Package org.apache.pig

Examples of org.apache.pig.FuncSpec

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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);
        innerPlan.add(l1);
        LOInnerLoad l2 = new LOInnerLoad(innerPlan, foreach2, 1);
        innerPlan.add(l2);
       
        List<LogicalExpressionPlan>  eps = new ArrayList<LogicalExpressionPlan>();
        LOGenerate gen = new LOGenerate(innerPlan, eps, new boolean[] {false, true});
        LogicalExpressionPlan p1 = new LogicalExpressionPlan();
        new ProjectExpression(p1, 0, -1, gen);
        LogicalExpressionPlan p2 = new LogicalExpressionPlan();       
        new ProjectExpression(p2, 1, -1, gen);
        eps.add(p1);
        eps.add(p2);
       
        innerPlan.add(gen);
        innerPlan.connect(l1, gen);
        innerPlan.connect(l2, gen);
       
        foreach2.setInnerPlan(innerPlan);     
        expected.add(foreach2);
               
        LOStore s = new LOStore(expected, new FileSpec("/test/empty", new FuncSpec("org.apache.pig.builtin.PigStorage")));
     
        expected.add(s);
       
        expected.connect(load, foreach2);
   
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        {
            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();
            cschema.addField(new LogicalSchema.LogicalFieldSchema(
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        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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        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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        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);
       
         // Different function names in FuncSpec
        LOLoad load4 = new LOLoad(new FileSpec("/abc",
            new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "z"})), aschema1, lp, null);
        lp.add(load4);
       
        assertFalse(load1.isEqual(load4));
    }
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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);
   
        // Different file name
        LOLoad load5 = new LOLoad(new FileSpec("/def",
            new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "z"})), aschema1, lp, null);
        lp.add(load5);
       
        assertFalse(load1.isEqual(load5));
    }
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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);
       
        // Different schema
        LogicalSchema aschema2 = new LogicalSchema();
        aschema2.addField(new LogicalSchema.LogicalFieldSchema(
            "x", null, DataType.CHARARRAY));
       
        LOLoad load6 = new LOLoad(new FileSpec("/abc",
            new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "z"})), aschema2, lp, null);
        lp.add(load6);
           
        assertFalse(load1.isEqual(load6));
    }
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    @Test
    public void testRelationalEqualityNullSchemas() throws FrontendException {
        LogicalPlan lp = new LogicalPlan();
        // Test that two loads with no schema are still equal
        LOLoad load7 = new LOLoad(new FileSpec("/abc",
            new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "y"})), null, lp, null);
        lp.add(load7);
       
        LOLoad load8 = new LOLoad(new FileSpec("/abc",
            new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "y"})), null, lp, null);
        lp.add(load8);
       
        assertTrue(load7.isEqual(load8));
    }
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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);
       
        // Test that one with schema and one without breaks equality
        LOLoad load9 = new LOLoad(new FileSpec("/abc",
            new FuncSpec(DummyLoad.class.getName(), new String[] {"x", "z"})), null, lp, null);
        lp.add(load9);
       
        assertFalse(load1.isEqual(load9));
    }
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       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);
       
        // 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);
       
        // 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);
        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(
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