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

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

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        assertEquals( 2, phyPlan.getRoots().size() );
        assertEquals( POLoad.class, phyPlan.getRoots().get(0).getClass() );
        POLoad load = (POLoad)phyPlan.getRoots().get(0);
       
        assertEquals( POLocalRearrange.class, phyPlan.getSuccessors(load).get(0).getClass() );
        POLocalRearrange localR = (POLocalRearrange)phyPlan.getSuccessors(load).get(0);
        assertEquals( 1, localR.getPlans().size() );
        PhysicalPlan cogroupPlan = localR.getPlans().get(0);
        assertEquals( 1, cogroupPlan.getLeaves().size() );       
        assertEquals( POProject.class, cogroupPlan.getLeaves().get(0).getClass() );
        POProject prj = (POProject)cogroupPlan.getLeaves().get(0);
        assertEquals( 0, prj.getColumn() );
        assertEquals( DataType.CHARARRAY, prj.getResultType() );
       
        assertEquals( POGlobalRearrange.class, phyPlan.getSuccessors(localR).get(0).getClass() );
        POGlobalRearrange globalR = (POGlobalRearrange)phyPlan.getSuccessors(localR).get(0);
        assertEquals( DataType.TUPLE, globalR.getResultType() );
       
        assertEquals( POLoad.class, phyPlan.getRoots().get(1).getClass() );
        POLoad load2 = (POLoad)phyPlan.getRoots().get(0);
       
        assertEquals( POLocalRearrange.class, phyPlan.getSuccessors(load2).get(0).getClass() );
        POLocalRearrange localR2 = (POLocalRearrange)phyPlan.getSuccessors(load2).get(0);
        assertEquals( 1, localR2.getPlans().size() );
        PhysicalPlan cogroupPlan2 = localR2.getPlans().get(0);
        POProject prj2 = (POProject)cogroupPlan2.getLeaves().get(0);
        assertEquals( 0, prj2.getColumn() );
        assertEquals( DataType.CHARARRAY, prj2.getResultType() );
       
        assertEquals( POPackage.class, phyPlan.getSuccessors(globalR).get(0).getClass() );
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        assertEquals( 2, phyPlan.getRoots().size() );
        assertEquals( POLoad.class, phyPlan.getRoots().get(0).getClass() );
        POLoad load = (POLoad)phyPlan.getRoots().get(0);
       
        assertEquals( POLocalRearrange.class, phyPlan.getSuccessors(load).get(0).getClass() );
        POLocalRearrange localR = (POLocalRearrange)phyPlan.getSuccessors(load).get(0);
        assertEquals( 2, localR.getPlans().size() );
        PhysicalPlan cogroupPlan = localR.getPlans().get(0);
        assertEquals( 1, cogroupPlan.getLeaves().size() );       
        assertEquals( POProject.class, cogroupPlan.getLeaves().get(0).getClass() );
        POProject prj = (POProject)cogroupPlan.getLeaves().get(0);
        assertEquals( 0, prj.getColumn() );
        assertEquals( DataType.CHARARRAY, prj.getResultType() );
       
        PhysicalPlan cogroupPlan2 = localR.getPlans().get(1);
        assertEquals( 1, cogroupPlan2.getLeaves().size() );       
        assertEquals( POProject.class, cogroupPlan2.getLeaves().get(0).getClass() );
        POProject prj2 = (POProject)cogroupPlan2.getLeaves().get(0);
        assertEquals( 1, prj2.getColumn() );
        assertEquals( DataType.INTEGER, prj2.getResultType() );
       
        assertEquals( POGlobalRearrange.class, phyPlan.getSuccessors(localR).get(0).getClass() );
        POGlobalRearrange globalR = (POGlobalRearrange)phyPlan.getSuccessors(localR).get(0);
        assertEquals( DataType.TUPLE, globalR.getResultType() );
       
        assertEquals( POLoad.class, phyPlan.getRoots().get(1).getClass() );
        POLoad load2 = (POLoad)phyPlan.getRoots().get(0);
       
        assertEquals( POLocalRearrange.class, phyPlan.getSuccessors(load2).get(0).getClass() );
       
        POLocalRearrange localR3 = (POLocalRearrange)phyPlan.getSuccessors(load2).get(0);
        assertEquals( 2, localR3.getPlans().size() );
        PhysicalPlan cogroupPlan3 = localR3.getPlans().get(0);
        POProject prj3 = (POProject)cogroupPlan3.getLeaves().get(0);
        assertEquals( 0, prj3.getColumn() );
        assertEquals( DataType.CHARARRAY, prj3.getResultType() );
       
