LazyBinarySerde (and others) don't support unions
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                 Key: HIVE-2390
                 URL: https://issues.apache.org/jira/browse/HIVE-2390
             Project: Hive
          Issue Type: Bug
            Reporter: Jakob Homan


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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