Package org.apache.pig.newplan

Examples of org.apache.pig.newplan.OperatorPlan

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    }

    Operator buildNestedOperatorInput(SourceLocation loc, LogicalPlan innerPlan, LOForEach foreach,
            Map<String, Operator> operators, LogicalExpression expr)
    throws NonProjectExpressionException, ParserValidationException {
        OperatorPlan plan = expr.getPlan();
        Iterator<Operator> it = plan.getOperators();
        if( !( it.next() instanceof ProjectExpression ) || it.hasNext() ) {
            throw new NonProjectExpressionException( intStream, loc, expr );
        }
        Operator op = null;
        ProjectExpression projExpr = (ProjectExpression)expr;
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        next = plan.getSuccessors(next).get(0);
        Assert.assertEquals(next.getClass(), LOFilter.class);
        next = plan.getSuccessors(next).get(0);
        Assert.assertEquals(LOStore.class, next.getClass());
       
        OperatorPlan transformed = listener.getTransformed();
        Assert.assertEquals(transformed.size(), 3);
       
        // run push up filter rule
        r = new PushUpFilter("PushUpFilter");
        s = new HashSet<Rule>();
        s.add(r);
        ls = new ArrayList<Set<Rule>>();
        ls.add(s);
        optimizer = new MyPlanOptimizer(plan, ls, 3);
        listener = new MyPlanTransformListener();
        optimizer.addPlanTransformListener(listener);
        optimizer.optimize();
       
        // 2 filters should be moved up to be after each load, and one filter should remain
        next = plan.getSuccessors(load1).get(0);
        Assert.assertEquals(next.getClass(), LOFilter.class);
        Assert.assertEquals(plan.getSuccessors(next).get(0), join);
       
        next = plan.getSuccessors(load2).get(0);
        Assert.assertEquals(next.getClass(), LOFilter.class);
        Assert.assertEquals(plan.getSuccessors(next).get(0), join);
       
        next = plan.getSuccessors(join).get(0);
        Assert.assertEquals(next.getClass(), LOFilter.class);
       
        next = plan.getSuccessors(next).get(0);
        Assert.assertEquals(next.getClass(), LOStore.class);
       
        transformed = listener.getTransformed();
        Assert.assertEquals(transformed.size(), 7);
       
        // run merge filter rule
        r = new MergeFilter("MergeFilter");
        s = new HashSet<Rule>();
        s.add(r);
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        Assert.assertEquals(next.getClass(), LOFilter.class);
       
        next = plan.getSuccessors(next).get(0);
        Assert.assertEquals(next.getClass(), LOStore.class);
       
        OperatorPlan transformed = listener.getTransformed();
        Assert.assertEquals(transformed.size(), 2);
    }  
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                        for (OperatorPlan m : matches) {
                            try {
                                if (transformer.check(m)) {
                                    sawMatch = true;
                                    transformer.transform(m);
                                    OperatorPlan change = transformer.reportChanges();
                                    if (change == null) {
                                        sawMatch = false;
                                    } else if (!rule.isSkipListener()) {
                                        for(PlanTransformListener l: listeners) {
                                            l.transformed(plan, change);
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                        if (!(succ instanceof ConstantExpression)) {
                            return;
                        }
                    }
                    // All successors are constant, calculate the value
                    OperatorPlan expLogicalPlan = new LogicalExpressionPlan();
                    ((BaseOperatorPlan)currentWalker.getPlan()).moveTree(op, (BaseOperatorPlan)expLogicalPlan);
                    PhysicalPlan expPhysicalPlan = new PhysicalPlan();
                    Map<Operator, PhysicalOperator> logToPhyMap = new HashMap<Operator, PhysicalOperator>();
                    PlanWalker childWalker = new ReverseDependencyOrderWalkerWOSeenChk(expLogicalPlan);
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    private void injectForeachOperator(SourceLocation loc, LOCube op, LOForEach foreach)
        throws FrontendException {
        // connect the foreach operator with predecessors of cube operator
        List<Operator> opers = op.getPlan().getPredecessors(op);
        for (Operator oper : opers) {
            OperatorPlan foreachPlan = foreach.getPlan();
            foreachPlan.connect(oper, (Operator) foreach);
        }

