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https://issues.apache.org/jira/browse/SPARK-3862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14935054#comment-14935054
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David Sabater commented on SPARK-3862:
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Thanks Reynold - I am really interested in this feature and happy to contribute
in whatever format, I see there is a Jira task opened around that actually!
https://issues.apache.org/jira/browse/SPARK-3863
Let me know how I can contribute please, I am actually attending Spark Summit
EU so we may see each other to talk about potential use cases and ways to
collaborate.
Regards.
> MultiWayBroadcastInnerHashJoin
> ------------------------------
>
> Key: SPARK-3862
> URL: https://issues.apache.org/jira/browse/SPARK-3862
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
>
> It is common to have a single fact table inner join many small dimension
> tables. We can exploit this fact and create a MultiWayBroadcastInnerHashJoin
> (or maybe just MultiwayDimensionJoin) operator that optimizes for this
> pattern.
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