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https://issues.apache.org/jira/browse/FLINK-23687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17451860#comment-17451860
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Yuan Zhu commented on FLINK-23687:
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hi, [~jingzhang] . I'm interested in this ticket, could you assign it to me?
I think we can just replace requiredTrait with hash FlinkRelDistribution in
StreamPhysicalLookupJoinRule/BatchPhysicalLookupJoinRule#doTransform.
> Add Sql query hint to enable LookupJoin shuffle by join key of left input
> -------------------------------------------------------------------------
>
> Key: FLINK-23687
> URL: https://issues.apache.org/jira/browse/FLINK-23687
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: Jing Zhang
> Priority: Major
>
> Add Sql query hint to enable LookupJoin shuffle by join key of left input
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