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Re: [PATCH] COPY .. COMPRESSED

From: Stephen Frost <sfrost(at)snowman(dot)net>
To: Claudio Freire <klaussfreire(at)gmail(dot)com>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,PostgreSQL-Dev <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] COPY .. COMPRESSED
Date: 2013-01-14 16:24:52
Message-ID: 20130114162452.GK16126@tamriel.snowman.net (view raw or flat)
Thread:
Lists: pgsql-hackers
* Claudio Freire (klaussfreire(at)gmail(dot)com) wrote:
> On Mon, Jan 14, 2013 at 1:01 PM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
> > I do like the idea of a generalized answer which just runs a
> > user-provided command on the server but that's always going to require
> > superuser privileges.
> 
> Unless it's one of a set of superuser-authorized compression tools.

Which would require a new ACL system for handling that, as I mentioned..
That certainly isn't what the existing patch does.

What would that look like?  How would it operate?  How would a user
invoke it or even know what options are available?  Would we provide
anything by default?  It's great to consider that possibility but
there's a lot of details involved.

I'm a bit nervous about having a generalized system which can run
anything on the system when called by a superuser but when called by a
regular user we're on the hook to verify the request against a
superuser-provided list and to then make sure nothing goes wrong.

	Thanks,

		Stephen

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