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SYNTAX:
 
xpfGetScratchEntityExtentBN (schemaName, entityName : STRING) entityExtentId        : SET OF GENERIC;
 
The xpfGetScratchEntityExtentBN function returns the instances aggregate of the entity extent instance in the scratch model that contains all scratch instances of the specified instance type. The combination of <schemaName> and <entityName> uniquely identifies an entity definition (instance type) in an EDMdatabase.
Scratch instances belongs to an EDMserver session, hence scratch instances and scratch entity extents are not persistent in an EDMdatabase.
All EDMinterface read access operations that are applicable on SET aggregates are applicable to the returned entityExtentId.
The constant xpxNullId is returned when no matching entity extent is found.
This function is equivalent to the EDMinterface function edmiGetScratchEntityExtentBN.

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