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https://issues.apache.org/jira/browse/HIVE-17695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-17695:
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Priority: Minor (was: Major)
> collapse union all produced directories into delta directory name suffix for
> MM
> -------------------------------------------------------------------------------
>
> Key: HIVE-17695
> URL: https://issues.apache.org/jira/browse/HIVE-17695
> Project: Hive
> Issue Type: Sub-task
> Components: Transactions
> Reporter: Eugene Koifman
> Priority: Minor
>
> this has special handling for writes resulting from Union All query
> In full Acid case at least, these subdirs get collapsed in favor of
> statementId based dir names (delta_x_y_stmtId). It would be cleaner/simpler
> to make MM follow the same logic. (full acid does it Hive.moveFiles() I
> think)
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