Examples of org.apache.pig.test.utils.LogicalPlanTester.buildPlan()

Class org.apache.pig.test.utils.LogicalPlanTester

Examples of org.apache.pig.test.utils.LogicalPlanTester.buildPlan()

org.apache.pig.test.utils.LogicalPlanTester.buildPlan()
Build plan by the given query string (Pig script) @param query @return

        
        // with 2 foreach and filter in between
        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (id, v1, v5, v3, v4, v2);");
        lpt.buildPlan("b = foreach a generate v2, v5, v4;");
        lpt.buildPlan("c = filter b by v2 != NULL;");
        lpt.buildPlan("d = foreach c generate v5, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        newLogicalPlan = migratePlan(plan);
               
        optimizer = new MyPlanOptimizer(newLogicalPlan, 3);

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        // with 2 foreach and filter in between
        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (id, v1, v5, v3, v4, v2);");
        lpt.buildPlan("b = foreach a generate v2, v5, v4;");
        lpt.buildPlan("c = filter b by v2 != NULL;");
        lpt.buildPlan("d = foreach c generate v5, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        newLogicalPlan = migratePlan(plan);
               
        optimizer = new MyPlanOptimizer(newLogicalPlan, 3);
        optimizer.optimize();

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        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (id, v1, v5, v3, v4, v2);");
        lpt.buildPlan("b = foreach a generate v2, v5, v4;");
        lpt.buildPlan("c = filter b by v2 != NULL;");
        lpt.buildPlan("d = foreach c generate v5, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        newLogicalPlan = migratePlan(plan);
               
        optimizer = new MyPlanOptimizer(newLogicalPlan, 3);
        optimizer.optimize();

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        optimizer = new MyPlanOptimizer(newLogicalPlan, 3);
        optimizer.optimize();
        
        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (v5, v4, v2);");
        lpt.buildPlan("b = foreach a generate v2, v5, v4;");
        lpt.buildPlan("c = filter b by v2 != NULL;");
        lpt.buildPlan("d = foreach c generate v5, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        expected = migratePlan(plan);

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        optimizer = new MyPlanOptimizer(newLogicalPlan, 3);
        optimizer.optimize();
        
        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (v5, v4, v2);");
        lpt.buildPlan("b = foreach a generate v2, v5, v4;");
        lpt.buildPlan("c = filter b by v2 != NULL;");
        lpt.buildPlan("d = foreach c generate v5, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        expected = migratePlan(plan);
        assertTrue(expected.isEqual(newLogicalPlan));

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        optimizer.optimize();
        
        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (v5, v4, v2);");
        lpt.buildPlan("b = foreach a generate v2, v5, v4;");
        lpt.buildPlan("c = filter b by v2 != NULL;");
        lpt.buildPlan("d = foreach c generate v5, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        expected = migratePlan(plan);
        assertTrue(expected.isEqual(newLogicalPlan));

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        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (v5, v4, v2);");
        lpt.buildPlan("b = foreach a generate v2, v5, v4;");
        lpt.buildPlan("c = filter b by v2 != NULL;");
        lpt.buildPlan("d = foreach c generate v5, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        expected = migratePlan(plan);
        assertTrue(expected.isEqual(newLogicalPlan));
        
        // with 2 foreach after join

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        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (v5, v4, v2);");
        lpt.buildPlan("b = foreach a generate v2, v5, v4;");
        lpt.buildPlan("c = filter b by v2 != NULL;");
        lpt.buildPlan("d = foreach c generate v5, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        expected = migratePlan(plan);
        assertTrue(expected.isEqual(newLogicalPlan));
        
        // with 2 foreach after join
        lpt = new LogicalPlanTester(pc);

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        expected = migratePlan(plan);
        assertTrue(expected.isEqual(newLogicalPlan));
        
        // with 2 foreach after join
        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (id, v1, v2, v3);");
        lpt.buildPlan("b = load 'c.txt' as (id, v4, v5, v6);");
        lpt.buildPlan("c = join a by id, b by id;");       
        lpt.buildPlan("d = foreach c generate a::id, v5, v3, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        newLogicalPlan = migratePlan(plan);

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        assertTrue(expected.isEqual(newLogicalPlan));
        
        // with 2 foreach after join
        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("a = load 'd.txt' as (id, v1, v2, v3);");
        lpt.buildPlan("b = load 'c.txt' as (id, v4, v5, v6);");
        lpt.buildPlan("c = join a by id, b by id;");       
        lpt.buildPlan("d = foreach c generate a::id, v5, v3, v4;");
        plan = lpt.buildPlan("store d into 'empty';");  
        newLogicalPlan = migratePlan(plan);

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