Package org.apache.pig.impl.physicalLayer

Examples of org.apache.pig.impl.physicalLayer.PhysicalOperator.open()

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        pOp.inputs[i] = read.getOperatorKey();
      }
     
      //get the output data
      DataBag outputData = BagFactory.getInstance().newDefaultBag();
        pOp.open();
        Tuple t = pOp.getNext();
        while(t != null) {
          outputData.add(t);
          t = pOp.getNext();
        }
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        DataBag results = BagFactory.getInstance().newDefaultBag();
        try {
            PhysicalOperator pp = (PhysicalOperator)physicalOpTable.get(plan.getRoot());

            pp.visit(new InstantiateFuncCallerPOVisitor(pigContext, physicalOpTable));
            pp.open();
           
            Tuple t;
            while ((t = (Tuple) pp.getNext()) != null) {
                results.add(t);
            }
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