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https://issues.apache.org/jira/browse/HIVE-15841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15868894#comment-15868894
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Owen O'Malley commented on HIVE-15841:
--------------------------------------
It gets them from the SchemaEvolution. In particular, they come from
OrcInputFormat.getDesiredRowTypeDescr(...) which uses schema.evolution.columns
and schema.evolution.columns.types or columns and columns.types from the config.
> Upgrade Hive to ORC 1.3.2
> -------------------------
>
> Key: HIVE-15841
> URL: https://issues.apache.org/jira/browse/HIVE-15841
> Project: Hive
> Issue Type: Bug
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Attachments: HIVE-15841.patch
>
>
> Hive needs ORC-141 and ORC-135, so we should upgrade to ORC 1.3.2 once it
> releases.
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