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  1. Pig
  2. PIG-3657

New partition filter extractor fails with NPE

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.12.1, 0.13.0
    • Component/s: impl
    • Labels:
      None

      Description

      To reproduce the issue, try a filter expression as follows-

      b = FILTER a BY partition_column < x OR (partition_column == y AND non-partition_column == z); 
      

      Pig fails with NPE, and the stack trace is something like this-

      Caused by: java.lang.NullPointerException
          at org.apache.pig.newplan.FilterExtractor.checkPushDown(FilterExtractor.java:252)
          at org.apache.pig.newplan.FilterExtractor.visit(FilterExtractor.java:115)
          at org.apache.pig.newplan.logical.rules.PartitionFilterOptimizer$PartitionFilterPushDownTransformer.transform(PartitionFilterOptimizer.java:150)
          at org.apache.pig.newplan.optimizer.PlanOptimizer.optimize(PlanOptimizer.java:110)
          ... 18 more
      

        Attachments

        1. PIG-3657-1.patch
          4 kB
          Cheolsoo Park

          Activity

            People

            • Assignee:
              cheolsoo Cheolsoo Park
              Reporter:
              cheolsoo Cheolsoo Park
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              Dates

              • Created:
                Updated:
                Resolved: