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Subject: Agenda for OData TC meeting on 2024-01-10

Here [1] is a draft agenda for the OData TC (Technical Committee) meeting scheduled on Wednesday January 10, 2023 during 8-10 am PST (17:00-19:00 CET).

 

For TC timeline, see [2].

 

Feel free to suggest additions or modifications.

Thanks.

 

 

[1] Agenda

  1. Roll call [8:00]

    1. Self-registration link: https://www.oasis-open.org/apps/org/workgroup/odata/event.php?event_id=54348
    2. Join Microsoft Teams Meeting

      Conference ID: 629 315 222#

      Local numbers | Learn more about Teams | Meeting options


  2. Approve agenda [8:05]

  3. Approve minutes from previous meeting(s) [8:10]
    1. Minutes from December 06, 2023 TC meeting: https://www.oasis-open.org/committees/download.php/71564/Minutes%20of%202023-12-06%20Meeting%20%23456.docx 

  4. TC Timeline Proposal 8:15]
    1. https://www.oasis-open.org/committees/download.php/71566/TC-Timeline-2023-12-06.docx

  5. Review action items [8:25]
    1. Upcoming
      1. #0039 Concept for Compact JSON data format – Hubert Heijkers – 2024-05-03
      2. #0037 Concept for binary data format – Hubert Heijkers – 2024-05-03

  6. RAPID Profile for OData [8:30]
    1. Pull Requests

  7. Issues [8:35]
    1. V4.02 and V4.01 Errata 01: RESOLVED
      1. ODATA-1133 Part 1 protocol clause 1.3 Entity is unclear on template usage
      2. ODATA-1354 Add support for SoundsLike expressions
      3. ODATA-1426 Clarify use of byte-order mark (BOM) in text/plain responses
      4. ODATA-1436 Relax constraint that DELETE Cannot return data
      5. ODATA-1484 Allow a client to query the status of an asynchronous request without returning the result if the request completed.
      6. ODATA-1516 Support returning inline count accuracy
      7. ODATA-1526 Support collapsing individual sections (chapters) in the HTML versions of the specification
      8. ODATA-1528 Update JSON Delta Response payload examples
      9. ODATA-1547 Recursive complex types must be nullable
      10. ODATA-1549 Clarify semantics of etag in delta requests/responses
      11. ODATA-1567 Clarify “Expand to the level present in the deep insert request”
      12. ODATA-1580 Further clarify restrictions around open types
      13. ODATA-1599 Clarify support for supplementary plane characters in OData Identifiers

    2. V4.02 and V4.01 Errata 01: APPLIED
      1. ODATA-1323 Clarify representation of GEO literals and streams in annotations (XML, JSON)
      2. ODATA-1470 Clarify value of @odata.mediaContentType if stream is null
      3. ODATA-1481 Allow Edm.Stream for non-binding action and function parameters
      4. ODATA-1571 Allow empty entity containers
      5. ODATA-1588 Allow creating and linking along a nullable single-valued navigation
      6. ODATA-1617 Is ODATA-1472 an erratum or a new feature?

    3. V4.01 Errata: NEW or OPEN
      1. ODATA-1370 CSDL Section 12.9 “Parameter” mixing with “overload” causes ambiguity, particularly with regard to parameter ordering
      2. ODATA-1424 OData 4.01 JSON “Delta Responses” doesn’t describe use of “@id” (or “@odata.id”) for Added/Changed Entity
      3. ODATA-1496 clarify the relationship of the various path _expression_ types
      4. ODATA-1558 Define semantics for navigation properties of type Edm.EntityType
      5. ODATA-1559 Clarify definition of transient.
      6. ODATA-1560 Clarify usage of URL templates with callback preference
      7. ODATA-1573 clarify behavior for omitted values in PATCH and PUT
      8. ODATA-1603 It is not clear if the entities in a collection returned by a function always have an entity-id
      9. ODATA-1610 Clarify use of ‘wait’ preference without ‘respond-async’ preference

