Shivram Mani created HAWQ-971:
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             Summary: Update PXF Resolvers to return partial content
                 Key: HAWQ-971
                 URL: https://issues.apache.org/jira/browse/HAWQ-971
             Project: Apache HAWQ
          Issue Type: Sub-task
          Components: PXF
            Reporter: Shivram Mani
            Assignee: Goden Yao


Most of the data formats on HDFS don't support projecting specific columns. For 
such formats we can still avoid resolving every individual field in the record 
and instead only resolve fields that need to be projected and send NULLs for 
other fields.



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