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From "Harish Butani (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6575) select * fails on parquet table with map datatype
Date Thu, 13 Mar 2014 00:53:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13932721#comment-13932721
] 

Harish Butani commented on HIVE-6575:
-------------------------------------

committed to 0.13.0 branch

> select * fails on parquet table with map datatype
> -------------------------------------------------
>
>                 Key: HIVE-6575
>                 URL: https://issues.apache.org/jira/browse/HIVE-6575
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>    Affects Versions: 0.13.0
>            Reporter: Szehon Ho
>            Assignee: Szehon Ho
>              Labels: parquet
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6575.2.patch, HIVE-6575.3.patch, HIVE-6575.patch
>
>
> Create parquet table with map and run select * from parquet_table, returns following
exception:
> {noformat}
>  FAILED: RuntimeException java.lang.ClassCastException: org.apache.hadoop.hive.ql.io.parquet.serde.DeepParquetHiveMapInspector
cannot be cast to org.apache.hadoop.hive.ql.io.parquet.serde.StandardParquetHiveMapInspector
> {noformat}
> However select <mapcol> from parquet_table seems to work, and thus joins will work.



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