Package org.apache.pig.impl.plan

Examples of org.apache.pig.impl.plan.ProjectionMap

542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
        String query = "foreach (load 'a') generate ($1 == '3'? $2 : $3) ;";
        LogicalPlan lp = planTester.buildPlan(query);
       
        //check that the load projection map is null
        LOLoad load = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadProjectionMap = load.getProjectionMap();
        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the foreach projection map has null mappedFields
        //and null removed fields since the input schema is null
        LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
        ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
        assertTrue(foreachProjectionMap.changes() == true);
        assertTrue(foreachProjectionMap.getMappedFields() == null);
        assertTrue(foreachProjectionMap.getRemovedFields() == null);
       
        //check that added fields contain [0]
        List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
        assertTrue(foreachAddedFields.size() == 1);
        assertTrue(foreachAddedFields.get(0) == 0);
    }
View Full Code Here
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
        planTester.buildPlan("B = load 'b';");
        LogicalPlan lp = planTester.buildPlan("foreach (cogroup A by ($1), B by ($1)) generate A, flatten(B.($1, $2, $3));");
       
        //check that the loads' projection map is null
        LOLoad loada = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);

        //check cogroup projection map
        LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
        ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
        assertTrue(cogroupProjectionMap.changes() == true);
       
        MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
        assertTrue(cogroupMapFields != null);
       
        List<ProjectionMap.Column> cogroupMapValues = (ArrayList<ProjectionMap.Column>)cogroupMapFields.get(0);
        assertTrue(cogroupMapValues.get(0).getInputColumn().first == 0);
        assertTrue(cogroupMapValues.get(0).getInputColumn().second == 1);
        assertTrue(cogroupMapValues.get(1).getInputColumn().first == 1);
        assertTrue(cogroupMapValues.get(1).getInputColumn().second == 1);
       
        //check the cogroup removed fields is null
        assertTrue(cogroupProjectionMap.getRemovedFields() == null);
       
        //check that cogroup added fields contain [1, 2]
        List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
        assertTrue(cogroupAddedFields.size() == 2);
        assertTrue(cogroupAddedFields.get(0) == 1);
        assertTrue(cogroupAddedFields.get(1) == 2);
       
        //check that the foreach projection map has non-null mappedFields
        LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
        ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
        assertTrue(foreachProjectionMap.changes() == true);
       
        MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
        assertTrue(foreachMapFields != null);
       
        List<ProjectionMap.Column> foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
        assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
        assertTrue(foreachMapValues.get(0).getInputColumn().second == 1);
       
        for(int i = 1; i < 4; ++i) {
            foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(i);
            assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
            assertTrue(foreachMapValues.get(0).getInputColumn().second == 2);
        }
       
        //check that removed fields has all the group column from the input cogroup
        List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
        assertTrue(foreachProjectionMap.getRemovedFields().size() == 1);
        Pair<Integer, Integer> removedField = foreachRemovedFields.get(0);
        assertTrue(removedField.first == 0);
        assertTrue(removedField.second == 0);
       
        //check that added fields is null
        List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
        assertTrue(foreachAddedFields == null);
    }
View Full Code Here
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
                "};" ;
        LogicalPlan lp = planTester.buildPlan(query);

        //check that the loads' projection map is null
        LOLoad loada = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);

        //check cogroup projection map
        LOCogroup cogroup = (LOCogroup)lp.getSuccessors(loada).get(0);
        ProjectionMap cogroupProjectionMap = cogroup.getProjectionMap();
        assertTrue(cogroupProjectionMap.changes() == true);
       
        MultiMap<Integer, ProjectionMap.Column> cogroupMapFields = cogroupProjectionMap.getMappedFields();
        assertTrue(cogroupMapFields != null);
       
        List<ProjectionMap.Column> cogroupMapValues = (ArrayList<ProjectionMap.Column>)cogroupMapFields.get(0);
        assertTrue(cogroupMapValues.get(0).getInputColumn().first == 0);
        assertTrue(cogroupMapValues.get(0).getInputColumn().second == 1);
        assertTrue(cogroupMapValues.get(1).getInputColumn().first == 1);
        assertTrue(cogroupMapValues.get(1).getInputColumn().second == 1);
       
        //check the cogroup removed fields is null
        assertTrue(cogroupProjectionMap.getRemovedFields() == null);
       
        //check that cogroup added fields contain [1, 2]
        List<Integer> cogroupAddedFields = cogroupProjectionMap.getAddedFields();
        assertTrue(cogroupAddedFields.size() == 2);
        assertTrue(cogroupAddedFields.get(0) == 1);
        assertTrue(cogroupAddedFields.get(1) == 2);
       
        //check that the foreach projection map has null mappedFields
        LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
        ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
        assertTrue(foreachProjectionMap.changes() == true);
       
        MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
        assertTrue(foreachMapFields != null);
       
        List<ProjectionMap.Column> foreachMapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
        assertTrue(foreachMapValues.get(0).getInputColumn().first == 0);
        assertTrue(foreachMapValues.get(0).getInputColumn().second == 1);
       
        //check that removed fields has all the columns from the input cogroup
        List<Pair<Integer, Integer>> foreachRemovedFields = foreachProjectionMap.getRemovedFields();
        assertTrue(foreachProjectionMap.getRemovedFields().size() == 2);
        Pair<Integer, Integer> removedField = foreachRemovedFields.get(0);
        assertTrue(removedField.first == 0);
        assertTrue(removedField.second == 0);
       
        removedField = foreachRemovedFields.get(1);
        assertTrue(removedField.first == 0);
        assertTrue(removedField.second == 2);

