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

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

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                    return false;
               
                if( succ instanceof LOCross ) {
                    return true;
                } else {
                    LOJoin join = (LOJoin)succ;
                    for( int i = 0; i < preds.size(); i++ ) {
                        Operator op = preds.get( i );
                        if( op == foreach ) {
                            Collection<LogicalExpressionPlan> exprs = join.getJoinPlan( i );
                            for( LogicalExpressionPlan expr : exprs ) {
                                List<ProjectExpression> projs = getProjectExpressions( expr );
                                for( ProjectExpression proj : projs ) {
                                    if( !uids.contains( proj.getFieldSchema().uid ) ) {
                                        return false;
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          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "b", null, DataType.BYTEARRAY));
          MultiMap<Integer, LogicalExpressionPlan> mm =
                new MultiMap<Integer, LogicalExpressionPlan>();
          LogicalExpressionPlan aprojplan = new LogicalExpressionPlan();
          LOJoin C = new LOJoin(lp, mm, JOINTYPE.HASH, new boolean[] {true, true});
          new ProjectExpression(aprojplan, 0, 0, C);
          LogicalExpressionPlan bprojplan = new LogicalExpressionPlan();
          new ProjectExpression(bprojplan, 1, 0, C);
          mm.put(0, aprojplan);
          mm.put(1, bprojplan);
         
          C.setAlias("C");
          lp.add(C);
          lp.connect(A, C);
          lp.connect(B, C);
       
          // D = filter
          LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
          LOFilter D = new LOFilter(lp, filterPlan);
          ProjectExpression fx = new ProjectExpression(filterPlan, 0, 0, D);
          ConstantExpression fc0 = new ConstantExpression(filterPlan, new Integer(0), new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          EqualExpression eq1 = new EqualExpression(filterPlan, fx, fc0);
          ProjectExpression fanotherx = new ProjectExpression(filterPlan, 0, 0, D);
          ProjectExpression fa = new ProjectExpression(filterPlan, 0, 2, D);
          EqualExpression eq2 = new EqualExpression(filterPlan, fanotherx, fa);
          AndExpression and1 = new AndExpression(filterPlan, eq1, eq2);
          ProjectExpression fb = new ProjectExpression(filterPlan, 0, 3, D);
          ConstantExpression fc1 = new ConstantExpression(filterPlan, new Integer(1),new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          EqualExpression eq3 = new EqualExpression(filterPlan, fb, fc1);
          AndExpression and2 = new AndExpression(filterPlan, and1, eq3);
          ProjectExpression fanotherb = new ProjectExpression(filterPlan, 0, 3, D);
          ProjectExpression fy = new ProjectExpression(filterPlan, 0, 1, D);
          EqualExpression eq4 = new EqualExpression(filterPlan, fy, fanotherb);
          new AndExpression(filterPlan, and2, eq4);
         
          D.setAlias("D");
          // Connect D to B, since the transform has happened.
          lp.add(D);
          lp.connect(C, D);
        }
       
        System.out.println(lp);
        LogicalPlanOptimizer optimizer = new LogicalPlanOptimizer(lp, 500, null);
        optimizer.optimize();
       
        LogicalPlan expected = new LogicalPlan();
        {
            // A = load
          LogicalSchema aschema = new LogicalSchema();
          aschema.addField(new LogicalSchema.LogicalFieldSchema(
              "x", null, DataType.BYTEARRAY));
          aschema.addField(new LogicalSchema.LogicalFieldSchema(
              "y", null, DataType.BYTEARRAY));
          LOLoad A = new LOLoad(new FileSpec("bla", new FuncSpec("PigStorage", "\t")), aschema, expected, null);
          expected.add(A);
         
          // DA = filter
          LogicalExpressionPlan DAfilterPlan = new LogicalExpressionPlan();
          LOFilter DA = new LOFilter(expected, DAfilterPlan);
          ProjectExpression fx = new ProjectExpression(DAfilterPlan, 0, 0, DA);
          fx.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          ConstantExpression fc0 = new ConstantExpression(DAfilterPlan, new Integer(0), new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          new EqualExpression(DAfilterPlan, fx, fc0);
         
          DA.neverUseForRealSetSchema(aschema);
          expected.add(DA);
          expected.connect(A, DA);
         
          // B = load
          LogicalSchema bschema = new LogicalSchema();
          bschema.addField(new LogicalSchema.LogicalFieldSchema(
              "a", null, DataType.BYTEARRAY));
          bschema.addField(new LogicalSchema.LogicalFieldSchema(
              "b", null, DataType.BYTEARRAY));
          LOLoad B = new LOLoad(new FileSpec("morebla", new FuncSpec("PigStorage", "\t")), bschema, expected, null);
          expected.add(B);
         
