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https://issues.apache.org/jira/browse/DRILL-3458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14643302#comment-14643302
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Andrew commented on DRILL-3458:
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I took at look at this patch. I left a few minor comments on review board. It
looks good and the tests pass. I recommend we include this in the next release.
Thanks!
> Avro file format's support for map and nullable union data types.
> -----------------------------------------------------------------
>
> Key: DRILL-3458
> URL: https://issues.apache.org/jira/browse/DRILL-3458
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Other
> Affects Versions: 1.0.0
> Reporter: Bhallamudi Venkata Siva Kamesh
> Assignee: Jacques Nadeau
>
> Avro file format as of now does not support union and map datatypes.
> For union datatypes, like
> [Pig|https://cwiki.apache.org/confluence/display/PIG/AvroStorage] and
> [Hive|https://cwiki.apache.org/confluence/display/Hive/AvroSerDe], I think,
> we can support nullable union like ["null", "some-type"].
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