Created
March 27, 2014 09:55
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Set operations on Pig Bags
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| outputSchema "bag:{tuple:()}" | |
| def bags_interection bag1, bag2 | |
| return nil if bag1.nil? | |
| return nil if bag2.nil? | |
| bag = bag1.map{ |x| x } & bag2.map{ |x| x } | |
| db = DataBag.new | |
| bag.each { |x| db.add(x) } | |
| db | |
| end |
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