Rohini Palaniswamy created PIG-4736:
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             Summary: Removing empty keys in UDFContext broke one LoadFunc
                 Key: PIG-4736
                 URL: https://issues.apache.org/jira/browse/PIG-4736
             Project: Pig
          Issue Type: Bug
          Components: tez
            Reporter: Rohini Palaniswamy


PIG-4697 separated UDFContext specific to each vertex. But it also had an 
optimization to remove empty keys. That broke one user LoadFunc which was 
keeping the UDFContext Properties as a local variable and serializing in 
setLocation only if getSchema() was called. Even if UDFContext.isFrontend() 
logic was used it would have worked.



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