[OASIS Issue Tracker] (ODATA-755) Construction rule for canonical URL is incomplete

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

Ralf Handl created ODATA-755:
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             Summary: Construction rule for canonical URL is incomplete
                 Key: ODATA-755
                 URL: https://issues.oasis-open.org/browse/ODATA-755
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Bug
          Components: OData ABNF Construction Rules, OData CSDL, OData JSON Format, OData URL Conventions 
    Affects Versions: V4.0_ERRATA02
            Reporter: Ralf Handl
             Fix For: V4.0_ERRATA03


JSON Format 4.5.7 allows omitting the odata.id if it is identical to the canonical URL of the entity.

URL Conventions 4.3.1 defines how the canonical URL is constructed BUT does not specify how the key predicate is to be constructed canonically.

ABNF allows "synonyms" for the key predicate
- for a single key property the key predicate may contain or omit the key property name
- for multiple key properties no order is required for the key properties

As a consequence a client cannot know how to construct the canonical URL from the entity set and key properties.



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