| --This script does an anti-join. This is useful because it is a use of |
| --cogroup that is not a regular join. |
| register $PIGMIX_JAR |
| A = load '$HDFS_ROOT/page_views' using org.apache.pig.test.pigmix.udf.PigPerformanceLoader() |
| as (user, action, timespent, query_term, ip_addr, timestamp, |
| estimated_revenue, page_info, page_links); |
| B = foreach A generate user; |
| alpha = load '$HDFS_ROOT/users' using PigStorage('\u0001') as (name, phone, address, |
| city, state, zip); |
| beta = foreach alpha generate name; |
| C = cogroup beta by name, B by user parallel $PARALLEL; |
| D = filter C by COUNT(beta) == 0; |
| E = foreach D generate group; |
| store E into '$PIGMIX_OUTPUT/L5out'; |