Package org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators

Examples of org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PORead

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        physOp.setLineageTracer(lineage);

        // replace the original inputs by POReads
        for (int i = 0; i < inputs.size(); i++) {
            DataBag bag = derivedData.get(cg.getInputs().get(i));
            PORead por = new PORead(new OperatorKey("", r.nextLong()), bag);
            phy.add(por);
            try {
                phy.connect(por, physOp.getInputs().get(i));
            } catch (PlanException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
                log.error("Error connecting " + por.name() + " to "
                        + physOp.name());
            }
        }

        DataBag output = BagFactory.getInstance().newDefaultBag();
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        phy.add(physOp);

        // replace the original inputs by POReads
        for (LogicalOperator l : op.getPlan().getPredecessors(op)) {
            DataBag bag = derivedData.get(l);
            PORead por = new PORead(new OperatorKey("", r.nextLong()), bag);
            phy.add(por);
            try {
                phy.connect(por, physOp);
            } catch (PlanException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
                log.error("Error connecting " + por.name() + " to "
                        + physOp.name());
            }
        }

        DataBag output = BagFactory.getInstance().newDefaultBag();
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        physOp.setLineageTracer(null);

        // replace the original inputs by POReads
        for (int i = 0; i < inputs.size(); i++) {
            DataBag bag = derivedData.get(op.getInputs().get(i));
            PORead por = new PORead(new OperatorKey("", r.nextLong()), bag);
            phy.add(por);
            try {
                phy.connect(por, physOp.getInputs().get(i));
            } catch (PlanException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
                log.error("Error connecting " + por.name() + " to "
                        + physOp.name());
            }
        }

        // replace the original inputs by POReads
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    expPlan.add(pr1);
    sortPlans.add(expPlan);
   
    List<Boolean> mAscCols = new LinkedList<Boolean>();
    mAscCols.add(true);
    PORead read = new PORead(new OperatorKey("", r.nextLong()), input);
    List<PhysicalOperator> inputs = new LinkedList<PhysicalOperator>();
    inputs.add(read);
    POSort sort = new POSort(new OperatorKey("", r.nextLong()), -1, inputs,
        sortPlans, mAscCols, null);
   
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    PhysicalPlan expPlan = new PhysicalPlan();
    expPlan.add(pr1);
    sortPlans.add(expPlan);
    List<Boolean> mAscCols = new LinkedList<Boolean>();
    mAscCols.add(false);
    PORead read = new PORead(new OperatorKey("", r.nextLong()), input);
    List<PhysicalOperator> inputs = new LinkedList<PhysicalOperator>();
    inputs.add(read);
    POSort sort = new POSort(new OperatorKey("", r.nextLong()), -1, inputs,
        sortPlans, mAscCols, null);
    Tuple t = null;
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    PhysicalPlan expPlan = new PhysicalPlan();
    expPlan.add(pr1);
    sortPlans.add(expPlan);
    List<Boolean> mAscCols = new LinkedList<Boolean>();
    mAscCols.add(true);
    PORead read = new PORead(new OperatorKey("", r.nextLong()), input);
    List<PhysicalOperator> inputs = new LinkedList<PhysicalOperator>();
    inputs.add(read);
    POSort sort = new POSort(new OperatorKey("", r.nextLong()), -1, inputs,
        sortPlans, mAscCols, null);
    Tuple t = null;
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    PhysicalPlan expPlan = new PhysicalPlan();
    expPlan.add(pr1);
    sortPlans.add(expPlan);
    List<Boolean> mAscCols = new LinkedList<Boolean>();
    mAscCols.add(false);
    PORead read = new PORead(new OperatorKey("", r.nextLong()), input);
    List<PhysicalOperator> inputs = new LinkedList<PhysicalOperator>();
    inputs.add(read);
    POSort sort = new POSort(new OperatorKey("", r.nextLong()), -1, inputs,
        sortPlans, mAscCols, null);
    Tuple t = null;
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        List<Boolean> mAscCols = new LinkedList<Boolean>();
        mAscCols.add(false);
        mAscCols.add(true);

        PORead read = new PORead(new OperatorKey("", r.nextLong()), input);
        List<PhysicalOperator> inputs = new LinkedList<PhysicalOperator>();
        inputs.add(read);

        POSort sort = new POSort(new OperatorKey("", r.nextLong()), -1, inputs,
                                 sortPlans, mAscCols, null);
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        List<Boolean> mAscCols = new LinkedList<Boolean>();
        mAscCols.add(false);
        mAscCols.add(true);

        PORead read = new PORead(new OperatorKey("", r.nextLong()), input);
        List<PhysicalOperator> inputs = new LinkedList<PhysicalOperator>();
        inputs.add(read);

        POSort sort = new POSort(new OperatorKey("", r.nextLong()), -1, inputs,
                                 sortPlans, mAscCols, null);
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        List<Boolean> mAscCols = new LinkedList<Boolean>();
        mAscCols.add(false);
        mAscCols.add(true);

        PORead read = new PORead(new OperatorKey("", r.nextLong()), input);
        List<PhysicalOperator> inputs = new LinkedList<PhysicalOperator>();
        inputs.add(read);

        POSort sort = new POSort(new OperatorKey("", r.nextLong()), -1, inputs,
                                 sortPlans, mAscCols, null);
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Related Classes of org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.PORead

  • org.apache.pig.backend.hadoop.executionengine.physicalLayer.Result
  • org.apache.pig.pen.DerivedDataVisitor
  • org.apache.pig.test.TestFilter
  • org.apache.pig.test.TestPOCogroup
  • org.apache.pig.test.TestPOCross
  • org.apache.pig.test.TestPODistinct
  • org.apache.pig.test.TestPOSort
  • org.apache.pig.test.TestPOUserFunc
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