[OASIS Issue Tracker] Commented: (ODATA-304) Add TargetKey attribute to <PropertyRef> within a <ReferentialConstraint

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    [ http://tools.oasis-open.org/issues/browse/ODATA-304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=32818#action_32818 ] 

Ralf Handl commented on ODATA-304:
----------------------------------

I like it.



> Add TargetKey attribute to <PropertyRef> within a <ReferentialConstraint
> ------------------------------------------------------------------------
>
>                 Key: ODATA-304
>                 URL: http://tools.oasis-open.org/issues/browse/ODATA-304
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Improvement
>          Components: OData CSDL
>    Affects Versions: V4.0_WD01
>         Environment: [Proposed]
>            Reporter: Michael Pizzo
>             Fix For: V4.0_WD01
>
>
> Today we require that a <ReferentialConstraint> element contain the same number of <PropertyRef> elements, in the same order, as the <PropertyRef> elements of the <Key> of the related entity.
> This is the only place where we rely on the ordering of the properties of the key.
> We should instead add a TargetKey attribute to explicitly specify the key property of the related entity to which a <PropertyRef> within a <ReferentialConstraint> applies.

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