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From "Anthony Hsu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-17530) ClassCastException when converting uniontype
Date Thu, 14 Sep 2017 02:21:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-17530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anthony Hsu updated HIVE-17530:
-------------------------------
    Status: Patch Available  (was: Open)

Attached patch. Also posted RB: https://reviews.apache.org/r/62321/

> 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
>         Attachments: HIVE-17530.1.patch
>
>
> 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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