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Pig >> mail # user >> self join in pig


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self join in pig
Hi,

I need to subtract row2 value from row1.  how to get it in Pig?

Thanks
Rajesh
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB