PERFORMANCE: Use specialized POForEachNoFlatten for cases where the foreach has
no flattens
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Key: PIG-651
URL: https://issues.apache.org/jira/browse/PIG-651
Project: Pig
Issue Type: Improvement
Affects Versions: types_branch
Reporter: Pradeep Kamath
Assignee: Pradeep Kamath
Fix For: types_branch
POForEach has lot of code to handle flattening (cross product) of the fields in
the generate. This is relevant only when atleast one field in the generate
needs to be flattened. If all fields in the generate do not need to be
flattened, a more simplified and hopefully more efficient POForEach can be used.
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