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https://issues.apache.org/jira/browse/DRILL-3565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14643308#comment-14643308
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Andrew commented on DRILL-3565:
-------------------------------
I think the patch linked from DRILL-3458 should resolve this. In my limited
tests the patch works, but I don't have a real data set in front of me at the
moment to put it through the paces.
> Add support for Avro UNION type
> -------------------------------
>
> Key: DRILL-3565
> URL: https://issues.apache.org/jira/browse/DRILL-3565
> Project: Apache Drill
> Issue Type: Improvement
> Components: Storage - Other
> Affects Versions: 1.1.0, 1.2.0
> Reporter: Abhishek Girish
> Assignee: Jacques Nadeau
> Attachments: divolte.avro, drillbit.log.txt
>
>
> Running a simple select * from an avro file fails.
> {code:sql}
> > select count(*) from `divolte.avro`;
> Error: SYSTEM ERROR: UnsupportedOperationException: Unimplemented type: UNION
> Fragment 0:0
> [Error Id: c7c1ed87-cd85-4146-844d-4addc227128b on abhi1:31010]
> (state=,code=0)
> {code}
> Plan:
> {code}
> 00-00 Screen
> 00-01 Project(*=[$0])
> 00-02 Scan(groupscan=[EasyGroupScan
> [selectionRoot=maprfs:/tmp/divolte.avro, numFiles=1, columns=[`*`],
> files=[maprfs:///tmp/divolte.avro]]])
> {code}
> Log & data file attached.
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