[jira] [Assigned] (AVRO-3257) IDL: add syntax to create optional fields

["Oscar Westra van Holthe - Kind (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AVRO-3257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Oscar Westra van Holthe - Kind reassigned AVRO-3257:
----------------------------------------------------

    Assignee: Oscar Westra van Holthe - Kind

> IDL: add syntax to create optional fields
> -----------------------------------------
>
>                 Key: AVRO-3257
>                 URL: https://issues.apache.org/jira/browse/AVRO-3257
>             Project: Apache Avro
>          Issue Type: Improvement
>            Reporter: Oscar Westra van Holthe - Kind
>            Assignee: Oscar Westra van Holthe - Kind
>            Priority: Minor
>              Labels: javacc
>
> To define optional values, Avro has the "union with the null type" construction.
> In IDL, this is a rather verbose construct:
> {code}
> union {null, string} optionalName = null;
> {code}
> Wish: add Kotlin style optional types like this:
> {code}
> string? optionalName = null;
> {code}
> The resulting schema should be identical; it's only a syntax change.
> Note: it would be nice (but not required) if the syntax would also work if the default value is not null:
> {code}
> string? optionalName = "Jane Doe";
> {code}



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