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Subject: [OASIS Issue Tracker] Updated: (ODATA-349) CSDL for Collection types is not clear on nullability of elements
[ http://tools.oasis-open.org/issues/browse/ODATA-349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stefan Drees updated ODATA-349:
-------------------------------
Resolution:
Accepted: https://www.oasis-open.org/committees/download.php/49026/odata-meeting-34_on-20130425_26-F2F-minutes.html#odata-349
> CSDL for Collection types is not clear on nullability of elements
> -----------------------------------------------------------------
>
> Key: ODATA-349
> URL: http://tools.oasis-open.org/issues/browse/ODATA-349
> Project: OASIS Open Data Protocol (OData) TC
> Issue Type: Improvement
> Components: OData CSDL
> Affects Versions: V4.0_WD01
> Environment: [Closed]
> Reporter: Evan Ireland
> Fix For: V4.0_WD01
>
>
> The CSDL spec for edm.CollectionType states:
> "The collection type can define relevant facets for scalar types."
> but does not specify what the relevant facets are. Also, it implies that a collection of collections cannot define facets (e.g. Nullable) for the element collections.
> Also note thet edm.TypeDefinition does not permit the use of the Nullable facet, so an element type defined by a TypeDefinition cannot help resolve the issue.
> So some definite questions:
> (1) Does an ordinary Collection type (e.g. "Collection(T)" or "TCollection" where TCollection is defined by a CollectionType without the use of facets) permit null element values?
> (2) Can an edm.CollectionType use the Nullable facet for scalar elements?
> (3) Can an edm.CollectionType use the Nullable facet for non-scalar elements? (It seems the answer is no).
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