From: | Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com> |
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To: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Andreas Karlsson <andreas(at)proxel(dot)se> |
Cc: | "Fred (dot)Flintstone" <eldmannen(at)gmail(dot)com>, Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Paquier <michael(at)paquier(dot)xyz>, Chris Travers <chris(dot)travers(at)adjust(dot)com>, Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, 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 17:26:11 |
Message-ID: | 2f06f405-3c07-a55a-5558-4af566867c3d@2ndquadrant.com |
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Thread: | |
Lists: | pgsql-hackers pgsql-pkg-debian |
On 27/03/2019 15:26, Tomas Vondra wrote:
> On Wed, Mar 27, 2019 at 03:07:24PM +0100, Andreas Karlsson wrote:
>> On 3/27/19 2:51 PM, 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 personally don't see why having commands without pg_ prefix would be
>>> an issue. Especially when placed in a separate directory, which
>>> eliminates
>>> the possibility of conflict with other commands.
>>
>> I buy that it may not be worth breaking tens of thousands of scripts
>> to fix this, but I disagree about it not being an issue. Most Linux
>> distributions add PostgreSQL's executables in to a directory which is
>> in the default $PATH (/usr/bin in the case of Debian). And even if it
>> would be installed into a separate directory there would still be a
>> conflict as soon as that directory is added to $PATH.
>>
>
> That is true, of course.
It's only partially true, for example on my systems:
Debian/Ubuntu:
$ readlink -f /usr/bin/createuser
/usr/share/postgresql-common/pg_wrapper
Centos (PGDG package):
readlink -f /usr/bin/createdb
/usr/pgsql-11/bin/createdb
This also means that the idea about symlinks is something packages
already do.
--
Petr Jelinek http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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