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https://issues.apache.org/jira/browse/HIVE-14007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15743404#comment-15743404
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Owen O'Malley commented on HIVE-14007:
--------------------------------------
{quote}
The current behavior and the fix to encode column names was shipped in hive 2
and this patch fundamentally changes how alter table statements/schema
evolution works.
{quote}
Ok, it is trivial to add a configuration knob like
"orc.ignore.names.for.evolution", which we can do. I've filed ORC-120 to handle
the transition to the richer schema evolution.
As for your other concerns, I've presented a solution and you keep raising the
same vague concerns. Having the two implementations of ORC is *really*
problematic and is leading to Hive not getting bug fixes and new features. That
will continue to worsen as the two code branches continue to diverge.
> Replace ORC module with ORC release
> -----------------------------------
>
> Key: HIVE-14007
> URL: https://issues.apache.org/jira/browse/HIVE-14007
> Project: Hive
> Issue Type: Bug
> Components: ORC
> Affects Versions: 2.2.0
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 2.2.0
>
> Attachments: HIVE-14007.patch, HIVE-14007.patch, HIVE-14007.patch,
> HIVE-14007.patch
>
>
> This completes moving the core ORC reader & writer to the ORC project.
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