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Subject: [OASIS Issue Tracker] Updated: (ODATA-411) Reconsider placement and semantics of OnDelete element


     [ http://tools.oasis-open.org/issues/browse/ODATA-411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Drees updated ODATA-411:
-------------------------------

    Resolution: 
https://www.oasis-open.org/committees/download.php/49407/odata-v4.0-wd02-part3-csdl-2013-06-04.docx
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/schemas/edm.xsd?rev=333

Accepted: https://www.oasis-open.org/committees/download.php/49557/odata-meeting-41_on-20130613_14-F2F-minutes.html#odata-411


  was:
https://www.oasis-open.org/committees/download.php/49407/odata-v4.0-wd02-part3-csdl-2013-06-04.docx
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/schemas/edm.xsd?rev=333


> Reconsider placement and semantics of OnDelete element
> ------------------------------------------------------
>
>                 Key: ODATA-411
>                 URL: http://tools.oasis-open.org/issues/browse/ODATA-411
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Improvement
>          Components: OData CSDL
>    Affects Versions: V4.0_CSD01
>         Environment: [Applied]
>            Reporter: Ralf Handl
>            Assignee: Ralf Handl
>             Fix For: V4.0_CSD02
>
>
> Currently the OnDelete element is on the dependent side and specifies "what happens here if over there the last thing goes away", i.e. an observer/event subscription pattern. This may have been inspired by SQL's ON DELETE, which is also specified on the dependent side.
> The "original" OnDelete element of OData V2/V3 seems to be specified on the principal side of the association, unfortunately not explicitly stated, only deducible from the only given example:
>   <Association Name="CProductCategory">
>     <End Type="Self.CProduct" Multiplicity="*" />
>     <End Type="Self.CCategory" Multiplicity="0..1">
>       <OnDelete Action="Cascade" />
>     </End>
>   </Association>
> If the category goes away, it notifies its products to also go away.

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