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From "Wenchen Fan (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-19459) ORC tables cannot be read when they contain char/varchar columns
Date Fri, 10 Feb 2017 19:08:41 GMT

     [ https://issues.apache.org/jira/browse/SPARK-19459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wenchen Fan resolved SPARK-19459.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.2.0

> ORC tables cannot be read when they contain char/varchar columns
> ----------------------------------------------------------------
>
>                 Key: SPARK-19459
>                 URL: https://issues.apache.org/jira/browse/SPARK-19459
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.2, 2.1.0
>            Reporter: Herman van Hovell
>            Assignee: Herman van Hovell
>             Fix For: 2.2.0
>
>
> Reading from an ORC table which contains char/varchar columns can fail if the table has
been created using Spark. This is caused by the fact that spark internally replaces char and
varchar columns with a string column, this causes the ORC reader to use the wrong reader,
and that eventually causes a ClassCastException.



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