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https://issues.apache.org/jira/browse/HIVE-9732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14328864#comment-14328864
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Jesus Camacho Rodriguez commented on HIVE-9732:
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LGTM.
Maybe a note could be added to {{HiveInsertExchangeRule}} saying that once join
algorithm selection is implemented in Calcite, this rule will only insert the
{{Exchange}} operator if _common join_ algorithm is used.
> [CBO] Add InsertExchangeRule for join
> -------------------------------------
>
> Key: HIVE-9732
> URL: https://issues.apache.org/jira/browse/HIVE-9732
> Project: Hive
> Issue Type: Task
> Components: CBO
> Affects Versions: cbo-branch
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: HIVE-9732.cbo.patch
>
>
> Inserts Exchange operator on optimized calcite operator tree. This facilitate
> easier translation to Hive operator tree.
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