        //check that added fields contain [0]
        List<Integer> foreachAddedFields = foreachProjectionMap.getAddedFields();
        assertTrue(foreachAddedFields.size() == 1);
        assertTrue(foreachAddedFields.get(0) == 1);
    }
View Full Code Here
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
        String query = "c = cross (load 'a'), (load 'b');";
        LogicalPlan lp = planTester.buildPlan(query);

        //check that the loads' projection map is null
        LOLoad loada = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);
       
        //check cross projection map
        LOCross cross = (LOCross)lp.getSuccessors(loada).get(0);
        ProjectionMap crossProjectionMap = cross.getProjectionMap();
        assertTrue(crossProjectionMap == null);
       
    }
View Full Code Here
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
        String query = "c = union (load 'a'), (load 'b');";
        LogicalPlan lp = planTester.buildPlan(query);

        //check that the loads' projection map is null
        LOLoad loada = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);
       
        //check union projection map
        LOUnion union = (LOUnion)lp.getSuccessors(loada).get(0);
        ProjectionMap unionProjectionMap = union.getProjectionMap();
        assertTrue(unionProjectionMap == null);
       
    }
View Full Code Here
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
        String query = "c = join (load 'a') by $0, (load 'b') by $0 using \"replicated\";";
        LogicalPlan lp = planTester.buildPlan(query);

        //check that the loads' projection map is null
        LOLoad loada = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);
       
        //check frjoin projection map
        LOJoin frjoin = (LOJoin)lp.getSuccessors(loada).get(0);
        ProjectionMap frjoinProjectionMap = frjoin.getProjectionMap();
        assertTrue(frjoinProjectionMap == null);
       
    }
View Full Code Here
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
        String query = "c = join (load 'a') by $0, (load 'b') by $0;";
        LogicalPlan lp = planTester.buildPlan(query);

        //check that the loads' projection map is null
        LOLoad loada = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);
       
        //check join projection map
        LOJoin join = (LOJoin)lp.getSuccessors(loada).get(0);
        ProjectionMap joinProjectionMap = join.getProjectionMap();
        assertTrue(joinProjectionMap == null);
    }
View Full Code Here
790
791
792
793
794
795
796
797
798
799
800
801
802
803
        planTester.buildPlan("a = load 'a' as (url,hitCount);");
        LogicalPlan lp = planTester.buildPlan("b = filter a by $1 == '3';");
       
        //check that the load projection map is null
        LOLoad load = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadProjectionMap = load.getProjectionMap();
        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the filter projection map is not null
        LOFilter filter = (LOFilter)lp.getLeaves().get(0);
        ProjectionMap filterProjectionMap = filter.getProjectionMap();
        assertTrue(filterProjectionMap != null);
        assertTrue(filterProjectionMap.changes() == false);
    }
View Full Code Here
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
        planTester.buildPlan("a = load 'a' as (url, hitCount);");
        LogicalPlan lp = planTester.buildPlan("split a into b if url == '3', c if hitCount == '3';");
       
        //check that the load projection map is null
        LOLoad load = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadProjectionMap = load.getProjectionMap();
        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the split projection map has null mappedFields
        LOSplit split = (LOSplit)lp.getSuccessors(load).get(0);
        ProjectionMap splitProjectionMap = split.getProjectionMap();
        assertTrue(splitProjectionMap.changes() == false);
       
        LOSplitOutput splitb = (LOSplitOutput)lp.getSuccessors(split).get(0);
        ProjectionMap splitbProjectionMap = splitb.getProjectionMap();
        assertTrue(splitbProjectionMap.changes() == false);
       
        LOSplitOutput splitc = (LOSplitOutput)lp.getSuccessors(split).get(1);
        ProjectionMap splitcProjectionMap = splitc.getProjectionMap();
        assertTrue(splitcProjectionMap.changes() == false);
    }
View Full Code Here
831
832
833
834
835
836
837
838
839
840
841
842
843
844
        planTester.buildPlan("a = load 'a' as (url,hitCount);");
        LogicalPlan lp = planTester.buildPlan("b = order a by $1;");
       
        //check that the load projection map is null
        LOLoad load = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadProjectionMap = load.getProjectionMap();
        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the order by projection map is not null
        LOSort sort = (LOSort)lp.getLeaves().get(0);
        ProjectionMap sortProjectionMap = sort.getProjectionMap();
        assertTrue(sortProjectionMap != null);
        assertTrue(sortProjectionMap.changes() == false);
    }
View Full Code Here
TOP

Related Classes of org.apache.pig.impl.plan.ProjectionMap

  • org.apache.pig.impl.logicalLayer.LOCogroup
  • org.apache.pig.impl.logicalLayer.LOCross
  • org.apache.pig.impl.logicalLayer.LODistinct
  • org.apache.pig.impl.logicalLayer.LOFilter
  • org.apache.pig.impl.logicalLayer.LOForEach
  • org.apache.pig.impl.logicalLayer.LOFRJoin
  • org.apache.pig.impl.logicalLayer.LOJoin
  • org.apache.pig.impl.logicalLayer.LOLimit
  • org.apache.pig.impl.logicalLayer.LOLoad
  • org.apache.pig.impl.logicalLayer.LOSort
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.