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https://issues.apache.org/jira/browse/AVRO-1954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15792686#comment-15792686
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ASF GitHub Bot commented on AVRO-1954:
--------------------------------------
GitHub user nandorKollar opened a pull request:
https://github.com/apache/avro/pull/180
AVRO-1954 - Schema.Field.defaultVal() generates: Unknown datum type
org.apache.avro.JsonProperties$Null
Added the test cases in the patch attached to AVRO-1954 Jira to
TestGenericDatumWriter (since the issue is related to GenericDatumWriter), and
modified GenericData to map JsonProperties.NULL_VALUE to Type.NULL
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/nandorKollar/avro AVRO-1954
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/avro/pull/180.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #180
----
commit 25635e1fdd66d7275abe7e65e288f3c4ee078d97
Author: Nandor Kollar <[email protected]>
Date: 2017-01-02T11:00:34Z
AVRO-1954 - Schema.Field.defaultVal() generates: Unknown datum type
org.apache.avro.JsonProperties$Null
----
> Schema.Field.defaultVal() generates: Unknown datum type
> org.apache.avro.JsonProperties$Null
> -------------------------------------------------------------------------------------------
>
> Key: AVRO-1954
> URL: https://issues.apache.org/jira/browse/AVRO-1954
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.8.1, 1.9.0
> Reporter: rui miranda
> Assignee: Nandor Kollar
> Priority: Minor
> Attachments: unitTestDefaultNull.patch
>
>
> I was creating GenericRecords and populating some fields -- which i could not
> find the content on some json files -- with the Schema.Field.defaultVal().
> It seems if the schema has explicitly set the default value to be null, the
> records generated this way can't be written. In this case, if default value
> is null in the schema, an instance of
> org.apache.avro.JsonProperties.NULL_VALUE is returned by
> Schema.Field.defaultVal().
> I created an unit test which replicates the bug. I was thinking modify the
> class org.apache.avro.generic.GenericData to evaluate
> org.apache.avro.JsonProperties.NULL_VALUE as null. Is this the way to go? or
> org.apache.avro.JsonProperties.NULL_VALUE is intend for other purposes?
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