Examples of org.apache.pig.newplan.optimizer.PlanOptimizer.optimize()

Package org.apache.pig.newplan.optimizer

Class org.apache.pig.newplan.optimizer.PlanOptimizer

Examples of org.apache.pig.newplan.optimizer.PlanOptimizer.optimize()

org.apache.pig.newplan.optimizer.PlanOptimizer.optimize()
Run the optimizer. This method attempts to match each of the Rules against the plan. If a Rule matches, it then calls the check method of the associated Transformer to give the it a chance to check whether it really wants to do the optimization. If that returns true as well, then Transformer.transform is called. @throws FrontendException

        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by NOT(v1 is null);");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by (v1 is not null);");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

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        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by NOT((id > 1) OR ((v1 is null) AND (id > 5)));");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by (id <= 1);");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

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        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by NOT(((id > 5) AND (v1 is null)) OR (id > 1));");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by (id <= 1);");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

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        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by ((id < 1) OR (id >= 1));");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = load 'd.txt' as (id:int, v1, v2);");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

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        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by ((id < 1) OR (id < 1));");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by (id < 1);");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

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        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by ((id < 1) AND (id < 1));");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by (id < 1);");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

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        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by ((id < 1) AND (v1 is null));");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by ((id < 1) AND (v1 is NULL));");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

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        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by NOT((id > 1) OR ((v1 is null) AND (id > 1+2*2)));");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1, v2)) by (id <= 1);");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

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        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1:int, v2)) by (((id > 5) OR (v1 < 3)) AND ((id > 4) OR (v1 > 5)));");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1:int, v2)) by (((id > 5) OR (v1 < 3)) AND ((id > 4) OR (v1 > 5)));");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

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        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1:int, v2)) by (((id > 5) OR (v1 > 3)) AND ((id > 4) OR (v1 > 5)));");
        plan = lpt.buildPlan("store b into 'empty';");
        newLogicalPlan = migratePlan(plan);


        optimizer = new MyPlanOptimizer(newLogicalPlan, 10);
        optimizer.optimize();


        lpt = new LogicalPlanTester(pc);
        lpt.buildPlan("b = filter (load 'd.txt' as (id:int, v1:int, v2)) by (((id > 5) OR (v1 > 3)) AND ((id > 4) OR (v1 > 5)));");
        plan = lpt.buildPlan("store b into 'empty';");
        expected = migratePlan(plan);

View Full Code Here

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