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https://issues.apache.org/jira/browse/HIVE-18774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Koifman resolved HIVE-18774.
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Resolution: Won't Fix
since HIVE-17917 reading footers for all copy_N files is done once per file
during split gen
> ACID: Use the _copy_N files copyNumber as the implicit statement-id
> -------------------------------------------------------------------
>
> Key: HIVE-18774
> URL: https://issues.apache.org/jira/browse/HIVE-18774
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Environment: if this is not done in 3.0 it cannot be done at all
> Reporter: Gopal V
> Assignee: Eugene Koifman
> Priority: Blocker
> Attachments: HIVE-18774.03.wip.patch
>
>
> When upgrading flat ORC files to ACID, use the _copy_N numbering as a
> statement-id to avoid having to align the row numbering between _copy_1 and
> _copy_2 files.
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