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https://issues.apache.org/jira/browse/HIVE-17127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Koifman reassigned HIVE-17127:
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> delete_deleta_x_x cannot modify delta_x_x
> -----------------------------------------
>
> Key: HIVE-17127
> URL: https://issues.apache.org/jira/browse/HIVE-17127
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 2.2.0
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
> Priority: Minor
>
> with split update an update statement will produce delete_deleta_x_x and
> delta_x_x for any auto commit txn. For multi-statement txn
> delete_delta_x_x_k may modify delta_x_x_j for j < k.
> Since we generate splits from delta_x_x there may be a small optimization
> here.
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