Hi Thomas, 

Thanks for your advice.

But, addGroupBy() accepts Field (name or FieldDescriptor).
I want use group by like below, (with mysql)
---
select DATE_FORMAT(DATE, " %Y %m %d"), count(*) from A0
group by DATE_FORMAT(DATE, " %Y %m %d")
--- 
The type of DATE is TIMESTAMP.

Is there any way ?

On Thursday 05 June 2003 18:57, Mahler Thomas wrote:
> Just have a a look at the Javadocs:
> http://db.apache.org/ojb/api/org/apache/ojb/broker/query/QueryByCriteria.ht
>m l#addOrderBy(java.lang.String)
>
> Thomas
>


-- 
-- shivaken
antshell: Ant command line front end
http://www.antshell.org


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