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Re: security checks for largeobjects?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Fetter <david(at)fetter(dot)org>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org, KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>
Subject: Re: security checks for largeobjects?
Date: 2009-06-22 15:31:45
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
David Fetter <david(at)fetter(dot)org> writes:
> On Mon, Jun 22, 2009 at 05:18:51PM +0300, Peter Eisentraut wrote:
>> MED is management of external data, whereas the large objects are internal, 
>> no?

> It depends on your definition.  The lo interface is pretty much to
> objects on the file system directly.

LO's are transaction-controlled, and they're not (readily) accessible
from outside the database.  Seems rather completely different from
regular filesystem files.

(In any case, there wasn't anything I liked about SQL/MED's ideas about
external files, so I'm not in favor of modeling LO management after that.)

			regards, tom lane

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