spark git commit: [SPARK-22951][SQL] fix aggregation after dropDuplicates on empty data frames

2018-01-10 Thread lian
Repository: spark Updated Branches: refs/heads/master 344e3aab8 -> 9b33dfc40 [SPARK-22951][SQL] fix aggregation after dropDuplicates on empty data frames ## What changes were proposed in this pull request? (courtesy of liancheng) Spark SQL supports both global aggregation and grouping

spark git commit: [SPARK-22951][SQL] fix aggregation after dropDuplicates on empty data frames

2018-01-10 Thread lian
Repository: spark Updated Branches: refs/heads/branch-2.3 5b5851cb6 -> eb4fa551e [SPARK-22951][SQL] fix aggregation after dropDuplicates on empty data frames ## What changes were proposed in this pull request? (courtesy of liancheng) Spark SQL supports both global aggregation and grouping