[Mondrian] Aggregate tables and distinct-count

[Pedro Alves]

IT IS WORKING!


However, I had to skip the first level of a hierarchy, marking the 
second level as collapsed= false.. something I've never used before and 
seems to be exactly for this :p



-pedro




On 01/14/2013 05:01 PM, Julian Hyde wrote:
> yes, it should be used.
>
> furthermore, mondrian knows that it is safe to roll up any attributes that are functionally dependent on the measure column. (e.g. if you have computed count(distinct customer_id), and you have in the agg table the distinct count for male and female customers in each state, you can compute the number of distinct customers in each state by adding the distinct males and females.)
>
> Julian
>
>
> On Jan 14, 2013, at 8:52 AM, Pedro Alves <pmgalves at gmail.com> wrote:
>
>>
>>
>> I know we can't aggregate distinct-count measures like we do with the
>> others.
>>
>> But if a query matches a specific aggregation table's bitkey,
>> couldn't/shuoldn't it be used?
>>
>>
>>
>> -pedro
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