HIVE-8374 : schematool fails on Postgres versions < 9.2 MISSED FILE (Mohit Sabharwal, reviewed by Brock Noland)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1642770 13f79535-47bb-0310-9956-ffa450edef68