spark git commit: [SPARK-8463][SQL] Use DriverRegistry to load jdbc driver at writing path

Repository: spark Updated Branches: refs/heads/branch-1.4 e990561ce - 4d813833d [SPARK-8463][SQL] Use DriverRegistry to load jdbc driver at writing path JIRA: https://issues.apache.org/jira/browse/SPARK-8463 Currently, at the reading path, `DriverRegistry` is used to load needed jdbc driver

spark git commit: [SPARK-8463][SQL] Use DriverRegistry to load jdbc driver at writing path

Repository: spark Updated Branches: refs/heads/master 09a06418d - d4d6d31db [SPARK-8463][SQL] Use DriverRegistry to load jdbc driver at writing path JIRA: https://issues.apache.org/jira/browse/SPARK-8463 Currently, at the reading path, `DriverRegistry` is used to load needed jdbc driver at