PIG-1283: COUNT on null bag causes failure (analog.sony via jcoveney)
PIG-1283: COUNT on null bag causes failure (analog.sony via jcoveney)

git-svn-id: c4d08399a8c07badad33cbf13a0909bacb78f41f@1399921 13f79535-47bb-0310-9956-ffa450edef68

apache/pig,apache/pig,apache/pig,apache/pig,apache/pig,apache/pig,apache/pig