HIVE-8588 sqoop REST endpoint fails to send appropriate JDBC driver to the cluster

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1634242 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8588 sqoop REST endpoint fails to send appropriate JDBC driver to the cluster

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1634244 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8602: Add SORT_QUERY_RESULTS for skewjoinopt2 (Rui via Xuefu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1634262 13f79535-47bb-0310-9956-ffa450edef68