Anthony Hsu created HIVE-17530:
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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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