Package org.apache.pig.newplan

Examples of org.apache.pig.newplan.DependencyOrderWalker

1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
                    }
                }

                // visit expression associated with currOp. If it refers to any other operator
                // that operator is also going to be enqueued.
                currOp.accept( new AllExpressionVisitor( plan, new DependencyOrderWalker( plan ) ) {
                        @Override
                        protected LogicalExpressionVisitor getVisitor(LogicalExpressionPlan exprPlan)
                        throws FrontendException {
                            return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {
                                @Override
                                public void visit(ScalarExpression expr) throws FrontendException {
                                    Operator refOp = expr.getImplicitReferencedOperator();
                                    if( !queue.contains( refOp ) )
                                        queue.add( refOp );
View Full Code Here
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
                    }
                }

                // visit expression associated with currOp. If it refers to any other operator
                // that operator is also going to be enqueued.
                currOp.accept( new AllExpressionVisitor( plan, new DependencyOrderWalker( plan ) ) {
                        @Override
                        protected LogicalExpressionVisitor getVisitor(LogicalExpressionPlan exprPlan)
                        throws FrontendException {
                            return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {
                                @Override
                                public void visit(ScalarExpression expr) throws FrontendException {
                                    Operator refOp = expr.getImplicitReferencedOperator();
                                    if( !queue.contains( refOp ) )
                                        queue.add( refOp );
View Full Code Here
92
93
94
95
96
97
98
99
        }

        public static class ConstantCalculatorLogicalPlanVisitor extends AllExpressionVisitor {
            private PigContext pc;
            public ConstantCalculatorLogicalPlanVisitor(OperatorPlan plan, PigContext pc) throws FrontendException {
                super(plan, new DependencyOrderWalker(plan));
                this.pc = pc;
            }
View Full Code Here
79
80
81
82
83
84
85
    // 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);
    }
View Full Code Here
99
100
101
102
103
104
105
106
107
108
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>();
    }
View Full Code Here
94
95
96
97
98
99
100
101
        new HashMap<LogicalRelationalOperator, FuncSpec>();

    Map<FuncSpec, Class> func2casterMap = new HashMap<FuncSpec, Class>();
   
    public LineageFindRelVisitor(OperatorPlan plan) throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
       
    }
View Full Code Here
63
64
65
66
67
68
69
*/
public class ProjectStarExpander extends LogicalRelationalNodesVisitor{

    public ProjectStarExpander(OperatorPlan plan)
    throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
    }
View Full Code Here
39
40
41
42
43
44
45
* indexes, using the underlying anonymous expression plan visitor.
*/
public class ColumnAliasConversionVisitor extends AllExpressionVisitor {
 
    public ColumnAliasConversionVisitor(OperatorPlan plan) throws FrontendException {
        super( plan, new DependencyOrderWalker( plan ) );
    }
View Full Code Here
45
46
47
48
49
50
51
52
53
54
55
    }

    @Override
    protected LogicalExpressionVisitor getVisitor(LogicalExpressionPlan exprPlan)
    throws FrontendException {
        return new LogicalExpressionVisitor( exprPlan, new DependencyOrderWalker( exprPlan ) ) {
            @Override
            public void visit(ProjectExpression expr) throws FrontendException {
                expr.setColumnNumberFromAlias();
            }
View Full Code Here
39
40
41
42
43
44
45

public class ImplicitSplitInsertVisitor extends AllSameRalationalNodesVisitor {

    public ImplicitSplitInsertVisitor(LogicalPlan plan) throws FrontendException {
        super(plan, new DependencyOrderWalker(plan));
    }
View Full Code Here
TOP

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
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.