When possible, replaces aggregation over a member set with a reference to an ancestor, if the aggregated member set comprises a complete set of descendants and all members have the weight 1.

This parameter is not applicable to Planning Analytics Engine.

For example, the aggregation aggregate(children(<Member>)) might be replaced with a reference to <Member>.

Parameter type: optional, static

This parameter is applicable only when using TM1® with IBM Cognos® Analytics.

To enable CognosMDX.AggregateByAncestorRef, add the following line to the tm1s.cfg file:

Default value: false