[OASIS Issue Tracker] (ODATA-935) Allow singletons to be members of an entity set

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

    [ https://issues.oasis-open.org/browse/ODATA-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=63475#comment-63475 ] 

Michael Pizzo commented on ODATA-935:
-------------------------------------

1) Syntax of navpropbinding of singleton to an entity set should be rationalized with ODATA-674 (although this is syntax for Path and ODATA-674 is about target, both are extending the existing path syntax so they should be consistent).
2) How valuable is it to know that a singleton comes from a particular entity set?
3) Note that, now that singletons can be keyless, we need to be sure that a navpropertybinding of a singleton to an entity set requires that the singleton type have a key defined.

> Allow singletons to be members of an entity set
> -----------------------------------------------
>
>                 Key: ODATA-935
>                 URL: https://issues.oasis-open.org/browse/ODATA-935
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Improvement
>          Components: OData CSDL
>    Affects Versions: V4.0_ERRATA02
>         Environment: Proposed
>            Reporter: Ralf Handl
>             Fix For: V4.01_WD01
>
>
> Sometimes candidates for singletons are also members of entity sets, e.g. "Me" will also be in "People", "Contoso" will also be in "Companies".



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