[ODATA-375] Allow querying collections of complex type instances similar to querying collections of entities - OASIS Technical Committees Issue Tracker

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Type: Improvement
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: V4.0_CSD01
Fix Version/s: V4.0_CSD02
Component/s: URL Conventions
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Environment:

[Applied]

Proposal:

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Change second and third paragraph of 5.1 System Query Options to:

Resource paths identifying a single entity or complex type instance or a collection of entities or complex type instances allow $expand and $select.

Resource paths identifying a collection of entities or complex type instances allow $filter, $count, $orderby, $skip, and $top.

Accepted: https://www.oasis-open.org/committees/download.php/49125/odata-meeting-36_on-20130509-minutes.html#odata-375

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Change second and third paragraph of 5.1 System Query Options to: Resource paths identifying a single entity or complex type instance or a collection of entities or complex type instances allow $expand and $select. Resource paths identifying a collection of entities or complex type instances allow $filter, $count, $orderby, $skip, and $top. Accepted: https://www.oasis-open.org/committees/download.php/49125/odata-meeting-36_on-20130509-minutes.html#odata-375
Resolution:

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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

Accepted: https://www.oasis-open.org/committees/download.php/49557/odata-meeting-41_on-20130613_14-F2F-minutes.html#odata-375

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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 Accepted: https://www.oasis-open.org/committees/download.php/49557/odata-meeting-41_on-20130613_14-F2F-minutes.html#odata-375

Description

We've add navigation properties to complex types with ~~ODATA-244~~ and made them into kind of "keyless entities", but still restrict most system query options to resource paths identifying entitites or collections of entities.

Why not treat them similarly with respect to $expand, $select, $filter, $count, $orderby, $skip and $top?

This would also simplify application of ~~ODATA-165~~ as it obviates the need of introducing "keyless entities" as the result type of queries targeting the entity containers. Complex type instances would be more natural there.

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Assignee:

Ralf Handl

Reporter:

Ralf Handl

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Dates

Created:

07/May/13 7:56 AM

Updated:

07/Aug/15 12:52 PM

Resolved:

17/Jun/13 4:52 AM