[Mondrian] Heavy SqlMemberSource.getMemberChildren evaluation

[Sherman Wood]

It is getting the values for the degenerate dimension. It should only get
this once.

Sherman

-----Original Message-----
From: mondrian-bounces at pentaho.org [mailto:mondrian-bounces at pentaho.org]
On Behalf Of Pedro Alves
Sent: Wednesday, June 03, 2009 5:00 AM
To: Mondrian Mailing List
Subject: [Mondrian] Heavy SqlMemberSource.getMemberChildren evaluation



Hello again.


While implementing agg tables in my dashboards and trying to make this
over 5 billion rows queries light speed, I stumbled upon a very weird
thing


Mondrian is doing the following query:

    2009-06-02 19:49:50,649 DEBUG [mondrian.rolap.RolapUtil]
    SqlMemberSource.getMemberChildren: done executing sql [select 
        "blocklist_requests_by_day"."gecko_version" as "c0"
    from 
        "blocklist_requests_by_day" as "blocklist_requests_by_day"
    group by 
        "blocklist_requests_by_day"."gecko_version"
    order by 
        "blocklist_requests_by_day"."gecko_version" ASC
    ], exec+fetch 21993 ms, 425 rows


This is a degenerated dimension, so it's kind'a expected; but the thing is
that I'm not using this dimension in *any* query I'm doing.


Any idea why mondrian is doing this?


Thanks



-- 
Pedro Alves
pmgalves-at-gmail.com

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