Package org.apache.pig.newplan.logical.relational

Examples of org.apache.pig.newplan.logical.relational.LogicalPlan

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        planTester.buildPlan("B = foreach A generate $0, flatten($1), " + Identity.class.getName() + "($2) ;");
        planTester.buildPlan("C = load 'anotherfile' as (name, age, preference:(course_name, instructor));");
        planTester.buildPlan("D = cross B, C;");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("E = limit D 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );
       
        List<Operator> loads = newLogicalPlan.getSources();
        Assert.assertTrue( loads.size() == 2 );
        Assert.assertTrue( loads.get( 0 ) instanceof LOLoad );
        Assert.assertTrue( loads.get( 1 ) instanceof LOLoad );
        Operator op = null;
        if( ((LOLoad)loads.get( 0 )).getAlias().equals( "A" ) )
            op = loads.get( 0 );
        else
            op = loads.get( 1 );

        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( !OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOCross );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOLimit );
    }
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        planTester.buildPlan("B = foreach A generate $0, (int)$1, flatten( $2 );");
        planTester.buildPlan("C = load 'anotherfile' as (name, age, preference:(course_name, instructor));");
        planTester.buildPlan("D = cross B, C;");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("E = limit D 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );
       
        List<Operator> loads = newLogicalPlan.getSources();
        Assert.assertTrue( loads.size() == 2 );
        Assert.assertTrue( loads.get( 0 ) instanceof LOLoad );
        Assert.assertTrue( loads.get( 1 ) instanceof LOLoad );
        Operator op = null;
        if( ((LOLoad)loads.get( 0 )).getAlias().equals( "A" ) )
            op = loads.get( 0 );
        else
            op = loads.get( 1 );

        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( !OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOCross );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOLimit );
    }
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        planTester.buildPlan("B = foreach A generate $0, $1, flatten($2);");
        planTester.buildPlan("C = load 'anotherfile' as (name, age, preference);");
        planTester.buildPlan("D = join B by $0, C by $0 using \"replicated\";");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("E = limit D 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );

        List<Operator> loads = newLogicalPlan.getSources();
        Assert.assertTrue( loads.size() == 2 );
        Assert.assertTrue( loads.get( 0 ) instanceof LOLoad );
        Assert.assertTrue( loads.get( 1 ) instanceof LOLoad );
        Operator op = null;
        if( ((LOLoad)loads.get( 0 )).getAlias().equals( "A" ) )
            op = loads.get( 0 );
        else
            op = loads.get( 1 );

        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( !OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOJoin );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOLimit );
    }
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        planTester.buildPlan("B = load 'anotherfile' as (name, age, preference:(course_name, instructor));");
        planTester.buildPlan("C = foreach B generate $0, $1, flatten($2);");
        planTester.buildPlan("D = join A by $0, C by $0 using \"replicated\";");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("E = limit D 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );

        List<Operator> loads = newLogicalPlan.getSources();
        Assert.assertTrue( loads.size() == 2 );
        Assert.assertTrue( loads.get( 0 ) instanceof LOLoad );
        Assert.assertTrue( loads.get( 1 ) instanceof LOLoad );
        Operator op = null;
        if( ((LOLoad)loads.get( 0 )).getAlias().equals( "B" ) )
            op = loads.get( 0 );
        else
            op = loads.get( 1 );

        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( !OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOJoin );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOLimit );
    }
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        planTester.buildPlan("C = load 'anotherfile' as (name, age, preference:(course_name, instructor));");
        planTester.buildPlan("D = foreach C generate $0, $1, flatten($2);");
        planTester.buildPlan("E = join B by $0, D by $0 using \"replicated\";");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("F = limit E 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );

        // No optimization about foreach flatten.
        Assert.assertTrue( newLogicalPlan.getPredecessors( newLogicalPlan.getSinks().get( 0 ) ).get( 0 ) instanceof LOJoin );
    }
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        planTester.buildPlan("B = foreach A generate $0, $1, flatten(1);");
        planTester.buildPlan("C = load 'anotherfile' as (name, age, preference:(course_name, instructor));");
        planTester.buildPlan("D = join B by $0, C by $0 using \"replicated\";");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("E = limit D 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );
       
