[Mondrian] Re: change 9710: aggregating count-distinct over compound cells
mkambol at gmail.com
Mon Dec 3 11:17:48 EST 2007
These changes sound like something that could help us a lot, too. Do you
have any guess about when you might be implementing the change?
On Nov 25, 2007 6:55 PM, Julian Hyde <jhyde at pentaho.org> wrote:
> > Rushan Chen wrote:
> > I have drafted a design doc based on the "CellContext" idea
> > to improve
> > the performance of aggregate loading for cells with
> > "compound" constraints.
> > This proposal requires pretty far-reaching code change so I did some
> > prototyping to make sure this idea would work. So far, despite the
> > sizable changes required, the basic functionalities(batch loading,
> > caching) are working with some careful extraction of code and
> > streamlining of interfaces. This hopefully will make aggregate
> > loading/caching more modular and using the new set of interfaces less
> > error prone.
> > Since I have done just some prototyping, there could be design flaws
> > lurking still. I would really appreciate your input and/or
> > your comments
> > on how to better test this improvement.
> Thanks for the heads up and the detailed design document. I've read it
> through once, and can't find fault with it. It looks like it will work,
> it's more elegant than what I have now.
> I will read it in more detail on my plane journey from London.
> Mondrian mailing list
> Mondrian at pentaho.org
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