[Mondrian] Question on non-aggregable measures

[Julian Hyde]

We already have the mother of all non-aggregable measures, namely
distinct-count. It's slightly different in that it's computable by going
back to the fact table, whereas for what you want, if it's not in the agg
table, it ain't there at all. (Or maybe you would allow aggregation on some
dimensions but not others - I don't know your precise requirements.)
 
So, it isn't there, but it could be fairly easily implemented by
generalizing the distinct-count functionality.
 
Julian


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From: mondrian-bounces at pentaho.org [mailto:mondrian-bounces at pentaho.org] On
Behalf Of michael bienstein
Sent: Wednesday, November 21, 2007 11:16 PM
To: Mondrian developer mailing list
Subject: [Mondrian] Question on non-aggregable measures


Hello all,

I may very well use Mondrian in a short project soon.  One point that I
think is probably missing that is part of the requirements is a
non-aggregable measure that is read only from aggregation tables.  E.g. a
budget or objective that is filled in at certain members of an org hierarchy
but not all and certainly not aggregated from facts attached to the leaves.


I don't know if this can be handled by the existing code (it's been more
than 6 months since I last looked at the code).  Can anyone tell me please?

Thanks,

Michael


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