PIG-3414: QueryParserDriver.parseSchema(String) silently returns a wrong result when a comma is missing in the schema definition (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1513967 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk