On 04/06/2007, at 5:40 PM, Andrus Adamchik wrote:
>> It'd be worth adding support for not only count but avg, max, min,
>> sum operations on keys... like: people..vg.age.
>
> Sure, but my point was that query should not run itself. Hence the
> separation between the query and its execution logic.
>
>> Maybe the class I posted beforehand could be easily morphed into
>> such a query helper(?).
>
> Yes - in defining CountQuery, MaxQuery, etc. it seems like what we
> need.
>
>> I think the query needs to return 1 object in the list of results
>> which is a Number rather than returning a Map where there's an
>> element with key 'C' (which is fine for sql template operations
>> but I'd have thought the point of a stats helper would be to
>> abstract that kind of stuff.
>
> I was thinking that DataObjectUtils.intValueForQuery proposed below
> would do the unwrapping of the map into a scalar value. It can do
> it in a generic fashion as long as there's only one key in the
> returned map.
Great. Will the DataObjectUtils.intValueForQuery work with 3 tier also?
with regards,
--Lachlan Deck
This archive was generated by hypermail 2.0.0 : Mon Jun 04 2007 - 03:46:54 EDT