        PhysicalPlan cogroupPlan4 = localR3.getPlans().get(1);
        POProject prj4 = (POProject)cogroupPlan4.getLeaves().get(0);
        assertEquals( 1, prj4.getColumn() );
        assertEquals( DataType.INTEGER, prj4.getResultType() );
       
        assertEquals( POPackage.class, phyPlan.getSuccessors(globalR).get(0).getClass() );
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    }
   
    private void setUp2() throws PlanException, ExecException{
        lr = GenPhyOp.topLocalRearrangeOPWithPlanPlain(0,0,db.iterator().next());
        List<PhysicalPlan> plans = lr.getPlans();
        POLocalRearrange lrT = GenPhyOp.topLocalRearrangeOPWithPlanPlain(0, 1, db.iterator().next());
        List<PhysicalPlan> plansT = lrT.getPlans();
        plans.add(plansT.get(0));
        lr.setPlans(plans);
       
        POProject proj = GenPhyOp.exprProject();
        proj.setColumn(0);
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    public MergeJoinIndexer(String funcSpec, String innerPlan, String serializedPhyPlan) throws ExecException{
       
        loader = (LoadFunc)PigContext.instantiateFuncFromSpec(funcSpec);
        try {
            List<PhysicalPlan> innerPlans = (List<PhysicalPlan>)ObjectSerializer.deserialize(innerPlan);
            lr = new POLocalRearrange(new OperatorKey("MergeJoin Indexer",NodeIdGenerator.getGenerator().getNextNodeId("MergeJoin Indexer")));
            lr.setPlans(innerPlans);
            keysCnt = innerPlans.size();
            precedingPhyPlan = (PhysicalPlan)ObjectSerializer.deserialize(serializedPhyPlan);
            if(precedingPhyPlan != null){
                    if(precedingPhyPlan.getLeaves().size() != 1 || precedingPhyPlan.getRoots().size() != 1){
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        Byte type = null;
        for( int i = 0 ; i < preds.size(); i++ ) {
            ArrayList<LogicalExpressionPlan> exprPlans =
                (ArrayList<LogicalExpressionPlan>) cg.getExpressionPlans().get(i);
           
            POLocalRearrange physOp = new POLocalRearrange(new OperatorKey(
                    DEFAULT_SCOPE, nodeGen.getNextNodeId(DEFAULT_SCOPE)), cg.getRequestedParallelisam() );
            physOp.setAlias(cg.getAlias());
           
            List<PhysicalPlan> pExprPlans = translateExpressionPlans( cg, exprPlans );
           
            try {
                physOp.setPlans(pExprPlans);
            } catch (PlanException pe) {
                int errCode = 2071;
                String msg = "Problem with setting up local rearrange's plans.";
                throw new LogicalToPhysicalTranslatorException(msg, errCode, PigException.BUG, pe);
            }
            try {
                physOp.setIndex(i);
            } catch (ExecException e1) {
                // int errCode = 2058;
                String msg = "Unable to set index on newly create POLocalRearrange.";
                throw new IOException(msg);
            }
            if (exprPlans.size() > 1) {
                type = DataType.TUPLE;
                physOp.setKeyType(type);
            } else {
                type = pExprPlans.get(0).getLeaves().get(0).getResultType();
                physOp.setKeyType(type);
            }
            physOp.setResultType(DataType.TUPLE);

            currentPlan.add(physOp);

