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Posted to dev@orc.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2019/08/02 22:40:00 UTC

[jira] [Created] (ORC-540) PPD: Positional lookups for columns with Options.forcePositionalEvolution(true)

Gopal V created ORC-540:
---------------------------

             Summary: PPD: Positional lookups for columns with Options.forcePositionalEvolution(true)
                 Key: ORC-540
                 URL: https://issues.apache.org/jira/browse/ORC-540
             Project: ORC
          Issue Type: Bug
          Components: Java
    Affects Versions: 1.5.6, 1.6.0
            Reporter: Gopal V


When migrating a file written by pre-tlp ORC (before HIVE-4243) to a more modern ORC version, the file column names are breaking PPD by throwing 

{code}
java.lang.IllegalArgumentException: Field tool_id not found in struct<_col0:bigint,_col1:bigint,_col2:timestamp,_col3:string,_col4:string,_col5:int,_col6:int,_col7:int,_col8:timestamp,_col9:string>
{code}

even though the Reader.Options has forcePositionalEvolution(true)



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