[OASIS Issue Tracker] (ODATA-1095) Allow empty edm:Schema elements

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

Ralf Handl created ODATA-1095:
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             Summary: Allow empty edm:Schema elements
                 Key: ODATA-1095
                 URL: https://issues.oasis-open.org/browse/ODATA-1095
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Improvement
          Components: CSDL JSON , CSDL XML
    Affects Versions: V4.01_CSD02
            Reporter: Ralf Handl
            Priority: Minor
             Fix For: V4.01_CS01


The current XML Schema for the EDM namespaces requires the edm:Schema element to contain at least one child element.

This is problematic in at least two use cases:
* OData API Designer tools - when starting with a "blank page"
* Services that "shrink" the schema to match user authorization - when the current user isn't allowed to see anything

Both require workarounds, e.g. having a dummy annotation in the schema telling that "this schema is intentionally empty".



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