apache/tajo — pull request #278 by gyias (2014-12-03 06:41:41+00:00)
Title: TAJO-1191: Change DateDatum timezone to UTC

Currently, DateDatum is incorrectly treated as a local timezone based value. This change mainly updates plus & minus methods of some relevant classes and the class itself so that they don't convert a DateDatum value to UTC before executing an operation.