Sperate data types
------------------
Key: HADOOP-7479
URL: https://issues.apache.org/jira/browse/HADOOP-7479
Project: Hadoop Common
Issue Type: Sub-task
Reporter: Sanjay Radia
Assignee: Sanjay Radia-- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira
