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https://issues.apache.org/jira/browse/ORC-540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16900050#comment-16900050
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Laszlo Bodor commented on ORC-540:
----------------------------------
https://github.com/apache/orc/pull/418
> 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
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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