RE: [odata] Agenda for OData TC meeting on 2017-07-20

[16:43] Room information was updated by: Stefan Hagen

OASIS Open Data Protocol (OData) TC OData TC Weekly Meeting (Conference Call) #182

- Thursday, 20 July 2017, 08:00am to 10:00am PDT

  - i.e. 2017-07-20 17:00 to 19:00 CEST (UTC+2)

  - other timezone? Try eg.:

  - https://www.timeanddate.com/worldclock/meetingdetails.html?year=2017&month=7&day=20&hour=15&min=0&sec=0&p1=47&p2=69&p3=179

UsefulPlaces:

- Chat:

  - http://webconf.soaphub.org/conf/room/odatatc   # ... this place

- ScreenShare and Voice:

  - https://sap.emea.pgiconnect.com/OData-TC/

Next Planned meetings (tentative):

- Thursday August 03, 2017 during 8-10 am PDT (17:00-19:00 CEST)

  - https://www.oasis-open.org/apps/org/workgroup/odata/event.php?event_id=43989

- Thursday August 24, 2017 during 8-10 am PDT (17:00-19:00 CEST)

  - https://www.oasis-open.org/apps/org/workgroup/odata/event.php?event_id=43992

- Thursday August 31, 2017 during 8-10 am PDT (17:00-19:00 CEST)

  - https://www.oasis-open.org/apps/org/workgroup/odata/event.php?event_id=43993

- Thursday September 07, 2017 during 8-10 am PDT?

  - https://www.oasis-open.org/apps/org/workgroup/odata/event.php?event_id=43994

Agenda-Draft E-Mail URL:

- E-Mail Public URL = "" href="https://lists.oasis-open.org/archives/odata/201707/msg00051.html" target="_blank">https://lists.oasis-open.org/archives/odata/201707/msg00051.html

Minutes Draft Public URL (previous meeting):

- URL = "" href="https://www.oasis-open.org/committees/download.php/61188/odata-meeting-181_on-20170713-minutes.html" target="_blank">https://www.oasis-open.org/committees/download.php/61188/odata-meeting-181_on-20170713-minutes.html

Online document walkthroughs or presentations:

- URL = "" href="https://sap.emea.pgiconnect.com/OData-TC/" target="_blank">https://sap.emea.pgiconnect.com/OData-TC/

Timeline:

- URL = "" href="https://www.oasis-open.org/committees/download.php/59862/TC%20Timeline-2017-01-25.docx" target="_blank">https://www.oasis-open.org/committees/download.php/59862/TC%20Timeline-2017-01-25.docx

Agenda Draft (for meeting #182):

==============================================================

1.  Roll call

  1.1 Self-registration link: https://www.oasis-open.org/apps/org/workgroup/odata/event.php?event_id=43987

2.  Approve agenda

3.  Approve minutes from previous meeting(s)

  3.1 Minutes from July 13, 2017 TC meeting: https://www.oasis-open.org/committees/download.php/61188/odata-meeting-181_on-20170713-minutes.html

4. Review action items [Action item list: https://www.oasis-open.org/apps/org/workgroup/odata/members/action_items.php]

  4.1 Action items due

    None

5. Version 4.01 Public Review

  5.1 05 July 2017 to 03 August 2017 - Issues

    5.1.1 ODATA-1091 Special values of numeric types (public comment c201707e0002)

6. Issues

  6.1 Vocabularies: NEW or OPEN

    6.1.1 ODATA-1069 New term Capabiliies.OperationAvailable

    6.1.2 ODATA-1067 Consider ability to define computed default values

    6.1.3 ODATA-1064 Add ability to annotate collections to return only count and NextLink

    6.1.4 ODATA-1055 DeepInsertSupport: allow applying to entity sets

    6.1.5 ODATA-1005 Make sure we have capabilities for all new 4.01 functionality

    6.1.6 ODATA-884 Add term ErrorCodes to describe possible codes in error messages (public comment c201510e00019)

7. Next meetings

  7.1 One-week break end of July

  7.2 Thursday August 03, 2017 during 8-10 am PDT

  7.3 Two-week break mid of August, then back to weekly schedule

  7.4 Thursday August 24, 2017 during 8-10 am PDT

  7.5 Thursday August 31, 2017 during 8-10 am PDT

  7.6 Thursday September 07, 2017 during 8-10 am PDT

8. AOB and wrap up

==============================================================

Meeting Member URL:

- URL = "" href="https://www.oasis-open.org/apps/org/workgroup/odata/event.php?event_id=43987" target="_blank">https://www.oasis-open.org/apps/org/workgroup/odata/event.php?event_id=43987

  - Please use starting approx. 15 minutes before the meeting for self registration. Thanks.

