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9 Appendix E: Differences Between CSDL 2.0 and CSDL 3.0

9 Appendix E: Differences Between CSDL 2.0 and CSDL 3.0

CSDL 3.0 is a superset of CSDL 2.0.

This section summarizes the differences between CSDL 2.0 and CSDL 3.0.

CSDL 2.0 is restricted in the following ways:

  • Property cannot define a Type attribute with a value of "Collection".

  • Property cannot use EDMSimpleType value of "Stream".

  • Property cannot use the following EDMSimpleType values:

    • "Geography"

    • "GeographyPoint"

    • "GeographyLineString"

    • "GeographyPolygon"

    • "GeographyCollection"

    • "GeographyMultiPoint"

    • "GeographyMultiLineString"

    • "GeographyMultiPolygon"

    • "Geometry"

    • "GeometryPoint"

    • "GeometryLineString"

    • "GeometryPolygon"

    • "GeometryCollection"

    • "GeometryMultiPoint"

    • "GeometryMultiLineString"

    • "GeometryMultiPolygon"

  • FunctionImport cannot define an IsSideEffecting attribute.

  • FunctionImport cannot define an IsComposable attribute.

  • FunctionImport cannot define an IsBindable attribute.

  • FunctionImport cannot define a ReturnType as a child element.

  • The following elements cannot appear:

    • Annotations

    • Null

    • String

    • Int

    • Float

    • Decimal

    • Bool

    • DateTime

    • DateTimeOffset

    • Guid

    • Binary

    • Record

    • Collection

    • LabeledElement

    • Path

    • Apply

    • If

    • IsType

    • AssertType

    • EnumType

    • EnumType Member

    • TypeAnnotation

    • ValueAnnotation

  • NavigationProperty cannot have a ContainsTarget attribute.

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