[Zope-dev] ZCatalog & distinct in SQL

[Casey Duncan]

--- Valérie Aulnette <vaulnette@yahoo.fr> wrote:
> Hi, 
> 
> I am using PTK and it does work with ZCatalog.
> I need to do the list of values that are in the
> catalog  but I need do do like a "select distinct"
> in
> SQL to have each value only once.
> Do you know how to do that in ZCatalog ?
> 
> Thanks.
> Valerie.
> 
>

For fieldindexes there is a catalog method
uniqueValuesFor(name) which when passed the name of
the index returns the unique values within it.

hth,

=====
| Casey Duncan
| Kaivo, Inc.
| cduncan@kaivo.com
`----------------->

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