spark git commit: [SPARK-12318][SPARKR] Save mode in SparkR should be error by default

Repository: spark Updated Branches: refs/heads/master 54c512ba9 -> 2eb5af5f0 [SPARK-12318][SPARKR] Save mode in SparkR should be error by default shivaram Please help review. Author: Jeff Zhang Closes #10290 from zjffdu/SPARK-12318. Project:

spark git commit: [SPARK-12318][SPARKR] Save mode in SparkR should be error by default

Repository: spark Updated Branches: refs/heads/branch-1.6 16edd933d -> f81512729 [SPARK-12318][SPARKR] Save mode in SparkR should be error by default shivaram Please help review. Author: Jeff Zhang Closes #10290 from zjffdu/SPARK-12318. (cherry picked from commit