Add OUTER_JOIN operator which, on an empty bag, returns null instead of
throwing away the row
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Key: PIG-2424
URL: https://issues.apache.org/jira/browse/PIG-2424
Project: Pig
Issue Type: Improvement
Reporter: Jonathan Coveney
Assignee: Jonathan Coveney
Fix For: 0.11
It would be useful if Pig had a flatten operator which didn't throw away a row
given an empty bag.
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