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https://issues.apache.org/jira/browse/SPARK-21333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li resolved SPARK-21333.
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Resolution: Fixed
Fix Version/s: 2.3.0
2.2.1
> joinWith documents and analysis allow invalid join types
> --------------------------------------------------------
>
> Key: SPARK-21333
> URL: https://issues.apache.org/jira/browse/SPARK-21333
> Project: Spark
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 2.1.1, 2.2.0
> Reporter: Corey Woodfield
> Assignee: Corey Woodfield
> Priority: Minor
> Fix For: 2.2.1, 2.3.0
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> joinWith returns a Dataset<Tuple2>, but left_semi and left_anti (which only
> return things from one side of the join) are listed as acceptable join types
> in the documentation, and an error is not thrown until spark gets to the
> joining part, rather than in the analysis phase. These join types should be
> removed from the documentation, and this error should be caught earlier
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