Package org.apache.pig.newplan.logical.optimizer

Examples of org.apache.pig.newplan.logical.optimizer.ProjectionPatcher$ProjectionFinder

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        protected MyPlanOptimizer(OperatorPlan p, List<Set<Rule>> rs,
                int iterations) {
            super(p, rs, iterations);           
            addPlanTransformListener(new SchemaPatcher());
            addPlanTransformListener(new ProjectionPatcher());
        }
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    }
   
    // Test that projections are patched up after a transform
    @Test
    public void testProjectionPatcher() throws FrontendException {
        ProjectionPatcher patcher = new ProjectionPatcher();
        patcher.transformed(lp, changedPlan);
       
        // Check that the projections in filter are now set properly
        List<Operator> roots = changedPlan.getSources();
        assertEquals(1, roots.size());
        LOFilter D = (LOFilter)roots.get(0);
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        protected MyPlanOptimizer(OperatorPlan p, List<Set<Rule>> rs,
                int iterations) {
            super(p, rs, iterations);           
            addPlanTransformListener(new SchemaPatcher());
            addPlanTransformListener(new ProjectionPatcher());
        }
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    public class MyPlanOptimizerWithPruning extends LogicalPlanOptimizer {
        protected MyPlanOptimizerWithPruning (OperatorPlan p,  int iterations) {
            super(p, iterations, new HashSet<String>());
            addPlanTransformListener(new SchemaPatcher());
            addPlanTransformListener(new ProjectionPatcher());
        }
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        protected MyPlanOptimizer(OperatorPlan p, List<Set<Rule>> rs,
                int iterations) {
            super(p, rs, iterations);           
            addPlanTransformListener(new SchemaPatcher());
            addPlanTransformListener(new ProjectionPatcher());
        }
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    public class MyPlanOptimizerWithPruning extends LogicalPlanOptimizer {
        protected MyPlanOptimizerWithPruning (OperatorPlan p,  int iterations) {
            super(p, iterations, new HashSet<String>());
            addPlanTransformListener(new SchemaPatcher());
            addPlanTransformListener(new ProjectionPatcher());
        }
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        protected MyPlanOptimizer(OperatorPlan p, List<Set<Rule>> rs,
                int iterations) {
            super(p, rs, iterations);           
            addPlanTransformListener(new SchemaPatcher());
            addPlanTransformListener(new ProjectionPatcher());
        }
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    }

    // Test that projections are patched up after a transform
    @Test
    public void testProjectionPatcher() throws FrontendException {
        ProjectionPatcher patcher = new ProjectionPatcher();
        patcher.transformed(lp, changedPlan);

        // Check that the projections in filter are now set properly
        List<Operator> roots = changedPlan.getSources();
        assertEquals(1, roots.size());
        LOFilter D = (LOFilter)roots.get(0);
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        printPlan((org.apache.pig.newplan.logical.relational.LogicalPlan)newPlan);

        // Run the optimizer
        MyPlanOptimizer optimizer = new MyPlanOptimizer(newPlan, ls, 3);
        optimizer.addPlanTransformListener(new ProjectionPatcher());
        optimizer.addPlanTransformListener(new SchemaPatcher());
        optimizer.optimize();

        return newPlan;
    }
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            printPlan((org.apache.pig.newplan.logical.relational.LogicalPlan)newPlan);
           
            // Run the optimizer
            MyPlanOptimizer optimizer = new MyPlanOptimizer(newPlan, ls, 3);
            optimizer.addPlanTransformListener(new ProjectionPatcher());
            optimizer.addPlanTransformListener(new SchemaPatcher());
            optimizer.optimize();
           
            return newPlan;
        }catch(Exception e) {
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Related Classes of org.apache.pig.newplan.logical.optimizer.ProjectionPatcher$ProjectionFinder

  • org.apache.pig.experimental.plan.DependencyOrderWalker
  • org.apache.pig.newplan.DependencyOrderWalker
  • org.apache.pig.newplan.DepthFirstWalker
  • org.apache.pig.newplan.logical.relational.LogicalRelationalOperator
  • org.apache.pig.newplan.logical.relational.LogicalSchema
  • org.apache.pig.test.TestNewPlanFilterRule$MyPlanOptimizer
  • org.apache.pig.test.TestNewPlanListener
  • org.apache.pig.test.TestNewPlanPruneMapKeys
  • org.apache.pig.test.TestNewPlanPushDownForeachFlatten$MyPlanOptimizerWithPruning
  • org.apache.pig.impl.logicalLayer.FrontendException
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