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From "Szehon Ho (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-6575) select * fails on parquet table with map datatype
Date Fri, 07 Mar 2014 01:28:43 GMT

     [ https://issues.apache.org/jira/browse/HIVE-6575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Szehon Ho updated HIVE-6575:
----------------------------

    Description: 
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.

  was:
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.

       Priority: Critical  (was: Major)
         Labels: parquet  (was: )

> 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
>            Priority: Critical
>              Labels: parquet
>
> 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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