Re: PostgreSQL pollutes the file system

From: Christoph Berg <myon(at)debian(dot)org>
To: Joe Conway <mail(at)joeconway(dot)com>
Cc: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp>, Andreas Karlsson <andreas(at)proxel(dot)se>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, eldmannen(at)gmail(dot)com, mark(dot)kirkwood(at)catalyst(dot)net(dot)nz, Michael Paquier <michael(at)paquier(dot)xyz>, Chris Travers <chris(dot)travers(at)adjust(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Euler Taveira <euler(at)timbira(dot)com(dot)br>, rjuju123(at)gmail(dot)com, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: PostgreSQL pollutes the file system
Date: 2019-03-29 19:43:30
Message-ID: 20190329194330.GD19154@msg.df7cb.de
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Re: Joe Conway 2019-03-29 <48e5efaf-7ea2-ed70-a803-949bbfec8f6b(at)joeconway(dot)com>
> echo "\password :\"role\"" | psql -v role='my role'
> Enter new password:
> Enter it again:
>
> That said, this is kind of off the topic of this thread.

It is on-topic because the reason we can't just tell people to replace
createuser $foo
with
psql -c "create user $foo"
is because $foo might need escaping.

IMHO if we find an way to do that which is acceptable for sh scripts,
the createuser/... commands could go.

> I like Tom's last suggestion of:
>
> pg_util <command> <options>
>
> Of course that does not lend itself to symlinking for backward
> compatibility, does it? If there is a way I am not familiar with it.

We could symlink createuser -> pg_util. It is pretty common for
commands to act differently based on the name the were invoked as.

> I guess the alternative would be an alias, but can packages install an
> alias? Or something else I am not thinking about?

Aliases won't work for non-interactive shell scripts.

Christoph

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