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From "Joseph Adler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PIG-2266) bug with input file joining optimization in Pig
Date Tue, 06 Sep 2011 18:27:10 GMT
bug with input file joining optimization in Pig

                 Key: PIG-2266
                 URL: https://issues.apache.org/jira/browse/PIG-2266
             Project: Pig
          Issue Type: Bug
          Components: impl
    Affects Versions: 0.9.0
            Reporter: Joseph Adler

In src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/MRCompiler.java, the function
hasTooManyInputFiles instantiated a LoadFunc instance, then calls setLocation before calling
setUDFContextSignature. This is inconsistent with the documentation for the LoadFunc interface
(see http://pig.apache.org/docs/r0.9.0/api/org/apache/pig/LoadFunc.html#setUDFContextSignature(java.lang.String)).
(We've written UDFs that assume that setUDFContextSignature is called first.)

I think you can fix this by adding 



   loader.setLocation(location, job);

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