+ "left outer join activity on task.activityid = activity.activityid "
+ "WHERE timeslipsearch.timeslipid = ts.timeslipid and tla.TimeSlipID=ts.TimeSlipID";
cvdl.setSqlQueryToNull();
cvdl.setSqlQuery(str);
col = cvdl.executeQuery();
cvdl.setSqlQueryToNull();
cvdl.setSqlQuery("DROP TABLE timeslipsearch");
cvdl.executeUpdate();