[OASIS Issue Tracker] (ODATA-1328) Simplify query rules by removing $expand select option

Michael Pizzo created ODATA-1328:
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             Summary: Simplify query rules by removing $expand select option
                 Key: ODATA-1328
                 URL: https://issues.oasis-open.org/browse/ODATA-1328
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Bug
          Components: ABNF, Protocol, URL Conventions
    Affects Versions: V4.01_CS01
         Environment: Proposed
            Reporter: Michael Pizzo
             Fix For: V4.01_CS02


In OData-1105 we added support for simplifying the syntax for selecting multiple fields from a complex type by introducing $select options, consistent with nested expand options. This also allowed us to specify other select options for collections, such as top, skip, count, and filter. 

Unfortunately, we also introduced $expand as a nested select option. Providing the ability to expand inside a select provides multiple ways to express the same thing in the same request, requiring rules to validate the combination of nested expands and regular expands that add complexity to the system with no added benefit.



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