[jira] [Created] (HIVE-17530) ClassCastException when converting uniontype

["Anthony Hsu (JIRA)" <ji...@apache.org>]

Anthony Hsu created HIVE-17530:
----------------------------------

             Summary: ClassCastException when converting uniontype
                 Key: HIVE-17530
                 URL: https://issues.apache.org/jira/browse/HIVE-17530
             Project: Hive
          Issue Type: Bug
    Affects Versions: 1.1.0, 3.0.0
            Reporter: Anthony Hsu
            Assignee: Anthony Hsu


To repro:
{noformat}
SET hive.exec.schema.evolution = false;

CREATE TABLE avro_orc_partitioned_uniontype (a uniontype<boolean, string>) PARTITIONED BY (b int) STORED AS ORC;

INSERT INTO avro_orc_partitioned_uniontype PARTITION (b=1) SELECT create_union(1, true, value) FROM src LIMIT 5;

ALTER TABLE avro_orc_partitioned_uniontype SET FILEFORMAT AVRO;

SELECT * FROM avro_orc_partitioned_uniontype;
{noformat}

The exception you get is:
{code}
java.io.IOException:org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ClassCastException: java.util.ArrayList cannot be cast to org.apache.hadoop.hive.serde2.objectinspector.UnionObject
{code}



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