            try {
                currentPlan.connect(logToPhyMap.get(preds.get(i)), physOp);
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                currentPlan.connect(poGlobal, poPackage);
                for (int i=0; i<inputs.size(); i++) {      
                    Operator op = inputs.get(i);
                    List<LogicalExpressionPlan> plans =
                        (List<LogicalExpressionPlan>) loj.getJoinPlan(i);
                    POLocalRearrange physOp = new POLocalRearrange(new OperatorKey(
                            scope, nodeGen.getNextNodeId(scope)), loj
                            .getRequestedParallelisam());
                    List<PhysicalPlan> exprPlans = translateExpressionPlans(loj, plans);
//                    currentPlans.push(currentPlan);
//                    for (LogicalExpressionPlan lp : plans) {
//                        currentPlan = new PhysicalPlan();
//                        PlanWalker childWalker = currentWalker
//                                .spawnChildWalker(lp);
//                        pushWalker(childWalker);
//                        //currentWalker.walk(this);
//                        currentWalker.walk(
//                                new ExpToPhyTranslationVisitor(currentWalker.getPlan(),
//                                        childWalker) );
//                        exprPlans.add(currentPlan);
//                        popWalker();
//
//                    }
//                    currentPlan = currentPlans.pop();
                    try {
                        physOp.setPlans(exprPlans);
                    } catch (PlanException pe) {
                        int errCode = 2071;
                        String msg = "Problem with setting up local rearrange's plans.";
                        throw new LogicalToPhysicalTranslatorException(msg, errCode, PigException.BUG, pe);
                    }
                    try {
                        physOp.setIndex(count++);
                    } catch (ExecException e1) {
                        int errCode = 2058;
                        String msg = "Unable to set index on newly create POLocalRearrange.";
                        throw new VisitorException(msg, errCode, PigException.BUG, e1);
                    }
                    if (plans.size() > 1) {
                        type = DataType.TUPLE;
                        physOp.setKeyType(type);
                    } else {
                        type = exprPlans.get(0).getLeaves().get(0).getResultType();
                        physOp.setKeyType(type);
                    }
                    physOp.setResultType(DataType.TUPLE);

                    currentPlan.add(physOp);

                    try {
                        currentPlan.connect(logToPhyMap.get(op), physOp);
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        }
    }
   
    public void connectMapToReduceLimitedSort(MapReduceOper mro, MapReduceOper sortMROp) throws PlanException, VisitorException
    {
        POLocalRearrange slr = (POLocalRearrange)sortMROp.mapPlan.getLeaves().get(0);
       
        POLocalRearrange lr = null;
        try {
            lr = slr.clone();
        } catch (CloneNotSupportedException e) {
            int errCode = 2147;
            String msg = "Error cloning POLocalRearrange for limit after sort";
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        ep.add(prjStar);
       
        List<PhysicalPlan> eps = new ArrayList<PhysicalPlan>();
        eps.add(ep);
       
        POLocalRearrange lr = new POLocalRearrange(new OperatorKey(scope,nig.getNextNodeId(scope)));
        try {
            lr.setIndex(0);
        } catch (ExecException e) {
            int errCode = 2058;
            String msg = "Unable to set index on the newly created POLocalRearrange.";
            throw new PlanException(msg, errCode, PigException.BUG, e);
        }
        lr.setKeyType(DataType.TUPLE);
        lr.setPlans(eps);
        lr.setResultType(DataType.TUPLE);
       
        mro.mapPlan.addAsLeaf(lr);
       
        POPackage pkg = new POPackage(new OperatorKey(scope,nig.getNextNodeId(scope)));
        pkg.setKeyType(DataType.TUPLE);
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                lrPP.add(ce);
   
                List<PhysicalPlan> lrInnerPlans = new ArrayList<PhysicalPlan>();
                lrInnerPlans.add(lrPP);
   
                POLocalRearrange lr = new POLocalRearrange(new OperatorKey(scope,nig.getNextNodeId(scope)));
                lr.setIndex(0);
                lr.setKeyType(DataType.CHARARRAY);
                lr.setPlans(lrInnerPlans);
                lr.setResultType(DataType.TUPLE);
                rightMROpr.mapPlan.addAsLeaf(lr);
   
                rightMROpr.setMapDone(true);
   
                // On the reduce side of this indexing job, there will be a global rearrange followed by POSort.
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            ep.add(prjStar);
           
            List<PhysicalPlan> eps = new ArrayList<PhysicalPlan>();
            eps.add(ep);
           
            POLocalRearrange lr = new POLocalRearrange(new OperatorKey(scope,nig.getNextNodeId(scope)));
            lr.setIndex(0);
            lr.setKeyType(DataType.TUPLE);
            lr.setPlans(eps);
            lr.setResultType(DataType.TUPLE);
            lr.setDistinct(true);
            if(!mro.isMapDone()){
                mro.mapPlan.addAsLeaf(lr);
            }
            else if(mro.isMapDone() && ! mro.isReduceDone()){
                mro.reducePlan.addAsLeaf(lr);
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Related Classes of org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange

  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.CombinerOptimizer
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.LimitAdjuster
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MergeJoinIndexer
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRUtil
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer
  • org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer
  • org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.ExpressionOperator
  • org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POProject
  • org.apache.pig.backend.hadoop.executionengine.physicalLayer.Result
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