Package org.apache.pig.newplan

Examples of org.apache.pig.newplan.DependencyOrderWalker

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public class LogToPhyTranslationVisitor extends LogicalRelationalNodesVisitor {
    private static final Log LOG = LogFactory.getLog(LogToPhyTranslationVisitor.class);

    public LogToPhyTranslationVisitor(OperatorPlan plan) throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
        currentPlan = new PhysicalPlan();
        logToPhyMap = new HashMap<Operator, PhysicalOperator>();
        currentPlans = new LinkedList<PhysicalPlan>();
    }
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    // then the mapping is stored here
    Map<LogicalRelationalOperator, FuncSpec>  rel2InputFuncMap =
        new HashMap<LogicalRelationalOperator, FuncSpec>();
   
    public LineageFindRelVisitor(OperatorPlan plan) throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
       
    }
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*/
public class ScalarVisitor extends AllExpressionVisitor {
    private final PigContext pigContext;
   
    public ScalarVisitor(OperatorPlan plan, PigContext pigContext) throws FrontendException {
        super( plan, new DependencyOrderWalker( plan ) );
        this.pigContext = pigContext;
    }
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    }

    @Override
    protected LogicalExpressionVisitor getVisitor(final LogicalExpressionPlan exprPlan)
    throws FrontendException {
        return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {

            @Override
            public void visit(ScalarExpression expr) throws FrontendException {
                // This is a scalar udf.
                ConstantExpression filenameConst = (ConstantExpression)exprPlan.getSuccessors( expr ).get( 1 );
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*/
public class UnionOnSchemaSetter extends LogicalRelationalNodesVisitor{

    public UnionOnSchemaSetter(OperatorPlan plan)
            throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
    }
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    public CastLineageSetter(
            LogicalPlan plan,
            CompilationMessageCollector msgCollector
    )
    throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
        this.msgCollector = msgCollector;
       
        //find lineage of columns, get mapping of uid to load-functions
        LineageFindRelVisitor  lineageFinder = new LineageFindRelVisitor(plan);
        lineageFinder.visit();
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import org.apache.pig.newplan.logical.expression.ProjectExpression;

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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*/
public class ProjectStarExpander extends LogicalRelationalNodesVisitor{

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

public class SchemaAliasVisitor extends LogicalRelationalNodesVisitor {

    public SchemaAliasVisitor(OperatorPlan plan) throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
    }
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    private CompilationMessageCollector msgCollector;

    public TypeCheckingRelVisitor(OperatorPlan plan, CompilationMessageCollector msgCollector)
    throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
        this.msgCollector = msgCollector;

    }
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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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