[jira] [Commented] (AVRO-2368) Provide way to distinguish whether a Schema.Field has a default value or its default is null

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AVRO-2368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16810784#comment-16810784 ] 

ASF subversion and git services commented on AVRO-2368:
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Commit 1c679b12bab24c315a3547efa0aee1fd7838bbba in avro's branch refs/heads/master from Daniel Kulp
[ https://gitbox.apache.org/repos/asf?p=avro.git;h=1c679b1 ]

[AVRO-2368] Provide a Field.hasDefaultValue() method to determine if a default value it set or not


> Provide way to distinguish whether a Schema.Field has a default value or its default is null
> --------------------------------------------------------------------------------------------
>
>                 Key: AVRO-2368
>                 URL: https://issues.apache.org/jira/browse/AVRO-2368
>             Project: Apache Avro
>          Issue Type: Task
>          Components: java
>            Reporter: Ivan Greene
>            Priority: Blocker
>             Fix For: 1.9.0
>
>
> After making {{Schema.Field#defaultValue}} package private, there is no way to distinguish whether a Field has a default value of 'null' or has no default at all. This is a breaking change, notably affecting Hortonworks Schema Registry. See discussion here: [https://github.com/hortonworks/registry/pull/547]
> I propose we should make that method public and still deprecated. Otherwise I don't see a clear way to release a version of the Hortonworks registry that will be compatible with both Avro 1.8.x and 1.9.0.



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