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Posted to issues@spark.apache.org by "Corey Woodfield (JIRA)" <ji...@apache.org> on 2017/07/07 00:04:00 UTC

[jira] [Created] (SPARK-21333) joinWith documents and analysis allow invalid join types

Corey Woodfield created SPARK-21333:
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             Summary: 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
            Reporter: Corey Woodfield
            Priority: Minor


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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