          // DB = filter
          LogicalExpressionPlan DBfilterPlan = new LogicalExpressionPlan();
            LOFilter DB = new LOFilter(expected, DBfilterPlan);
          ProjectExpression fb = new ProjectExpression(DBfilterPlan, 0, 1, DB);
          fb.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          ConstantExpression fc1 = new ConstantExpression(DBfilterPlan, new Integer(1), new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          new EqualExpression(DBfilterPlan, fb, fc1);

          DB.neverUseForRealSetSchema(bschema);
          expected.add(DB);
          expected.connect(B, DB);
         
          // C = join
          LogicalSchema cschema = new LogicalSchema();
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "D::x", null, DataType.BYTEARRAY));
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "D::y", null, DataType.BYTEARRAY));
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "null::a", null, DataType.BYTEARRAY));
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "null::b", null, DataType.BYTEARRAY));
          cschema.getField(0).uid = 1;
          cschema.getField(1).uid = 2;
          cschema.getField(2).uid = 3;
          cschema.getField(3).uid = 4;
          LogicalExpressionPlan aprojplan = new LogicalExpressionPlan();
            MultiMap<Integer, LogicalExpressionPlan> mm =
                new MultiMap<Integer, LogicalExpressionPlan>();
            LOJoin C = new LOJoin(expected, mm, JOINTYPE.HASH, new boolean[] {true, true});

          ProjectExpression x = new ProjectExpression(aprojplan, 0, 0, C);
          x.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          LogicalExpressionPlan bprojplan = new LogicalExpressionPlan();
          ProjectExpression y = new ProjectExpression(bprojplan, 1, 0, C);
          y.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          mm.put(0, aprojplan);
          mm.put(1, bprojplan);
          C.neverUseForRealSetSchema(cschema);
          expected.add(C);
          expected.connect(DA, C);
          expected.connect(DB, C);
         
          // D = filter
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        cschema.getField(0).uid = 1;
        cschema.getField(1).uid = 2;

        MultiMap<Integer, LogicalExpressionPlan> mm =
            new MultiMap<Integer, LogicalExpressionPlan>();
        LOJoin C = new LOJoin(lp, mm, JOINTYPE.HASH, new boolean[] {true, true});
       
        LogicalExpressionPlan aprojplan = new LogicalExpressionPlan();
        ProjectExpression x = new ProjectExpression(aprojplan, 0, 0, C);
        x.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null,
                DataType.INTEGER, 1));
        LogicalExpressionPlan bprojplan = new LogicalExpressionPlan();
        ProjectExpression y = new ProjectExpression(bprojplan, 1, 0, C);
        y.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null,
                DataType.INTEGER, 2));
        mm.put(0, aprojplan);
        mm.put(1, bprojplan);
       
        C.neverUseForRealSetSchema(cschema);
        // Don't add it to the plan quite yet
       
        // D = filter
        LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
        LOFilter D = new LOFilter(lp, filterPlan);
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        l2.setAlias("B");
        plan.add(l2);
       
        MultiMap<Integer, LogicalExpressionPlan> joinPlans = new MultiMap<Integer, LogicalExpressionPlan>();
       
        LogicalRelationalOperator j1 = new LOJoin(plan, joinPlans, LOJoin.JOINTYPE.HASH, new boolean[]{true, true});
        LogicalExpressionPlan p1 = new LogicalExpressionPlan();
        ProjectExpression lp1 = new ProjectExpression(p1, 0, 1, j1);
        p1.add(lp1);
        joinPlans.put(0, p1);
       
        LogicalExpressionPlan p2 = new LogicalExpressionPlan();
        ProjectExpression lp2 = new ProjectExpression(p2, 1, 1, j1);
        p2.add(lp2);
        joinPlans.put(1, p2);
       
        j1.setAlias("C");
        plan.add(j1);
       
        // build an expression with no AND
        LogicalExpressionPlan p3 = new LogicalExpressionPlan();
        LogicalRelationalOperator f1 = new LOFilter(plan, p3);
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            new ProjectExpression(bprojplan, 1, 0, null);
            MultiMap<Integer, LogicalExpressionPlan> mm =
                new MultiMap<Integer, LogicalExpressionPlan>();
            mm.put(0, aprojplan);
            mm.put(1, bprojplan);
            LOJoin C = new LOJoin(lp, mm, JOINTYPE.HASH, new boolean[] {true, true});
            C.neverUseForRealSetSchema(cschema);
            lp.add(C);
            lp.connect(A, C);
            lp.connect(B, C);
           
