Jose Torres created SPARK-23574:
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             Summary: SinglePartition in data source V2 scan
                 Key: SPARK-23574
                 URL: https://issues.apache.org/jira/browse/SPARK-23574
             Project: Spark
          Issue Type: Bug
          Components: Structured Streaming
    Affects Versions: 2.4.0
            Reporter: Jose Torres


DataSourceV2ScanExec currently reports UnknownPartitioning whenever the reader 
doesn't mix in SupportsReportPartitioning. It can also report SinglePartition 
in the case where there's a single reader factory.



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