Pig
  1. Pig
  2. PIG-2266

bug with input file joining optimization in Pig

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 0.9.0, 0.10.0
    • Fix Version/s: 0.12.0
    • Component/s: impl
    • Labels:
      None

      Description

      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.setUDFContextSignature(ld.getSignature());

      Before

      loader.setLocation(location, job);

      1. PIG-2266.patch
        0.9 kB
        Cheolsoo Park

        Issue Links

          Activity

          Daniel Dai made changes -
          Status Resolved [ 5 ] Closed [ 6 ]
          Cheolsoo Park made changes -
          Status Patch Available [ 10002 ] Resolved [ 5 ]
          Fix Version/s 0.12 [ 12323380 ]
          Resolution Fixed [ 1 ]
          Cheolsoo Park made changes -
          Status Open [ 1 ] Patch Available [ 10002 ]
          Cheolsoo Park made changes -
          Link This issue blocks PIG-3015 [ PIG-3015 ]
          Cheolsoo Park made changes -
          Assignee Joseph Adler [ jadler ]
          Cheolsoo Park made changes -
          Attachment PIG-2266.patch [ 12566690 ]
          Russell Jurney made changes -
          Field Original Value New Value
          Affects Version/s 0.10 [ 12316246 ]
          Joseph Adler created issue -

            People

            • Assignee:
              Joseph Adler
              Reporter:
              Joseph Adler
            • Votes:
              1 Vote for this issue
              Watchers:
              5 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development