PIG-3609: ClassCastException when calling compareTo method on AvroBagWrapper (rding via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1553243 13f79535-47bb-0310-9956-ffa450edef68
PIG-3640: Retain intermediate files for debugging purpose in batch mode (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1553245 13f79535-47bb-0310-9956-ffa450edef68