[Mondrian] RE: Explicit aggregate tables

Julian Hyde julianhyde at speakeasy.net
Tue May 22 20:09:59 EDT 2007


Thanks. I logged a Feature Request for this.

http://sourceforge.net/tracker/index.php?func=detail&aid=1723855&group_i
d=35302&atid=414616 

> -----Original Message-----
> From: Richard Emberson [mailto:remberson at edgedynamics.com] 
> Sent: Tuesday, May 22, 2007 2:43 PM
> To: Julian Hyde
> Cc: mondrian at pentaho.org
> Subject: Re: Explicit aggregate tables
> 
> 
> If one uses the AggName element, then one MUST also
> specify ALL of the mappings using: AggFactCount,
> AggIgnoreColumn, AggForeignKey, AggMeasure and
> AggLevel.
> This in-schema aggregate table recognizer is
> "explicit", ALL information must be specified.
> On the other hand, the default recognizer does
> pattern matching and nothing has to be specified
> in the schema file.
> Here, we do not use the explicit aggregate table
> recognizer simply because there is so much that
> has to be specified. We built our own version of
> a default recognizer that matches what we want.
> 
> In an earlier version of the documentation, the
> AggName element had no child elements but thats
> now been corrected - it always requires child
> elements (or it will not be very useful having
> identified no columns, levels, etc.).
> 
> Richard




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