgh.pa.us
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Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> On 2019-Mar-27, Tomas Vondra wrote:
>> I think the consensus in this thread (and the previous ancient ones) is
>> that it's not worth it. It's one thing to introduce new commands with the
>> pg_ prefix, and it's a completely different thing to rename existing ones.
>> That has inherent costs, and as Tom pointed out the burden would fall on
>> people using PostgreSQL (and that's rather undesirable).

> I thought the consensus was to rename them, and install symlinks to the
> old names.

The question is what's the endgame. We haven't actually fixed the
complained-of confusion problem unless we eventually remove createuser
and dropuser under those names. Are we prepared to force script
breakage of that sort, even over a multi-year deprecation cycle?

(As a comparison point, I note that we still haven't removed the
"postmaster" symlink, though it's been deprecated for at least a
dozen years.)

regards, tom lane

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