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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/09/10 08:54:00 UTC
[jira] [Assigned] (SPARK-32842) Support dynamic partition pruning
hint
[ https://issues.apache.org/jira/browse/SPARK-32842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-32842:
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Assignee: Apache Spark
> Support dynamic partition pruning hint
> --------------------------------------
>
> Key: SPARK-32842
> URL: https://issues.apache.org/jira/browse/SPARK-32842
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Yuming Wang
> Assignee: Apache Spark
> Priority: Major
>
> For some joins, one side is very small but can not broadcast, for example:
> * left join but left side very small
> * right join but the right side very small
> At this time, {{PlanDynamicPruningFilters}} may not insert dynamic partition pruning. I'd like to add a hint to support users to force insert a dynamic partition pruning.
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