Package org.apache.pig.experimental.logical.relational

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

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                new FuncSpec("PigStorage", "\t")), bschema, lp1);
            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, DataType.INTEGER, 0, 0);
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            // 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, DataType.INTEGER, 0, 0);
            LogicalExpressionPlan bprojplan = new LogicalExpressionPlan();
            new ProjectExpression(bprojplan, DataType.INTEGER, 1, 0);
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    @Test
    public void testLoadEqualityDifferentFuncSpecCtorArgs() {
        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("foo", new String[] {"x", "y"})), aschema1, lp);
        lp.add(load1);
       
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    @Test
    public void testLoadEqualityDifferentNumFuncSpecCstorArgs() {
        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("foo", new String[] {"x", "y"})), aschema1, lp);
        lp.add(load1);
       
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    @Test
    public void testLoadEqualityDifferentFunctionNames() {
        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("foo", new String[] {"x", "y"})), aschema1, lp);
        lp.add(load1);
       
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    @Test
    public void testLoadEqualityDifferentFileName() {
        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("foo", new String[] {"x", "y"})), aschema1, lp);
        lp.add(load1);
   
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    @Test
    public void testRelationalEqualityDifferentSchema() {
        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("foo", new String[] {"x", "y"})), aschema1, lp);
        lp.add(load1);
       
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            new FuncSpec("foo", new String[] {"x", "y"})), aschema1, lp);
        lp.add(load1);
       
        // Different schema
        LogicalSchema aschema2 = new LogicalSchema();
        aschema2.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.CHARARRAY));
       
        LOLoad load6 = new LOLoad(new FileSpec("/abc",
            new FuncSpec("foo", new String[] {"x", "z"})), aschema2, lp);
        lp.add(load6);
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    @Test
    public void testRelationalEqualityOneNullOneNotNullSchema() {
        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("foo", new String[] {"x", "y"})), aschema1, lp);
        lp.add(load1);
       
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        ConstantExpression fc1 = new ConstantExpression(fp1, DataType.INTEGER,
            new Integer(0));
        new EqualExpression(fp1, fy1, fc1);
        LOFilter D1 = new LOFilter(lp, fp1);
        LogicalSchema cschema = new LogicalSchema();
        cschema.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.INTEGER));
        cschema.addField(new LogicalSchema.LogicalFieldSchema(
            "y", null, DataType.INTEGER));
        D1.neverUseForRealSetSchema(cschema);
        lp.add(D1);
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