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https://issues.apache.org/jira/browse/HIVE-18325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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piyush mukati reassigned HIVE-18325:
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> sending flag to do case unaware schema evolution to reader.
> -----------------------------------------------------------
>
> Key: HIVE-18325
> URL: https://issues.apache.org/jira/browse/HIVE-18325
> Project: Hive
> Issue Type: Bug
> Components: ORC
> Reporter: piyush mukati
> Assignee: piyush mukati
>
> in case of orc data reader schema passed by hive are all small cases and if
> the column name stored in the file has any uppercase, it will return null
> values for those columns even if the data is present in the file.
> Column name matching while schema evolution should be case unaware.
> we need to pass config for same from hive. the
> config(orc.schema.evolution.case.sensitive) in orc will be exposed by
> https://issues.apache.org/jira/browse/ORC-264
>
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