Examples of LOLoad

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

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          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, lp, null);
          A.setAlias("A");
          lp.add(A);
         
          // 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, lp, null);
          B.setAlias("B");
          lp.add(B);
         
          // C = join
          LogicalSchema cschema = new LogicalSchema();
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "x", null, DataType.BYTEARRAY));
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "y", null, DataType.BYTEARRAY));
          cschema.addField(new LogicalSchema.LogicalFieldSchema(
              "a", null, DataType.BYTEARRAY));
          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);
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Examples of org.apache.pig.newplan.logical.relational.LOLoad

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    @Override
    protected OperatorPlan buildPattern() {
        // match each foreach.
        LogicalPlan plan = new LogicalPlan();
        LogicalRelationalOperator load = new LOLoad (null, null, plan, null );
        plan.add( load );
//        LogicalRelationalOperator filter = new LOFilter( plan );
//        plan.add( filter );
//        plan.connect( load, filter );
        return plan;
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Examples of org.apache.pig.newplan.logical.relational.LOLoad

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        lp = new LogicalPlan();
        LogicalSchema aschema = new LogicalSchema();
        aschema.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        aschema.getField(0).uid = 1;
        LOLoad A = new LOLoad(null, null, lp, null);
        A.neverUseForRealSetSchema(aschema);
        lp.add(A);
       
        // B = load
        LogicalSchema bschema = new LogicalSchema();
        bschema.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        bschema.getField(0).uid = 2;
        LOLoad B = new LOLoad(null, null, lp, null);
        B.neverUseForRealSetSchema(bschema);
        lp.add(B);
       
        // C = join
        LogicalSchema cschema = new LogicalSchema();
        cschema.addField(new LogicalSchema.LogicalFieldSchema(
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Examples of org.apache.pig.newplan.logical.relational.LOLoad

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            new org.apache.pig.newplan.logical.relational.LogicalPlan();
       
        LogicalSchema aschema = new LogicalSchema();     
        aschema.addField(new LogicalSchema.LogicalFieldSchema("id", null, DataType.BYTEARRAY));
        aschema.addField(new LogicalSchema.LogicalFieldSchema("d", null, DataType.BYTEARRAY));
        LOLoad load = new LOLoad(new FileSpec("/test/d.txt", new FuncSpec("org.apache.pig.builtin.PigStorage")), aschema, expected, null);
        expected.add(load);
       
        LOForEach foreach = new LOForEach(expected);
        org.apache.pig.newplan.logical.relational.LogicalPlan innerPlan = new org.apache.pig.newplan.logical.relational.LogicalPlan();
        LOInnerLoad l1 = new LOInnerLoad(innerPlan, foreach, 0);
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Examples of org.apache.pig.newplan.logical.relational.LOLoad

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        aschema3.addField(new LogicalSchema.LogicalFieldSchema("s", null, DataType.BYTEARRAY));
        aschema2.addField(new LogicalSchema.LogicalFieldSchema("t", aschema3, DataType.TUPLE));
        aschema2.setTwoLevelAccessRequired(true);
        aschema.addField(new LogicalSchema.LogicalFieldSchema("d", aschema2, DataType.BAG));       
       
        LOLoad load = new LOLoad(new FileSpec("/test/d.txt", new FuncSpec("org.apache.pig.builtin.PigStorage")), aschema, expected, null);
        expected.add(load);        
       
        LOForEach foreach2 = new LOForEach(expected);
        org.apache.pig.newplan.logical.relational.LogicalPlan innerPlan = new org.apache.pig.newplan.logical.relational.LogicalPlan();
        LOInnerLoad l1 = new LOInnerLoad(innerPlan, foreach2, 0);
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Examples of org.apache.pig.newplan.logical.relational.LOLoad

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        schema.addField(new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY));
        schema.addField(new LogicalSchema.LogicalFieldSchema("age", null, DataType.INTEGER));   
        schema.getField(0).uid = 1;
        schema.getField(1).uid = 2;
        schema.getField(2).uid = 3;
        LogicalRelationalOperator l1 = new LOLoad(null, schema, plan, null);
        l1.setAlias("A");
        plan.add(l1);

        schema = new LogicalSchema();
        schema.addField(new LogicalSchema.LogicalFieldSchema("id", null, DataType.INTEGER));
        schema.addField(new LogicalSchema.LogicalFieldSchema("dept", null, DataType.INTEGER));
        schema.addField(new LogicalSchema.LogicalFieldSchema("salary", null, DataType.FLOAT));   
        schema.getField(0).uid = 4;
        schema.getField(1).uid = 5;
        schema.getField(2).uid = 6;
        LogicalRelationalOperator l2 = new LOLoad(null, schema, plan, null);
        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});
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Examples of org.apache.pig.newplan.logical.relational.LOLoad

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    }
   
    @Test
    public void testLogicalPlanVisitor() throws FrontendException {
        LogicalPlan lp = new LogicalPlan();
        LOLoad load = new LOLoad(null, null, lp, null);
        /*lp.add((LogicalRelationalOperator)null, load,
            (LogicalRelationalOperator)null);*/
        lp.add(load);
       
        TestLogicalVisitor v = new TestLogicalVisitor(lp);
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Examples of org.apache.pig.newplan.logical.relational.LOLoad

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        LogicalPlan lp = 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, lp, null);
            lp.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, lp, null);
            lp.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(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();
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Examples of org.apache.pig.newplan.logical.relational.LOLoad

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        LogicalPlan lp = new LogicalPlan();
       
        LogicalSchema aschema1 = new LogicalSchema();
        aschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        LOLoad load1 = new LOLoad(new FileSpec("/abc",
            new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "y"})), aschema1, lp, null);
        lp.add(load1);
       
        LOLoad load2 = new LOLoad(new FileSpec("/abc",
            new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "z"})), aschema1, lp, null);
        lp.add(load2);
       
        assertFalse(load1.isEqual(load2));
    }
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Examples of org.apache.pig.newplan.logical.relational.LOLoad

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        LogicalPlan lp = new LogicalPlan();
       
        LogicalSchema aschema1 = new LogicalSchema();
        aschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        LOLoad load1 = new LOLoad(new FileSpec("/abc",
            new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "y"})), aschema1, lp, null);
        lp.add(load1);
       
        LOLoad load3 = new LOLoad(new FileSpec("/abc",
            new FuncSpec(DummyLoad.class.getName(), "x")), aschema1, lp, null);
        lp.add(load3);
       
        assertFalse(load1.isEqual(load3));
    }
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