    4. V4.02: NEW or OPEN with champion and proposal
      1. ODATA-730 Lack of ordering constraints on delta responses may require clients to buffer (or persist) entire response to process it correctly
      2. ODATA-879 Support Arrays of Arrays
      3. ODATA-919 Specify the result type for each operation based on operator types
      4. ODATA-923 Support subsetting returned metadata
      5. ODATA-1059 Improve specification and use of NavigationProperties, EntitySets, and Singletons
      6. ODATA-1060 Improve specification of element response requirements
      7. ODATA-1071 Nullable Collection Navigation Property
      8. ODATA-1113 Allow alternate / native search syntax
      9. ODATA-1239 Define a mechanism to distinguish between inserted and updated entities in a Delta message
      10. ODATA-1253 Abstract type definition Core.Number as a super-type of all numeric types
      11. ODATA-1336 Querying “JSON properties”
      12. ODATA-1340 PATCH: new preference return=delta to get back a delta response
      13. ODATA-1405 /$query shall allow Content-Type: application/x-www-form-urlencoded
      14. ODATA-1407 No way to $select instance annotations on primitive types
      15. ODATA-1435 Conditionally add an element to a collection
      16. ODATA-1457 Potential confusion wrt Content-Type header for media entities
      17. ODATA-1506 Allow index segments in path expressions
      18. ODATA-1534 OData 4.01 JSON batch format doesn’t support streaming use cases well
      19. ODATA-1540 Require decoding of plus as space in query part of URL
      20. ODATA-1544 Section 4.17: support new HTTP QUERY method, deprecate /$query path suffix
      21. ODATA-1545 Allow services to validate read-only properties in update payloads
      22. ODATA-1548 Encourage clients to specify the correct value for non-key, non-computed read-only values (or omit)
      23. ODATA-1569 Allow CSDL JSON also for OData versions 2.0 and 3.0
      24. ODATA-1575 Remove restriction on Partner navigation
      25. ODATA-1583 Clarify representation of context URLs in JSON payloads
      26. ODATA-1585 Should be able to change type when PATCHing an entity
      27. ODATA-1586 Clarify create/replace for server-defined dynamic properties
      28. ODATA-1589 /$query shall allow Content-Type: application/json
      29. ODATA-1590 Clarify where alternate keys can be used
      30. ODATA-1594 Add support for fuzzy search function within $filter, etc.
      31. ODATA-1596 Allow Scale=“floating” also in 4.0 responses
      32. ODATA-1597 Allow to create annotations in CSDL with a less verbose format to increase adoption
      33. ODATA-1601 concat: allow more than two arguments
      34. ODATA-1616 Clarify rules around results returned from Create/Update
      35. ODATA-1618 Clarify matchespattern and regular _expression_ flags
      36. ODATA-1621 Clarify annotations on unavailable properties
      37. ODATA-1623 Support alternate keys in delta patch

