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https://issues.apache.org/jira/browse/TRAFODION-1562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15650344#comment-15650344
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Sandhya Sundaresan commented on TRAFODION-1562:
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This work is guarded by the CQD TRAF_UPSERT_TO_EFF_TREE. It is currently turned
off but will be turned on when significant testing and performance numbers are
obtained. Will leave this JIRA open until that testing is completed.
> Changes in query tree when the upsert command is transformed into merge
> -----------------------------------------------------------------------
>
> Key: TRAFODION-1562
> URL: https://issues.apache.org/jira/browse/TRAFODION-1562
> Project: Apache Trafodion
> Issue Type: Sub-task
> Components: sql-cmp
> Reporter: Selvaganesan Govindarajan
> Assignee: Sandhya Sundaresan
> Attachments: BatchUpsertTransformation.pdf
>
>
> to improve the performance as explained in the main JIRA
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