            // D = filter
            LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
            ProjectExpression fy = new ProjectExpression(filterPlan, 0, 1, null);
            ConstantExpression fc = new ConstantExpression(filterPlan, new Integer(0), new LogicalFieldSchema(null, null, DataType.INTEGER));
            new EqualExpression(filterPlan, fy, fc);
            LOFilter D = new LOFilter(lp, filterPlan);
            D.neverUseForRealSetSchema(cschema);
            lp.add(D);
            lp.connect(C, D);
        }
       
        // Build a second similar plan to test equality
        // A = load
        LogicalPlan lp1 = new LogicalPlan();
        {
            LogicalSchema aschema = new LogicalSchema();
            aschema.addField(new LogicalSchema.LogicalFieldSchema(
                "x", null, DataType.INTEGER));
            LOLoad A = new LOLoad(new FileSpec("/abc",
                new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "y"})), aschema, lp1, null);
            lp1.add(A);
           
            // B = load
            LogicalSchema bschema = new LogicalSchema();
            bschema.addField(new LogicalSchema.LogicalFieldSchema(
                "y", null, DataType.INTEGER));
            LOLoad B = new LOLoad(new FileSpec("/def",
                new FuncSpec("PigStorage", "\t")), bschema, lp1, null);
            lp1.add(B);
           
            // C = join
            LogicalSchema cschema = new LogicalSchema();
            cschema.addField(new LogicalSchema.LogicalFieldSchema(
                "x", null, DataType.INTEGER));
            cschema.addField(new LogicalSchema.LogicalFieldSchema(
                "y", null, DataType.INTEGER));
            LogicalExpressionPlan aprojplan = new LogicalExpressionPlan();
            new ProjectExpression(aprojplan, 0, 0, null);
            LogicalExpressionPlan bprojplan = new LogicalExpressionPlan();
            new ProjectExpression(bprojplan, 1, 0, null);
            MultiMap<Integer, LogicalExpressionPlan> mm =
                new MultiMap<Integer, LogicalExpressionPlan>();
            mm.put(0, aprojplan);
            mm.put(1, bprojplan);
            LOJoin C = new LOJoin(lp1, mm, JOINTYPE.HASH, new boolean[] {true, true});
            C.neverUseForRealSetSchema(cschema);
            lp1.add(C);
            lp1.connect(A, C);
            lp1.connect(B, C);
               
           
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        new ProjectExpression(bprojplan1, 1, 0, null);
        MultiMap<Integer, LogicalExpressionPlan> mm1 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm1.put(0, aprojplan1);
        mm1.put(1, bprojplan1);
        LOJoin C1 = new LOJoin(lp, mm1, JOINTYPE.HASH, new boolean[] {true, true});
        C1.neverUseForRealSetSchema(jcschema1);
        lp.add(C1);
        lp.connect(A1, C1);
        lp.connect(B1, C1);
       
        // A = load
        LogicalSchema jaschema2 = new LogicalSchema();
        jaschema2.addField(new LogicalSchema.LogicalFieldSchema(
           "x", null, DataType.INTEGER));
        LOLoad A2 = new LOLoad(new FileSpec("/abc",
           new FuncSpec("/fooload", new String[] {"x", "y"})), jaschema2, lp, null);
        lp.add(A2);
       
        // B = load
        LogicalSchema jbschema2 = new LogicalSchema();
        jbschema2.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LOLoad B2 = new LOLoad(new FileSpec("/def",
            new FuncSpec("PigStorage", "\t")), jbschema2, lp, null);
        lp.add(B2);
       
        // C = join
        LogicalSchema jcschema2 = new LogicalSchema();
        jcschema2.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        jcschema2.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LogicalExpressionPlan aprojplan2 = new LogicalExpressionPlan();
        new ProjectExpression(aprojplan2, 0, 0, null);
        LogicalExpressionPlan bprojplan2 = new LogicalExpressionPlan();
        new ProjectExpression(bprojplan2, 1, 0, null);
        MultiMap<Integer, LogicalExpressionPlan> mm2 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm2.put(0, aprojplan2);
        mm2.put(1, bprojplan2);
        LOJoin C2 = new LOJoin(lp, mm2, JOINTYPE.SKEWED, new boolean[] {true, true});
        C2.neverUseForRealSetSchema(jcschema2);
        lp.add(C2);
        lp.connect(A2, C2);
        lp.connect(B2, C2);
       
        assertFalse(C1.isEqual(C2));
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        new ProjectExpression(bprojplan1, 1, 0, null);
        MultiMap<Integer, LogicalExpressionPlan> mm1 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm1.put(0, aprojplan1);
        mm1.put(1, bprojplan1);
        LOJoin C1 = new LOJoin(lp, mm1, JOINTYPE.HASH, new boolean[] {true, true});
        C1.neverUseForRealSetSchema(jcschema1);
        lp.add(C1);
        lp.connect(A1, C1);
        lp.connect(B1, C1);
       
