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https://issues.apache.org/jira/browse/FLINK-23687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17452159#comment-17452159
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Yuan Zhu commented on FLINK-23687:
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At the same time, I suggest adding an option to toggle the cache metric in
LookupFunction, so we can evaluate the effect of shuffle.
> 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
> Assignee: Jing Zhang
> Priority: Major
>
> Add Sql query hint to enable LookupJoin shuffle by join key of left input
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