        List<Operator> loads = newLogicalPlan.getSources();
        Assert.assertTrue( loads.size() == 2 );
        Assert.assertTrue( loads.get( 0 ) instanceof LOLoad );
        Assert.assertTrue( loads.get( 1 ) instanceof LOLoad );
        Operator op = null;
        if( ((LOLoad)loads.get( 0 )).getAlias().equals( "A" ) )
            op = loads.get( 0 );
        else
            op = loads.get( 1 );

        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( !OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOJoin );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOLimit );
    }
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        planTester.buildPlan("B = foreach A generate $0, flatten($1), " + Identity.class.getName() + "($2) ;");
        planTester.buildPlan("C = load 'anotherfile' as (name, age, preference:(course_name, instructor));");
        planTester.buildPlan("D = join B by $0, C by $0 using \"replicated\";");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("E = limit D 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );
       
        List<Operator> loads = newLogicalPlan.getSources();
        Assert.assertTrue( loads.size() == 2 );
        Assert.assertTrue( loads.get( 0 ) instanceof LOLoad );
        Assert.assertTrue( loads.get( 1 ) instanceof LOLoad );
        Operator op = null;
        if( ((LOLoad)loads.get( 0 )).getAlias().equals( "A" ) )
            op = loads.get( 0 );
        else
            op = loads.get( 1 );

        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( !OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOJoin );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOLimit );
    }
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        planTester.buildPlan("B = foreach A generate $0, (int)$1, flatten($2);");
        planTester.buildPlan("C = load 'anotherfile' as (name, age, preference:(course_name, instructor));");
        planTester.buildPlan("D = join B by $0, C by $0 using \"replicated\";");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("E = limit D 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );
       
        List<Operator> loads = newLogicalPlan.getSources();
        Assert.assertTrue( loads.size() == 2 );
        Assert.assertTrue( loads.get( 0 ) instanceof LOLoad );
        Assert.assertTrue( loads.get( 1 ) instanceof LOLoad );
        Operator op = null;
        if( ((LOLoad)loads.get( 0 )).getAlias().equals( "A" ) )
            op = loads.get( 0 );
        else
            op = loads.get( 1 );

        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( !OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOJoin );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOLimit );
    }
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        planTester.buildPlan("B = foreach A generate $0, $1, flatten($2);");
        planTester.buildPlan("C = load 'anotherfile' as (name, age, preference:(course_name, instructor));");
        planTester.buildPlan("D = join B by $0, C by $0;");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("E = limit D 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );
       
        List<Operator> loads = newLogicalPlan.getSources();
        Assert.assertTrue( loads.size() == 2 );
        Assert.assertTrue( loads.get( 0 ) instanceof LOLoad );
        Assert.assertTrue( loads.get( 1 ) instanceof LOLoad );
        Operator op = null;
        if( ((LOLoad)loads.get( 0 )).getAlias().equals( "A" ) )
            op = loads.get( 0 );
        else
            op = loads.get( 1 );

        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( !OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOJoin );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOLimit );
    }
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        planTester.buildPlan("B = load 'anotherfile' as (name, age, preference:(course_name, instructor));");
        planTester.buildPlan("C = foreach B generate $0, $1, flatten($2);");
        planTester.buildPlan("D = join A by $0, C by $0;");
        org.apache.pig.impl.logicalLayer.LogicalPlan lp = planTester.buildPlan("E = limit D 10;");
       
        LogicalPlan newLogicalPlan = migrateAndOptimizePlan( lp );
       
        List<Operator> loads = newLogicalPlan.getSources();
        Assert.assertTrue( loads.size() == 2 );
        Assert.assertTrue( loads.get( 0 ) instanceof LOLoad );
        Assert.assertTrue( loads.get( 1 ) instanceof LOLoad );
        Operator op = null;
        if( ((LOLoad)loads.get( 0 )).getAlias().equals( "B" ) )
            op = loads.get( 0 );
        else
            op = loads.get( 1 );

        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( !OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOJoin );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOForEach );
        Assert.assertTrue( OptimizerUtils.hasFlatten( (LOForEach)op ) );
        op = newLogicalPlan.getSuccessors( op ).get( 0 );
        Assert.assertTrue( op instanceof LOLimit );
    }
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