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

Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.addField()

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        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);
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        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");
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    @Test
    public void testJoinDifferentNumInputs() throws FrontendException {
        LogicalPlan lp = new LogicalPlan();
               LogicalSchema jaschema1 = new LogicalSchema();
       jaschema1.addField(new LogicalSchema.LogicalFieldSchema(
           "x", null, DataType.INTEGER));
       LOLoad A1 = new LOLoad(new FileSpec("/abc",
           new FuncSpec("/fooload", new String[] {"x", "y"})), jaschema1, lp, null);
       lp.add(A1);
       
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           new FuncSpec("/fooload", new String[] {"x", "y"})), jaschema1, lp, null);
       lp.add(A1);
       
        // B = load
        LogicalSchema jbschema1 = new LogicalSchema();
        jbschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LOLoad B1 = new LOLoad(new FileSpec("/def",
            new FuncSpec("PigStorage", "\t")), jbschema1, lp, null);
        lp.add(B1);
       
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            new FuncSpec("PigStorage", "\t")), jbschema1, lp, null);
        lp.add(B1);
       
        // C = join
        LogicalSchema jcschema1 = new LogicalSchema();
        jcschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        jcschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LogicalExpressionPlan aprojplan1 = new LogicalExpressionPlan();
        new ProjectExpression(aprojplan1, 0, 0, null);
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        // C = join
        LogicalSchema jcschema1 = new LogicalSchema();
        jcschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        jcschema1.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        LogicalExpressionPlan aprojplan1 = new LogicalExpressionPlan();
        new ProjectExpression(aprojplan1, 0, 0, null);
        LogicalExpressionPlan bprojplan1 = new LogicalExpressionPlan();
        new ProjectExpression(bprojplan1, 1, 0, null);
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        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);
       
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           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);
       
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            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);
       
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            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);
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