        // Test different inner status
        // A = load
        LogicalSchema jaschema3 = new LogicalSchema();
        jaschema3.addField(new LogicalSchema.LogicalFieldSchema(
           "x", null, DataType.INTEGER));
        LOLoad A3 = new LOLoad(new FileSpec("/abc",
           new FuncSpec("/fooload", new String[] {"x", "y"})), jaschema3, lp, null);
        lp.add(A3);
       
        // B = load
        LogicalSchema jbschema3 = new LogicalSchema();
        jbschema3.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LOLoad B3 = new LOLoad(new FileSpec("/def",
            new FuncSpec("PigStorage", "\t")), jbschema3, lp, null);
        lp.add(B3);
       
        // C = join
        LogicalSchema jcschema3 = new LogicalSchema();
        jcschema3.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        jcschema3.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LogicalExpressionPlan aprojplan3 = new LogicalExpressionPlan();
        new ProjectExpression(aprojplan3, 0, 0, null);
        LogicalExpressionPlan bprojplan3 = new LogicalExpressionPlan();
        new ProjectExpression(bprojplan3, 1, 0, null);
        MultiMap<Integer, LogicalExpressionPlan> mm3 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm3.put(0, aprojplan3);
        mm3.put(1, bprojplan3);
        LOJoin C3 = new LOJoin(lp, mm3, JOINTYPE.HASH, new boolean[] {true, false});
        C3.neverUseForRealSetSchema(jcschema3);
        lp.add(C3);
        lp.connect(A3, C3);
        lp.connect(B3, C3);
       
       
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        new ProjectExpression(bprojplan1, 1, 0, null);
        MultiMap<Integer, LogicalExpressionPlan> mm1 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm1.put(0, aprojplan1);
        mm1.put(1, bprojplan1);
        LOJoin C1 = new LOJoin(lp, mm1, JOINTYPE.HASH, new boolean[] {true, true});
        C1.neverUseForRealSetSchema(jcschema1);
        lp.add(C1);
        lp.connect(A1, C1);
        lp.connect(B1, C1);
        // A = load
        LogicalSchema jaschema5 = new LogicalSchema();
        jaschema5.addField(new LogicalSchema.LogicalFieldSchema(
           "x", null, DataType.INTEGER));
        LOLoad A5 = new LOLoad(new FileSpec("/abc",
           new FuncSpec("/fooload", new String[] {"x", "y"})), jaschema5, lp, null);
        lp.add(A5);
       
        // B = load
        LogicalSchema jbschema5 = new LogicalSchema();
        jbschema5.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LOLoad B5 = new LOLoad(new FileSpec("/def",
            new FuncSpec("PigStorage", "\t")), jbschema5, lp, null);
        lp.add(B5);
       
        // Beta = load
        LogicalSchema jbetaschema5 = new LogicalSchema();
        jbetaschema5.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LOLoad Beta5 = new LOLoad(new FileSpec("/ghi",
            new FuncSpec("PigStorage", "\t")), jbetaschema5, lp, null);
        lp.add(Beta5);
       
        // C = join
        LogicalSchema jcschema5 = new LogicalSchema();
        jcschema5.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        jcschema5.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LogicalExpressionPlan aprojplan5 = new LogicalExpressionPlan();
        new ProjectExpression(aprojplan5, 0, 0, null);
        LogicalExpressionPlan bprojplan5 = new LogicalExpressionPlan();
        new ProjectExpression(bprojplan5, 1, 0, null);
        LogicalExpressionPlan betaprojplan5 = new LogicalExpressionPlan();
        new ProjectExpression(betaprojplan5, 1, 0, null);
        MultiMap<Integer, LogicalExpressionPlan> mm5 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm5.put(0, aprojplan5);
        mm5.put(1, bprojplan5);
        mm5.put(2, betaprojplan5);
        LOJoin C5 = new LOJoin(lp, mm5, JOINTYPE.HASH, new boolean[] {true, true});
        C5.neverUseForRealSetSchema(jcschema5);
        lp.add(C5);
        lp.connect(A5, C5);
        lp.connect(B5, C5);
        lp.connect(Beta5, C5);
       
