Wenchen Fan created SPARK-20121: ----------------------------------- Summary: simplify NullPropagation with NullIntolerant Key: SPARK-20121 URL: https://issues.apache.org/jira/browse/SPARK-20121 Project: Spark Issue Type: Improvement Components: SQL Affects Versions: 2.2.0 Reporter: Wenchen Fan Assignee: Wenchen Fan
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