Releted to https://issues.apache.org/jira/browse/SPARK-12504?jql=project%20%3D%20SPARK%20AND%20text%20~%20%22credentials%20jdbc%22
Is there a way to override the explain command on that class without updating spark. My spark version is 1.6 and is very hard for me to upgrade spark. Therefore I am looking more for a hack kind of solution. Thanks a lot ! -- Cesar Flores
