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https://issues.apache.org/jira/browse/CALCITE-594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14323453#comment-14323453
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Julian Hyde commented on CALCITE-594:
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[~ashutoshc], [~amansinha100], [~jni], I have a proposed fix at
https://github.com/julianhyde/incubator-calcite/tree/calcite-594. Please review.
> Add RelDistribution trait and Exchange relational expression
> ------------------------------------------------------------
>
> Key: CALCITE-594
> URL: https://issues.apache.org/jira/browse/CALCITE-594
> Project: Calcite
> Issue Type: New Feature
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
>
> Calcite is increasingly targeting to support distributed execution engines.
> Any distributed sql engine has Shuffle/Exchange operator to shuffle their
> data with other deamons in the runtime system. It will be useful to add a
> notion of {{Shuffle}} RelNode as a first class citizen in Calcite.
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