SYNTAX:
xpxDeleteAllScratchInstancesOfSchemaBN (schemaName : STRING)
status : INTEGER;
The xpxDeleteAllScratchInstancesOfSchemaBN function deletes all scratch instances of the specified schema, i.e., all scratch instances of entities defined in the actual Express schema.
Scratch instances are volatile instances that will never be written to the persistent EDMdatabase. No persistent instances can have relations to a scratch instance, but a scratch instance can have relations to persistent instances.
Scratch instances belongs to a session, hence scratch instances cannot be shared by concurrent users of an EDMdatabase.
All scratch instances created in a session will be permanently deleted when the actual session is closed or the database is closed.
This function is equivalent to the EDMinterface function edmiDeleteAllScratchInstancesOfSchemaBN
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