[
https://issues.apache.org/jira/browse/ORC-120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15759654#comment-15759654
]
Lefty Leverenz commented on ORC-120:
------------------------------------
The new configuration parameter in OrcConf.java is
*orc.force.positional.evolution*.
> Create a backwards compatibility mode of ignoring names for evolution
> ---------------------------------------------------------------------
>
> Key: ORC-120
> URL: https://issues.apache.org/jira/browse/ORC-120
> Project: Orc
> Issue Type: Task
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 1.3.0
>
>
> ORC's schema evolution uses the column names when they are available. Hive
> 2.1 uses a positional schema, so ORC should support a backward compatibility
> mode for Hive users during the transition.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
