spark git commit: [SPARK-16648][SQL] Make ignoreNullsExpr a child expression of First and Last

2016-07-25 Thread wenchen
Repository: spark Updated Branches: refs/heads/branch-2.0 d226dce12 -> fcbb7f653 [SPARK-16648][SQL] Make ignoreNullsExpr a child expression of First and Last ## What changes were proposed in this pull request? Default `TreeNode.withNewChildren` implementation doesn't work for `Last` and

spark git commit: [SPARK-16648][SQL] Make ignoreNullsExpr a child expression of First and Last

2016-07-25 Thread wenchen
Repository: spark Updated Branches: refs/heads/master 468a3c3ac -> 68b4020d0 [SPARK-16648][SQL] Make ignoreNullsExpr a child expression of First and Last ## What changes were proposed in this pull request? Default `TreeNode.withNewChildren` implementation doesn't work for `Last` and when