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Re: look-ahead aggregate [message #890692 is a reply to message #890605] |
Fri, 22 June 2012 17:09  |
Eclipse User |
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This depends I believe on the type of aggregate. For example TOPN and
BOTTOMN aggregates require multiple passes where others do not. BIRT
figures this out on its own based on the implemented functions. In fact
if you implement your own you can set the number of passes.
Jason
On 6/22/2012 12:34 PM, ivkina Mising name wrote:
> Jason,
> So there is no special checkbox or other indicator to say that this a
> look ahead aggregate...just use the aggregate function anywhere in the
> report (table header for instanse) and Birt should figure out that
> automatically?
>
> Thanks,
> Aleksey
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