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        MultiMap<Integer, LogicalExpressionPlan> mm6 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm6.put(0, aprojplan6);
        mm6.put(1, bprojplan6);
        mm6.put(1, b2projplan6);
        LOJoin C6 = new LOJoin(lp, mm6, JOINTYPE.HASH, new boolean[] {true, true});
        C6.neverUseForRealSetSchema(jcschema6);
        lp.add(C6);
        lp.connect(A6, C6);
        lp.connect(B6, C6);
       
       
        LogicalSchema jaschema7 = new LogicalSchema();
        jaschema7.addField(new LogicalSchema.LogicalFieldSchema(
           "x", null, DataType.INTEGER));
        LOLoad A7 = new LOLoad(new FileSpec("/abc",
           new FuncSpec("/fooload", new String[] {"x", "y"})), jaschema7, lp, null);
        lp.add(A7);
       
        // B = load
        LogicalSchema jbschema7 = new LogicalSchema();
        jbschema7.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        jbschema7.addField(new LogicalSchema.LogicalFieldSchema(
            "z", null, DataType.LONG));
        LOLoad B7 = new LOLoad(new FileSpec("/def",
            new FuncSpec("PigStorage", "\t")), jbschema7, lp, null);
        lp.add(B7);
       
        // C = join
        LogicalSchema jcschema7 = new LogicalSchema();
        jcschema7.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        jcschema7.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LogicalExpressionPlan aprojplan7 = new LogicalExpressionPlan();
        new ProjectExpression(aprojplan7, 0, 0, null);
        LogicalExpressionPlan bprojplan7 = new LogicalExpressionPlan();
        new ProjectExpression(bprojplan7, 1, 1, null);
        LogicalExpressionPlan b2projplan7 = new LogicalExpressionPlan();
        new ProjectExpression(b2projplan7, 1, 0, null);
        MultiMap<Integer, LogicalExpressionPlan> mm7 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm7.put(0, aprojplan7);
        mm7.put(1, bprojplan7);
        mm7.put(1, b2projplan7);
        LOJoin C7 = new LOJoin(lp, mm7, JOINTYPE.HASH, new boolean[] {true, true});
        C7.neverUseForRealSetSchema(jcschema7);
        lp.add(C7);
        lp.connect(A7, C7);
        lp.connect(B7, C7);
       
        assertFalse(C6.isEqual(C7));
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        MultiMap<Integer, LogicalExpressionPlan> mm6 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm6.put(0, aprojplan6);
        mm6.put(1, bprojplan6);
        mm6.put(1, b2projplan6);
        LOJoin C6 = new LOJoin(lp, mm6, JOINTYPE.HASH, new boolean[] {true, true});
        C6.neverUseForRealSetSchema(jcschema6);
        lp.add(C6);
        lp.connect(A6, C6);
        lp.connect(B6, C6);
       
        // Test different different number of join keys
        LogicalSchema jaschema8 = new LogicalSchema();
        jaschema8.addField(new LogicalSchema.LogicalFieldSchema(
           "x", null, DataType.INTEGER));
        LOLoad A8 = new LOLoad(new FileSpec("/abc",
           new FuncSpec("/fooload", new String[] {"x", "y"})), jaschema8, lp, null);
        lp.add(A8);
       
        // B = load
        LogicalSchema jbschema8 = new LogicalSchema();
        jbschema8.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        jbschema8.addField(new LogicalSchema.LogicalFieldSchema(
            "z", null, DataType.LONG));
        LOLoad B8 = new LOLoad(new FileSpec("/def",
            new FuncSpec("PigStorage", "\t")), jbschema8, lp, null);
        lp.add(B8);
       
        // C = join
        LogicalSchema jcschema8 = new LogicalSchema();
        jcschema8.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        jcschema8.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LogicalExpressionPlan aprojplan8 = new LogicalExpressionPlan();
        new ProjectExpression(aprojplan8, 0, 0, null);
        LogicalExpressionPlan bprojplan8 = new LogicalExpressionPlan();
        new ProjectExpression(bprojplan8, 1, 0, null);
        MultiMap<Integer, LogicalExpressionPlan> mm8 =
            new MultiMap<Integer, LogicalExpressionPlan>();
        mm8.put(0, aprojplan8);
        mm8.put(1, bprojplan8);
        LOJoin C8 = new LOJoin(lp, mm8, JOINTYPE.HASH, new boolean[] {true, true});
        C8.neverUseForRealSetSchema(jcschema8);
        lp.add(C8);
        lp.connect(A8, C8);
        lp.connect(B8, C8);
       
        assertFalse(C6.isEqual(C8));
View Full Code Here
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