[OASIS Issue Tracker] Updated: (ODATA-165) Support Cross-joins

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     [ http://tools.oasis-open.org/issues/browse/ODATA-165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Drees updated ODATA-165:
-------------------------------

    Resolution: 
https://www.oasis-open.org/committees/download.php/48584/odata-core-v4.0-wd01-part1-protocol-2013-03-19.doc
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/vocabularies/Org.OData.Core.V1.xml?rev=295


https://www.oasis-open.org/committees/download.php/49202/odata-v4.0-wd02-part2-url-conventions-2013-05-16.docx

Accepted: https://www.oasis-open.org/committees/download.php/49557/odata-meeting-41_on-20130613_14-F2F-minutes.html#odata-165

https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-construction-rules.txt?rev=215
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-testcases.xml?rev=215

  was:
https://www.oasis-open.org/committees/download.php/48584/odata-core-v4.0-wd01-part1-protocol-2013-03-19.doc
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/vocabularies/Org.OData.Core.V1.xml?rev=295


https://www.oasis-open.org/committees/download.php/49202/odata-v4.0-wd02-part2-url-conventions-2013-05-16.docx
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-construction-rules.txt?rev=215
https://tools.oasis-open.org/version-control/browse/wsvn/odata/trunk/spec/ABNF/odata-abnf-testcases.xml?rev=215


> Support Cross-joins
> -------------------
>
>                 Key: ODATA-165
>                 URL: http://tools.oasis-open.org/issues/browse/ODATA-165
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: New Feature
>          Components: OData ABNF Construction Rules, OData URL Conventions 
>    Affects Versions: V4.0_WD01
>         Environment: [Applied]
>            Reporter: Michael Pizzo
>            Assignee: Ralf Handl
>             Fix For: V4.0_CSD02
>
>
> We often have requests to support queries that span entitysets. Where navigation properties exist between the entitysets these provide a natural and convenient mechanism for building queries that span entitysets. However, where navigation properties are not present a way is needed to build such cross-entity spanning queries.
> In the context of looking at aggregation we came up with a solution for doing this by considering the entitycontainer as the cross-product of the contained entitysets. You could then $expand the entitysets you wanted to join, and add a filter to specify the equivalent of the join condition. This seemed generally useful beyond just the scope of aggregation.

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