madlib/madlib — pull request #212 by renyi533 (2012-08-23 02:46:08+00:00)
Title: Fix MADLIB-641: Error information should be enhanced on data set without any rows

This pull request fix madlib-641. Please see http://jira.madlib.net/browse/MADLIB-641?focusedCommentId=11892#comment-11892 for details.