Re: md5() sorting - Mailing list pgsql-general

From Karsten Hilbert
Subject Re: md5() sorting
Date
Msg-id 20071107154554.GF5804@merkur.hilbert.loc
Whole thread Raw
In response to Re: md5() sorting  ("Marko Kreen" <markokr@gmail.com>)
Responses Re: md5() sorting  (Lew <lew@lwsc.ehost-services.com>)
List pgsql-general
On Wed, Nov 07, 2007 at 05:36:47PM +0200, Marko Kreen wrote:

> > > I'm wondering if you cast the md5sum as a bytea instead of text and
> > > then sort, if that would solve it simply.
> >
> > Along the lines of
> >
> >         ... ORDER BY decode(md5('...'), 'hex');
> >
> Maybe using digest(.., 'md5') function from pgcrypto would be better?
> It gives bytea immidiately.

Sounds better at first, yes, but requires pgcrypto to be
installed on machines onto which GNUmed is to be deployed.

Thanks for the suggestion, though.

Karsten
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