I haven't tried it myself but the AdvancedQuery product from the
uber-zope-guru Dieter Maurer supports this:
http://www.dieter.handshake.de/pyprojects/zope/AdvancedQuery.html#bct_sec_4


On 28 May 2010 10:40, Giampiero Benvenuti
<giampiero.benven...@chiaroscuro.com> wrote:
> Hello,
>
> I have a simple/silly question:
>
> how can you sort the Catalog results with 2 parameters? Es:
> sort_on='last_name', sort_on='first_name'... in the old days was
> simple: sort='last_name, first_name'
>
> Thank You,
>
> Giampiero
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-- 
Peter Bengtsson,
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