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Subject: [OASIS Issue Tracker] Commented: (ODATA-387) Replace (at least) the second example in Section 13 of the CSDL document (public comment c201305e00002)


    [ http://tools.oasis-open.org/issues/browse/ODATA-387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=33489#action_33489 ] 

Ram Jeyaraman commented on ODATA-387:
-------------------------------------

The poster has provided some additional information: https://lists.oasis-open.org/archives/odata-comment/201305/msg00006.html. Does the approved resolution address the latest commentary?

> Replace (at least) the second example in Section 13 of the CSDL document (public comment c201305e00002)
> -------------------------------------------------------------------------------------------------------
>
>                 Key: ODATA-387
>                 URL: http://tools.oasis-open.org/issues/browse/ODATA-387
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Improvement
>          Components: OData CSDL
>    Affects Versions: V4.0_CSD01
>         Environment: [Applied]
>            Reporter: Stefan Drees
>            Assignee: Michael Pizzo
>            Priority: Minor
>             Fix For: V4.0_CSD02
>
>
> The public comment [c201305e00002](https://lists.oasis-open.org/archives/odata-comment/201305/msg00002.html) with title "DiscontinuedProducts is a really bad example'" challenges the second example given in the document revision of CSDL that participates in CSD01 public review as "really bad at best"(citation).
> The example (as copied from the html version of the CSD01 PR document) for "Other entity models may expose multiple entity sets per type. For instance, an entity model may have the following entity sets:" goes like this:
> """
> <EntitySet Name="Products" EntityType="Self.Product"/>
> <EntitySet Name="DiscontinuedProducts" EntityType="Self.Product"/>
> """ 
> The original poster (OP) further states w.r.t the current example, that: "It means a Product instance changes its entity set when it becomes discontinued, and that means any existing relationships to it become illegal.  There are still Order instances that need to refer to it (assuming it was ordered before it was discontinued), but now they can't intuitively refer to it because it doesn't exist in the Products entity set anymore -- it moved to the DiscontinuedProducts entity set.  An Order entity would need to a DiscontinuedProduct navigation property in order to refer to it.
> He then points to an example by Mike Pizzo of exposing a single type across multiple entity sets as provided to the odata.org mailing list [1](http://mailinglist.odata.org/scripts/wa-ODATA.exe?A2=ODATA;bc4700a0.1302).  The commenter thinks, that "Including this example would not only provide a correct example, but it would also demonstrate a situation where the new NavigationPropertyBinding element of EntitySet is required in order to disambiguate the target entity sets of navigation properties."(citation)
> For further details and possibly additional issues raised by the comment cf. [c201305e00002](https://lists.oasis-open.org/archives/odata-comment/201305/msg00002.html)

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