[jira] [Created] (PIG-4501) Write API for Avro[Tuple|Map|Bag]wrapper classes is broken

["Ratandeep Ratti (JIRA)" <ji...@apache.org>]

Ratandeep Ratti created PIG-4501:
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             Summary: Write API for Avro[Tuple|Map|Bag]wrapper classes is broken
                 Key: PIG-4501
                 URL: https://issues.apache.org/jira/browse/PIG-4501
             Project: Pig
          Issue Type: Bug
            Reporter: Ratandeep Ratti


{{AvroTupleWrapper}}, {{AvroMapWrapper}} and {{AvroBagWrapper}} expose write APIs but their implementation is broken. 

For instance, we can do 
{code}
Tuple t = TupleFactory.newInstnace().newTuple(1);
t.set(0, 0);
avroTupleWrapper.set(0, t);
avroTupleWrapper.get(0);  
{code}
The last line will (in most cases) fail depending upon what the avro schema is for the 0th element.

I'm attaching a patch which highlights this more concretely. The patch only shows failures in AvroTupleWrapper but similar problems exist in corresponding Map and Bag classes



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