Re: Updates of SE-PostgreSQL 8.4devel patches (r1268)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org, Bruce Momjian <bruce(at)momjian(dot)us>, KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>, KaiGai Kohei <kaigai(at)kaigai(dot)gr(dot)jp>
Subject: Re: Updates of SE-PostgreSQL 8.4devel patches (r1268)
Date: 2008-12-11 16:32:50
Message-ID: 8388.1229013170@sss.pgh.pa.us
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Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> On Thursday 11 December 2008 17:09:25 Tom Lane wrote:
>> I think there should be only *one* underlying column and that it should
>> be manipulable by either SQL commands or selinux. Otherwise you're
>> making a lie of the primary argument for having the SQL feature at all.

> Well, an SQL-manipulated row security column will probably have a content like

> {joe=rw/bob,staff=r/bob}

> An SELinux-aware row security column will probably have a content like

> blah_t:foo_t:quux_t

> And a Solaris TX-aware security column will probably have a content like

> Classified

> How can we stick all of these in the same column at the same time?

Why would we want to? I think one column that can hold any of these
ought to be sufficient. I certainly don't care for the idea that we
might invent still a third column for Solaris TX at some future time.

regards, tom lane

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