  - Self registration deep link (as a service):

    - https://www.oasis-open.org/apps/org/workgroup/odata/record_my_attendance.php?event_id=43987&confirmed=1

[16:43] Stefan Hagen: RegInfo:{Voting Members: 1 of 12 (8%) (used for quorum calculation)}

[16:57] Stefan Hagen: RegInfo:{Voting Members: 2 of 12 (16%) (used for quorum calculation)}

[17:00] anonymous morphed into George Ericson (Dell)

[17:01] Stefan Hagen: RegInfo:{Voting Members: 4 of 12 (33%) (used for quorum calculation)}

[17:02] Stefan Hagen: @Ralf, George: I registered your attendance

[17:02] Stefan Hagen: @Hubert: Also yours ...

[17:02] Michael Pizzo: Ralf, did we lose you?

[17:02] Stefan Hagen: RegInfo:{Voting Members: 5 of 12 (41%) (used for quorum calculation)}

[17:03] Stefan Hagen: Still 2 voting members missing for quorum ...

[17:06] Ralf Handl (SAP SE): Voting Members: 7 of 12 (58%) (used for quorum calculation)

[17:06] Ralf Handl (SAP SE): Achieved quorum: yes

[17:06] Ralf Handl (SAP SE): 2.Approve agenda [8:05 am PT]

[17:06] Ralf Handl (SAP SE): Agenda is approved

[17:07] Ralf Handl (SAP SE): 3.Approve minutes from previous meeting(s) [8:10 am PT]

a.Minutes from July 13, 2017 TC meeting: https://www.oasis-open.org/committees/download.php/61188/odata-meeting-181_on-20170713-minutes.html

[17:08] Ralf Handl (SAP SE): Minutes are approved

[17:08] Ralf Handl (SAP SE): 4.Review action items [Action item list: https://www.oasis-open.org/apps/org/workgroup/odata/members/action_items.php] [8:15am PT]

a.Action items due

i.None

[17:08] Ralf Handl (SAP SE): 5.Version 4.01 Public Review - 05 July 2017 to 03 August 2017

a.Issues

i.ODATA-1091 Special values of numeric types (public comment c201707e0002)

[17:09] Ralf Handl (SAP SE): 1) Restrict the 'special' numeric values to types Single, Double, and Decimal (scale=floating)

2) keep 4.0 behavior for div operator - fail for division by zero for dividends other than Single, Double, and Decimal(Scale=floating)

3) support fail-safe division by zero (resulting in -INF, INF, or null) for all numeric types only in the new divby operator

[17:10] Hubert Heijkers (IBM): I more to resolve ODATA-1091 as proposed.

[17:10] Martin Zurmuehl (SAP SE): I second

[17:10] George Ericson (Dell): George Moves/Seconds

[17:10] Ralf Handl (SAP SE): ODATA-1091 is RESOLVED as proposed

[17:11] Ralf Handl (SAP SE): 6.Issues [8:20 am PT]

a.Vocabularies: NEW or OPEN

i.ODATA-1069 New term Capabiliies.OperationAvailable

[17:11] Ralf Handl (SAP SE): Description:

Availability of actions and functions can be advertised in response payloads using special name-value pairs starting with a # character.

Define a new term that allows to express availability of an action or function statically, with reference to "global" data, e.g. from a singleton, or with reference to data of the binding parameter.

[17:11] Ralf Handl (SAP SE): Proposal:

      <Term Name="OperationAvailable" Type="Edm.Boolean" DefaultValue="true" AppliesTo="Action Function">

        <Annotation Term="Core.Description" String="Action or function is available" />

      </Term>

[17:12] Ralf Handl (SAP SE): Comments:

Term name: alternative name "OperationAllowed"

Vocabulary: "Common" instead of "Capabilities"

[17:12] Ralf Handl (SAP SE): "Core", not "Common"

[17:22] Michael Pizzo: <Annotation Term="Capabilties.OperationAvailable">

<Ne>

<Path>bindingParam/OrderStatus</Path>

<String>SHIPPED</String>

</Ne>

</Annotation>

[17:24] Michael Pizzo: "#myns.Operation":null

[17:28] Michael Pizzo: Example of applying the annotation in-line:

<Function Name="CancelOrder">

  <Parameter Name="bindingParam" Type="Store.Order">

  <Annotation Term="Capabilties.OperationAvailable">

    <Ne>

      <Path>bindingParam/OrderStatus</Path>

      <String>SHIPPED</String>

    </Ne>

  < /Annotation>

</Function>

[17:30] Michael Pizzo: Alternatively, somebody could define the CancelOrder operation without the annotation:

<Function Name="CancelOrder">

  <Parameter Name="bindingParam" Type="Store.Order"/>

</Function>

[17:30] George Ericson (Dell): I'm OK with the functionality proposed.  A white paper would be a good thing.  The implementation requirements resulting from utilization are complex.

