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https://issues.apache.org/jira/browse/SPARK-27741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-27741.
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Resolution: Duplicate
> Transitivity on predicate pushdown
> -----------------------------------
>
> Key: SPARK-27741
> URL: https://issues.apache.org/jira/browse/SPARK-27741
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 2.1.1
> Reporter: U Shaw
> Priority: Major
>
> When using inner join, where conditions can be passed to join on, and when
> using outer join, even if the conditions are the same, only the predicate is
> pushed down to left or right.
> As follows:
> select * from t1 left join t2 on t1.id=t2.id where t1.id=1
> --> select * from t1 left join on t1.id=t2.id and t2.id=1 where t1.id=1
> Is Catalyst can support transitivity on predicate pushdown ?
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