private Column timeColumn(String name) {
   Column c = new Column();
   c.setName(name);
   c.setType(Types.TIME);
   c.setJavaType(JavaTypes.DATE);
   return c;
 }
 private Column dayColumn(String name) {
   Column c = new Column();
   c.setName(name + "_day");
   c.setType(Types.DATE);
   c.setJavaType(JavaTypes.DATE);
   return c;
 }