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SYNTAX:
 
xpfIsSubtypeAggr (aggrlId       : AGGREGATE OF GENERIC)
                  isSubtypeAggr : LOGICAL;
 
The xpfIsSubtypeAggr function checks if the specified aggregate is a subtype aggregate. Subtype aggregates contains all instances of one particular instance type and all instances that are a subtype of this particular instance type in a data model.
Subtype aggregates belongs to an EDMserver session, hence subtype aggregates are not persistent in the EDMdatabase.
Related function: xpfCreateSubtypeAggr
This function is equivalent to the EDMinterface function edmiIsSubtypeAggr.

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