        // disconnect the cube operator from the plan
        opers = foreach.getPlan().getPredecessors(foreach);
        for (Operator lop : opers) {
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    }

    Operator buildNestedOperatorInput(SourceLocation loc, LogicalPlan innerPlan, LOForEach foreach,
            Map<String, Operator> operators, LogicalExpression expr)
    throws NonProjectExpressionException, ParserValidationException {
        OperatorPlan plan = expr.getPlan();
        Iterator<Operator> it = plan.getOperators();
        if( !( it.next() instanceof ProjectExpression ) || it.hasNext() ) {
            throw new NonProjectExpressionException( intStream, loc, expr );
        }
        Operator op = null;
        ProjectExpression projExpr = (ProjectExpression)expr;
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        exprOp.setOperandType(op.getLhs().getType());
        exprOp.setLhs((ExpressionOperator) logToPhyMap.get(op.getLhs()));
        exprOp.setRhs((ExpressionOperator) logToPhyMap.get(op.getRhs()));
        OperatorPlan oPlan = op.getPlan();

        currentPlan.add(exprOp);
        logToPhyMap.put(op, exprOp);

        List<Operator> successors = oPlan.getSuccessors(op);
        if (successors == null) {
            return;
        }
        for (Operator lo : successors) {
            PhysicalOperator from = logToPhyMap.get(lo);
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        exprOp.setResultType(op.getLhs().getType());
        exprOp.setLhs((ExpressionOperator) logToPhyMap.get(op.getLhs()));
        exprOp.setRhs((ExpressionOperator) logToPhyMap.get(op.getRhs()));
        OperatorPlan oPlan = op.getPlan();

        currentPlan.add(exprOp);
        logToPhyMap.put(op, exprOp);

        List<Operator> successors = oPlan.getSuccessors(op);
        if (successors == null) {
            return;
        }
        for (Operator lo : successors) {
            PhysicalOperator from = logToPhyMap.get(lo);
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        exprOp.setResultType(op.getType());
        exprOp.setCond((ExpressionOperator) logToPhyMap.get(op.getCondition()));
        exprOp.setLhs((ExpressionOperator) logToPhyMap.get(op.getLhs()));
        exprOp.setRhs((ExpressionOperator) logToPhyMap.get(op.getRhs()));
        OperatorPlan oPlan = op.getPlan();

        currentPlan.add(exprOp);
        logToPhyMap.put(op, exprOp);

        List<Operator> successors = oPlan.getSuccessors(op);
        if (successors == null) {
            return;
        }
        for (Operator lo : successors) {
            PhysicalOperator from = logToPhyMap.get(lo);
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Related Classes of org.apache.pig.newplan.OperatorPlan

  • org.apache.pig.newplan.logical.expression.ExpToPhyTranslationVisitor
  • org.apache.pig.newplan.logical.optimizer.AllExpressionVisitor
  • org.apache.pig.newplan.logical.optimizer.SchemaResetter
  • org.apache.pig.newplan.logical.optimizer.UidResetter
  • org.apache.pig.newplan.logical.relational.MapSideMergeValidator
  • org.apache.pig.newplan.logical.rules.ConstantCalculator$ConstantCalculatorTransformer$ConstantCalculatorExpressionVisitor
  • org.apache.pig.newplan.logical.rules.DNFPlanGenerator
  • org.apache.pig.newplan.logical.rules.ImplicitSplitInserter
  • org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier$LogicalExpressionSimplifierTransformer
  • org.apache.pig.newplan.logical.visitor.LineageFindRelVisitor
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