Package org.apache.pig.newplan

Examples of org.apache.pig.newplan.DependencyOrderWalker

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import org.apache.pig.impl.util.Utils;

public class LogToPhyTranslationVisitor extends LogicalRelationalNodesVisitor {
   
    public LogToPhyTranslationVisitor(OperatorPlan plan) throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
        currentPlan = new PhysicalPlan();
        logToPhyMap = new HashMap<Operator, PhysicalOperator>();
        currentPlans = new Stack<PhysicalPlan>();
    }
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    // This value points to the current LogicalRelationalOperator we are working on
    protected LogicalRelationalOperator currentOp;
   
    public ExpToPhyTranslationVisitor(OperatorPlan plan, LogicalRelationalOperator op, PhysicalPlan phyPlan,
            Map<Operator, PhysicalOperator> map) throws FrontendException {
        this(plan, new DependencyOrderWalker(plan), op, phyPlan, map);
    }
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    }
   
    public static class SortInfoSetter extends LogicalRelationalNodesVisitor {

        public SortInfoSetter(OperatorPlan plan) throws FrontendException {
            super(plan, new DependencyOrderWalker(plan));
        }
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import org.apache.pig.newplan.logical.relational.LogicalRelationalNodesVisitor;

public class SchemaResetter extends LogicalRelationalNodesVisitor {

    public SchemaResetter(OperatorPlan plan) throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
    }
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    }
   
    public static class ProjectionFinder extends AllExpressionVisitor {

        public ProjectionFinder(OperatorPlan plan) throws FrontendException {
            super(plan, new DependencyOrderWalker(plan));
        }
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        static class MapExprMarker extends LogicalExpressionVisitor {

            Map<Long,Set<String>> inputUids = null;
           
            protected MapExprMarker(OperatorPlan p) throws FrontendException {
                super(p, new DependencyOrderWalker(p));
                inputUids = new HashMap<Long,Set<String>>();
            }
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    static public class FullMapCollector extends AllExpressionVisitor {
        Set<Long> fullMapUids = new HashSet<Long>();

        protected FullMapCollector(OperatorPlan plan, Set<Long> fullMapUids) throws FrontendException {
            super(plan, new DependencyOrderWalker(plan));
            this.fullMapUids = fullMapUids;
        }
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        static class FullMapExpCollector extends LogicalExpressionVisitor {
            Set<Long> fullMapUids = new HashSet<Long>();
            protected FullMapExpCollector(OperatorPlan plan, Set<Long> fullMapUids)
                    throws FrontendException {
                super(plan, new DependencyOrderWalker(plan));
                this.fullMapUids = fullMapUids;
            }
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import org.apache.pig.newplan.logical.relational.LogicalRelationalNodesVisitor;

public class UidResetter extends LogicalRelationalNodesVisitor {

    public UidResetter(OperatorPlan plan) throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
    }
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        plan.connect(fred, joe);
        plan.connect(joe, bob);
       
        SillyVisitor v =
            new SillyVisitor(plan, new DependencyOrderWalker(plan));
       
        v.visit();
       
        String s = v.getVisitPattern();
       
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Related Classes of org.apache.pig.newplan.DependencyOrderWalker

  • org.apache.pig.backend.hadoop.executionengine.HExecutionEngine$SortInfoSetter
  • org.apache.pig.newplan.logical.expression.ExpToPhyTranslationVisitor
  • org.apache.pig.newplan.logical.optimizer.DanglingNestedNodeRemover
  • org.apache.pig.newplan.logical.optimizer.ProjectionPatcher$ProjectionFinder
  • org.apache.pig.newplan.logical.optimizer.SchemaResetter
  • org.apache.pig.newplan.logical.optimizer.UidResetter
  • org.apache.pig.newplan.logical.relational.LogToPhyTranslationVisitor
  • org.apache.pig.newplan.logical.rules.ConstantCalculator$ConstantCalculatorTransformer$ConstantCalculatorLogicalPlanVisitor
  • org.apache.pig.newplan.logical.rules.MapKeysPruneHelper$FullMapCollector
  • org.apache.pig.newplan.logical.rules.MapKeysPruneHelper$FullMapCollector$FullMapExpCollector
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