[17:30] Michael Pizzo: And in the same, or a different metadata document, you could annotate it:

<Annotations Target="Store.CancelOrder">

  <Annotation Term="Capabilties.OperationAvailable">

    <Ne>

      <Path>bindingParam/OrderStatus</Path>

      <String>SHIPPED</String>

    </Ne>

  < /Annotation>

</Annotation>

[17:32] Michael Pizzo: (sorry, action would have been a better choice than function for those examples, as "CancelOrder" implies changing state)

[17:44] George Ericson (Dell): I like OperationCondition

[17:45] George Ericson (Dell): I move 1069 with modification to OperationCondition.

[17:49] George Ericson (Dell): OK with OperationAvailable.

[17:56] George Ericson (Dell): ok with either Core or Capabilities.  Note, not clear that we should have both namespaces.  The usage difference is too subtle.

[18:01] Mark Biamonte (Progress): I am leaning towards Core

[18:11] George Ericson (Dell): I move 1069 but in core.

[18:11] Hubert Heijkers (IBM): I second

[18:11] Mark Biamonte (Progress): I second

[18:12] Ralf Handl (SAP SE): ii.ODATA-1067 Consider ability to define computed default values

[18:13] Ralf Handl (SAP SE): Description

Currently, default values for properties and (now, as of ODATA-1066) parameters are static values.

There are some cases where the default value may be the result of a calculation. Examples:

1) The value of a related property/parameter

2) An _expression_ based on the value of one (or more) related properties/parameters

3) The result of invoking a function(import) on the service (with params?)

Issues:

-how to express the value of the defaultvalue (use Edm.Untyped? -- this could only be supported in 4.01)

-what is the syntax of the _expression_?

-can it invoke a funciton(import) and, if so, how are parameters passed?

For parameters, could define a derived OptionalParameterType that has a DefaultValueExpression that is Edm.Untyped and only returned as that derived type in a 4.01 payload.

[18:20] Ralf Handl (SAP SE): SAP has use cases for such an annotation, and we already invented something similar: https://wiki.scn.sap.com/wiki/display/EmTech/OData+4.0+Vocabularies+-+SAP+Common#DerivedDefaultValue

[18:24] Ralf Handl (SAP SE): ODATA-1067 is OPEN

[18:24] Ralf Handl (SAP SE): iii.ODATA-1064 Add ability to annotate collections to return only count and NextLink

[18:41] Ralf Handl (SAP SE): https://github.com/oasis-tcs/odata-vocabularies/blob/master/vocabularies/Org.OData.Core.V1.md#AutoExpand

[18:55] Ralf Handl (SAP SE): ODATA-1064 is OPEN

[18:57] Ralf Handl (SAP SE): Mike to follow up with George to check whether issues mentioned in description are addressed by proposal

[18:58] Ralf Handl (SAP SE): 7.Next meetings [9:50 am PT]

One-week break end of July

a.Thursday August 03, 2017 during 8-10 am PDT

Two-week break mid of August, then back to weekly schedule

b.Thursday August 24, 2017 during 8-10 am PDT

c.Thursday August 31, 2017 during 8-10 am PDT

d.Thursday September 07, 2017 during 8-10 am PDT

[18:59] Ralf Handl (SAP SE): 8.AOB and wrap up [9:55 am PT]

[18:59] Ralf Handl (SAP SE): Meeting is adjourned

From: odata@lists.oasis-open.org [mailto:odata@lists.oasis-open.org] On Behalf Of Handl, Ralf
Sent: Mittwoch, 19. Juli 2017 11:23
To: odata@lists.oasis-open.org
Subject: [odata] Agenda for OData TC meeting on 2017-07-20

Here [1] is a draft agenda for the OData TC (Technical Committee) meeting scheduled on Thursday July 20, 2017 during 8-10 am PDT (17:00-19:00 CEST). For additional information, such as dial-in details and chat room, refer to [2]. For TC timeline, see [3]. Feel free to suggest additions or modifications.

Thanks.

[1] Agenda

1. Roll call [8:00 am PT]

a. Self-registration link: https://www.oasis-open.org/apps/org/workgroup/odata/event.php?event_id=43987

2. Approve agenda [8:05 am PT]

3. Approve minutes from previous meeting(s) [8:10 am PT]

a. Minutes from July 13, 2017 TC meeting: https://www.oasis-open.org/committees/download.php/61188/odata-meeting-181_on-20170713-minutes.html

4. Review action items [Action item list: https://www.oasis-open.org/apps/org/workgroup/odata/members/action_items.php] [8:15am PT]

a. Action items due

i. None

5. Version 4.01 Public Review - 05 July 2017 to 03 August 2017

a. Issues