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  1. OASIS Open Data Protocol (OData) TC
  2. ODATA-1111

Structural properties: default for $Nullable is false in CSDL JSON

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: V4.01_CSD01
    • Fix Version/s: V4.01_CSD02
    • Component/s: CSDL JSON
    • Labels:
      None
    • Proposal:
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      Simplify the handling of null values in JSON by making $Nullable false the default value for all usages in JSON CSDL. Additionally, we clarify the meaning of $Nullable = true for a collection (that it allows null values within the collection) and disallow $Nullable=true for collection-valued navigation properties.

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      Simplify the handling of null values in JSON by making $Nullable false the default value for all usages in JSON CSDL. Additionally, we clarify the meaning of $Nullable = true for a collection (that it allows null values within the collection) and disallow $Nullable=true for collection-valued navigation properties.
    • Resolution:
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      https://www.oasis-open.org/committees/download.php/61609/odata-csdl-json-v4.01-wd02-2017-09-21.docx

      Description

      Section 7.2.1 incorrectly states that an omitted $Nullable member means "false". This is contrary to its CSDL XML default as well as the default for $Nullable for parameters, return types, and navigation properties.

      http://docs.oasis-open.org/odata/odata-csdl-json/v4.01/csprd01/odata-csdl-json-v4.01-csprd01.html#sec_Nullable

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            • Assignee:
              Unassigned
              Reporter:
              handl Ralf Handl
            • Watchers:
              2 Start watching this issue

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              • Created:
                Updated:
                Resolved: