Re: Default Roles

From: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
To: Stephen Frost <sfrost(at)snowman(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Adam Brightwell <adam(dot)brightwell(at)crunchydatasolutions(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Default Roles
Date: 2015-05-13 10:13:29
Message-ID: 555323C9.2040605@iki.fi
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On 05/13/2015 06:07 AM, Stephen Frost wrote:
> This does change the XLOG functions to require pg_monitor, as discussed
> on the other thread where it was pointed out by Heikki that the XLOG
> location information could be used to extract sensitive information
> based on what happens during compression.

That seems like an orthogonal issue, not something that should be
bundled in this patch. IIRC we didn't reach a consensus on what to do
about the compression-leaks-information issue. One idea was to make it
configurable on a per-table basis, and if we do that, perhaps we don't
need to restrict access to pg_current_xlog_location() and friends.

- Heikki

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