    5. V4.02: NEW or OPEN without champion or proposal
      1. ODATA-579 Should we support dynamic functions/actions?
      2. ODATA-601 Investigate enhancements to interoperability and feature set of OData JSON through JSON-LD
      3. ODATA-665 Add OData-MetadataETag header
      4. ODATA-854 Consider use of OPTIONS for discovering formats, other capabilities and features
      5. ODATA-900 Cross-service navigation and service versioning
      6. ODATA-1052 Consider the “fragility” of server-driven paging
      7. ODATA-1062 Revise UML model for OData Metamodel
      8. ODATA-1070 Clarify text related to Canonical URL
      9. ODATA-1107 Introduce instance annotation to specify which types an instance “implements”
      10. ODATA-1235 ActionImport and FunctionImport on EntityType
      11. ODATA-1246 Allow BaseType of EntityType to be a ComplexType
      12. ODATA-1261 Allow $pagesize system query option
      13. ODATA-1262 Explicitly state structural restrictions of type Edm.Untyped
      14. ODATA-1308 Ability to reference newly discovered OData services
      15. ODATA-1317 ContextUrl does not represent navigation properties for which the entity references ($ref) are included
      16. ODATA-1333 Add Terms, Abbreviated Terms, and Symbols sections to specifications
      17. ODATA-1350 OData V2 required continue-on-error style batch responses, V4 makes it optional for servers (due to use of Prefer)
      18. ODATA-1379 Consider adding railroad diagrams for the URL syntax
      19. ODATA-1386 Introduce primitive types for color values
      20. ODATA-1438 New preference return=keys
      21. ODATA-1441 New query option $expect combining $expand and $select
      22. ODATA-1479 Current instance/collection is only defined adhoc
      23. ODATA-1504 Dry-run of data modification requests
      24. ODATA-1505 Expressions in action payloads
      25. ODATA-1514 Generalize the use of $each
      26. ODATA-1527 Allow functions/actions to return (and take) a delta payload
      27. ODATA-1529 Provide support for selecting the id of an entity
      28. ODATA-1535 Should updates of related resources be supported in Create?
      29. ODATA-1574 Expand function results
      30. ODATA-1579 Allow references to Core.ContentIDs in batch request URLs
      31. ODATA-1606 Separation of concerns: ABNF for URL components instead of whole URLs
      32. ODATA-1608 Safety, Security and Privacy Considerations: fill out or remove appendix
      33. ODATA-1614 Add NonSelectableProperties to SelectSupportType

    6. Data Aggregation: NEW or OPEN
      1. ODATA-1492 Temporal transformation at() for snapshot entity sets

    7. Temporal: NEW or OPEN
      1. ODATA-1542 Chapter 3, example 7 still uses TimeSliceStart and TimeSliceEnd
      2. ODATA-1551 4.3.2.3 Delete during a Period, step 3: align with corresponding step of 4.3.2.1, step 3
      3. ODATA-1615 4.3.2.3 Delete during a Period: add example

    8. Vocabularies: NEW or OPEN with proposal
      1. ODATA-1140 Add details to HttpResponse
      2. ODATA-1214 Annotate constructor/factory actions
      3. ODATA-1358 Detach textual descriptions from operation restriction terms in Capability vocabulary
      4. ODATA-1394 Add full-fledged support for ISO 8601-1 duration
      5. ODATA-1412 Capabilities vocabulary: Add EntityContainer as annotation target
      6. ODATA-1453 Capabilities.SearchRestrictions/UnsupportedExpressions: description of default value “none” is misleading
      7. ODATA-1467 Keep a CHANGELOG.md, use Semantic Versioning for each vocabulary
      8. ODATA-1550 Clarify whether Validation.AllowedValues can be applied to collection-valued properties
      9. ODATA-1600 Functions and Actions as Interfaces

    9. Vocabularies: NEW or OPEN without proposal
      1. ODATA-1480 Missing term property Capabilities.NavigationRestrictions/…/ComputeSupported
      2. ODATA-1499 Clarify how to allow/disallow an unbound function in filter/orderby
      3. ODATA-1502 Allow to specify expand query options beyond just nested expands (filter, select, …)
      4. ODATA-1512 Delta: distinguish “soft-deleted” and “hard-deleted” entities
      5. ODATA-1513 Clarify use of read/update restrictions for complex types
      6. ODATA-1611 Clarify where RequiredProperties have to appear
      7. ODATA-1612 Capabilities for creating a relation to an existing entity during insert
      8. ODATA-1613 Validation.Minimum, Validation.Maximum: clarify possible data types

  8. Next meetings [9:50]
    1. Wednesday January 17, 2024 during 8-10 PST (17:00-19:00 CET)
    2. Wednesday January 24, 2024 during 8-10 PST (17:00-19:00 CET)
    3. Wednesday January 31, 2024 during 8-10 PST (17:00-19:00 CET)
    4. Wednesday February 07, 2024 during 8-10 PST (17:00-19:00 CET)

  9. AOB and wrap up [9:55]

[2] Timeline
  1. https://www.oasis-open.org/committees/download.php/71007/TC-Timeline-2023-05-10.docx


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