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https://issues.apache.org/jira/browse/SPARK-10577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14742036#comment-14742036
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Maciej Bryński commented on SPARK-10577:
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[~rxin]
I can find broadcast in functions.scala.
Is it possible to use it in SQL ?
select * from t1 join broadcast(t2) on t1.k1 = t2.k2 doesn't work.
> [PySpark, SQL] DataFrame hint for broadcast join
> ------------------------------------------------
>
> Key: SPARK-10577
> URL: https://issues.apache.org/jira/browse/SPARK-10577
> Project: Spark
> Issue Type: Improvement
> Components: PySpark, SQL
> Affects Versions: 1.5.0
> Reporter: Maciej Bryński
>
> As in https://issues.apache.org/jira/browse/SPARK-8300
> there should by possibility to add hint for broadcast join in:
> - Spark SQL
> - Pyspark
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