[SPARK-2911] apply parent[T](j) to clarify UnionRDD code#1858
Closed
erikerlandson wants to merge 1 commit intoapache:masterfrom
Closed
[SPARK-2911] apply parent[T](j) to clarify UnionRDD code#1858erikerlandson wants to merge 1 commit intoapache:masterfrom
erikerlandson wants to merge 1 commit intoapache:masterfrom
