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https://issues.apache.org/jira/browse/TRAFODION-1562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15655136#comment-15655136
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ASF GitHub Bot commented on TRAFODION-1562:
-------------------------------------------
Github user sandhyasun commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/826#discussion_r87484788
--- Diff: core/sql/optimizer/BindRelExpr.cpp ---
@@ -10383,6 +10423,310 @@ NABoolean
Insert::isUpsertThatNeedsMerge(NABoolean isAlignedRowFormat, NABoolean
return FALSE;
}
+#ifdef __ignore
--- End diff --
Put it in comments with a clear comment that we could try out a perf
enhancement in the future.
> 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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