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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HIVE-14947) Add support for Acid 2 in Merge
Date Wed, 12 Jul 2017 23:08:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-14947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eugene Koifman resolved HIVE-14947.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: 3.0.0

> Add support for Acid 2 in Merge
> -------------------------------
>
>                 Key: HIVE-14947
>                 URL: https://issues.apache.org/jira/browse/HIVE-14947
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Transactions
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>             Fix For: 3.0.0
>
>
> HIVE-14035 etc introduced a more efficient data layout for acid tables
> Additional work is needed to support Merge for these tables
> Need to make sure we generate unique ROW__IDs in each branch of the multi-insert statement.
 StatementId was introduced in HIVE-11030 but it's not surfaced from storage layer.  It needs
to be made part of ROW__ID to ensure unique ROW__ID from concurrent writes from the same query.



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