*Sample data *
* Login Logout*
2013-01-16 04:01:18 2013-01-16 04:01:36
2013-01-16 04:02:19 2013-01-16 04:03:11
*Query *
grunt> A = load '/home/user/Desktop/1' using PigStorage(';') AS (f1 :
double, f2: double);
2013-09-19 20:19:02,316 [main] WARN org.apache.pig.PigServer - Encountered
Warning IMPLICIT_CAST_TO_DOUBLE 6 time(s).
grunt> B = foreach A generate (f2-f1);
2013-09-19 20:19:04,611 [main] WARN org.apache.pig.PigServer - Encountered
Warning IMPLICIT_CAST_TO_DOUBLE 6 time(s).
grunt> dump B;
*output :*
()
()
*Output expected *
(18)
(52)
