[OASIS Issue Tracker] (ODATA-993) 14.2: Explicitly allow annotations on deleted entities

Ralf Handl created ODATA-993:
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             Summary: 14.2: Explicitly allow annotations on deleted entities
                 Key: ODATA-993
                 URL: https://issues.oasis-open.org/browse/ODATA-993
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Improvement
          Components: OData JSON Format
    Affects Versions: V4.0_ERRATA03
         Environment: Proposed
            Reporter: Ralf Handl
             Fix For: V4.01_WD01


The delta format identifies deleted entities via their entity id.

For legacy systems that don't store the entity id and only know the underlying  key values it would be helpful if the sender would annotate the deleted entity JSON objects with the original key values, e.g.

    {
      "@odata.context":"#Customers/$deletedEntity",
      "id":"Customers('ANTON')",
      "@Legacy.entityKey":{
        "ID":"ANTON"
      },
      "reason":"deleted"
    }



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