HIVE-7250: Adaptive compression buffer size for wide tables in ORC (Prasanth J reviewed by Gunther Hagleitner and Gopal V)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1604073 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6394 - Implement Timestmap in ParquetSerde (Szehon via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1604077 13f79535-47bb-0310-9956-ffa450edef68