spark git commit: [SPARK-15748][SQL] Replace inefficient foldLeft() call with flatMap() in PartitionStatistics

2016-06-05 Thread rxin
Repository: spark Updated Branches: refs/heads/master 30c4774f3 -> 26c1089c3 [SPARK-15748][SQL] Replace inefficient foldLeft() call with flatMap() in PartitionStatistics `PartitionStatistics` uses `foldLeft` and list concatenation (`++`) to flatten an iterator of lists, but this is extremely

spark git commit: [SPARK-15748][SQL] Replace inefficient foldLeft() call with flatMap() in PartitionStatistics

2016-06-05 Thread rxin
Repository: spark Updated Branches: refs/heads/branch-2.0 38a626a54 -> d8370ef11 [SPARK-15748][SQL] Replace inefficient foldLeft() call with flatMap() in PartitionStatistics `PartitionStatistics` uses `foldLeft` and list concatenation (`++`) to flatten an iterator of lists, but this is extre