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https://issues.apache.org/jira/browse/HIVE-20693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16640046#comment-16640046
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Eugene Koifman commented on HIVE-20693:
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it's probably better to ask on u...@orc.apache.org
> Case-sensitivity for column names when reading from ORC
> -------------------------------------------------------
>
> Key: HIVE-20693
> URL: https://issues.apache.org/jira/browse/HIVE-20693
> Project: Hive
> Issue Type: Bug
> Components: Hive, ORC
> Affects Versions: 2.3.2
> Reporter: Alexandre Crayssac
> Priority: Major
>
> Hello everyone,
> I observed a different behavior between version 1.2.1 and 2.3.2 (that's the
> only two versions I've been able to test).
> When creating an external table pointing to ORC files and having upper cased
> column names in the ORC files metadata I'm able to read the data on 1.2.1 but
> not on 2.3.2.
> I tested with both upper cased and lower cased column names in my CREATE
> TABLE statement and it does not work in both cases. Looks like normal since
> column names are normalized to lower case in Hive.
> So, I would like to know if this is a feature or a bug in Hive 2.3.2 ?
> In fact, if this is a feature it would be impossible to have upper case
> column names in ORC files with Hive 2.3.2.
> Please, let me know if you need more informations.
> Kind regards,
> Alexandre
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