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https://issues.apache.org/jira/browse/HIVE-2390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13758922#comment-13758922
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Navis commented on HIVE-2390:
-----------------------------
HIVE-4765 included LazyBinaryUnion type. Could you check that?
> Expand support for union types
> ------------------------------
>
> Key: HIVE-2390
> URL: https://issues.apache.org/jira/browse/HIVE-2390
> Project: Hive
> Issue Type: Bug
> Reporter: Jakob Homan
> Assignee: Mohammad Kamrul Islam
> Labels: uniontype
>
> When the union type was introduced, full support for it wasn't provided. For
> instance, when working with a union that gets passed to LazyBinarySerde:
> {noformat}Caused by: java.lang.RuntimeException: Unrecognized type: UNION
> at
> org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe.serialize(LazyBinarySerDe.java:468)
> at
> org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe.serializeStruct(LazyBinarySerDe.java:230)
> at
> org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe.serialize(LazyBinarySerDe.java:184)
> {noformat}
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