[OASIS Issue Tracker] (ODATA-1247) DerivedTypeConstraint should apply to entityset, singleton, navigation properties, parameters, and action/function returns

Michael Pizzo created ODATA-1247:
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             Summary: DerivedTypeConstraint should apply to entityset, singleton, navigation properties, parameters, and action/function returns
                 Key: ODATA-1247
                 URL: https://issues.oasis-open.org/browse/ODATA-1247
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Bug
          Components: Vocabularies
    Affects Versions: V4.01_CS01
         Environment: Proposed
            Reporter: Michael Pizzo
             Fix For: V4.01_CS02


ODATA-1232 proposed supporting "union types" by restricting the set of types derived from a common type.  In processing ODATA-1232, we discovered that we already had an annotation term, DerivedTypeConstraint, for restricting the set of derived types.

The DerivedTypeConstraint annotation term was originally added in ODATA-1034 to restrict the set of primitive types supported for a property or type definition. While it makes sense to use the same term for other constraints on derived type, we neglected to add those other targeted elements to the AppliesTo list.



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