Package org.apache.pig.experimental.logical.optimizer

Examples of org.apache.pig.experimental.logical.optimizer.SchemaPatcher

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    }
   
    // Test that schemas are patched up after a transform
    @Test
    public void testSchemaPatcher() throws IOException {
        SchemaPatcher patcher = new SchemaPatcher();
        patcher.transformed(lp, changedPlan);
       
        // Check that the filter now has the proper schema.
        List<Operator> roots = changedPlan.getSources();
        assertEquals(1, roots.size());
        LOFilter D = (LOFilter)roots.get(0);
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        assertEquals( 2, foreach.getInnerPlan().getSources().size() );
       
        // Run the optimizer
        MyPlanOptimizer optimizer = new MyPlanOptimizer(plan, ls, 3);
        optimizer.addPlanTransformListener(new ProjectionPatcher());
        optimizer.addPlanTransformListener(new SchemaPatcher());
        optimizer.optimize();
       
        // Test after optimization
        list = plan.getSinks();
        assertTrue( list.contains(stor) );
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        assertEquals( 2, foreach.getInnerPlan().getSources().size() );
       
        // Run the optimizer
        MyPlanOptimizer optimizer = new MyPlanOptimizer(plan, ls, 3);
        optimizer.addPlanTransformListener(new ProjectionPatcher());
        optimizer.addPlanTransformListener(new SchemaPatcher());
        optimizer.optimize();
       
        // Test after optimization
        list = plan.getSinks();
        assertTrue( list.contains(stor) );
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        assertEquals( 2, foreach.getInnerPlan().getSources().size() );
       
        // Run the optimizer
        MyPlanOptimizer optimizer = new MyPlanOptimizer(plan, ls, 3);
        optimizer.addPlanTransformListener(new ProjectionPatcher());
        optimizer.addPlanTransformListener(new SchemaPatcher());
        optimizer.optimize();
       
        // Test after optimization
        list = plan.getSinks();
        assertTrue( list.contains(stor) );
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        assertEquals( 2, foreach.getInnerPlan().getSources().size() );
       
        // Run the optimizer
        MyPlanOptimizer optimizer = new MyPlanOptimizer(plan, ls, 3);
        optimizer.addPlanTransformListener(new ProjectionPatcher());
        optimizer.addPlanTransformListener(new SchemaPatcher());
        optimizer.optimize();
       
        // Test after optimization
        list = plan.getSinks();
        assertTrue( list.contains(stor) );
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        assertEquals( 2, foreach.getInnerPlan().getSources().size() );
       
        // Run the optimizer
        MyPlanOptimizer optimizer = new MyPlanOptimizer(plan, ls, 3);
        optimizer.addPlanTransformListener(new ProjectionPatcher());
        optimizer.addPlanTransformListener(new SchemaPatcher());
        optimizer.optimize();
       
        // Test after optimization
        list = plan.getSinks();
        assertTrue( list.contains(stor) );
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        assertEquals( 2, foreach.getInnerPlan().getSources().size() );
       
        // Run the optimizer
        MyPlanOptimizer optimizer = new MyPlanOptimizer(plan, ls, 3);
        optimizer.addPlanTransformListener(new ProjectionPatcher());
        optimizer.addPlanTransformListener(new SchemaPatcher());
        optimizer.optimize();
       
        // Test after optimization
        list = plan.getSinks();
        assertTrue( list.contains(stor) );
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            printPlan((org.apache.pig.experimental.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) {
            throw new VisitorException(e);
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Related Classes of org.apache.pig.experimental.logical.optimizer.SchemaPatcher

  • org.apache.pig.experimental.plan.DependencyOrderWalker
  • org.apache.pig.test.TestExperimentalFilterAboveForeach
  • org.apache.pig.test.TestExperimentalListener
  • org.apache.pig.test.TestExperimentalPruneMapKeys
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