spark git commit: [SPARK-16686][SQL] Remove PushProjectThroughSample since it is handled by ColumnPruning

2016-08-19 Thread rxin
Repository: spark Updated Branches: refs/heads/branch-2.0 d0707c6ba -> 3276ccfac [SPARK-16686][SQL] Remove PushProjectThroughSample since it is handled by ColumnPruning We push down `Project` through `Sample` in `Optimizer` by the rule `PushProjectThroughSample`. However, if the projected

spark git commit: [SPARK-16686][SQL] Remove PushProjectThroughSample since it is handled by ColumnPruning

2016-07-25 Thread wenchen
Repository: spark Updated Branches: refs/heads/master 815f3eece -> 7b06a8948 [SPARK-16686][SQL] Remove PushProjectThroughSample since it is handled by ColumnPruning ## What changes were proposed in this pull request? We push down `Project` through `Sample` in `Optimizer` by the rule