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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/09/22 02:05:00 UTC
[jira] [Assigned] (SPARK-36822) BroadcastNestedLoopJoinExec should
use all condition instead of non-equi condition
[ https://issues.apache.org/jira/browse/SPARK-36822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-36822:
------------------------------------
Assignee: (was: Apache Spark)
> BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition
> ----------------------------------------------------------------------------------
>
> Key: SPARK-36822
> URL: https://issues.apache.org/jira/browse/SPARK-36822
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: XiDuo You
> Priority: Major
>
> At JoinSelection, with ExtractEquiJoinKeys, we use `nonEquiCond` as the join condition. It's wrong since there should exist some equi condition.
> {code:java}
> Seq(joins.BroadcastNestedLoopJoinExec(
> planLater(left), planLater(right), buildSide, joinType, nonEquiCond))
> {code}
> But it's should not be a bug, since we always use the smj as the default join strategy for ExtractEquiJoinKeys.
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