Examples of LogicalFieldSchema

Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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            if(args != null && args.size() > 0 ){
                int pos = (Integer)((ConstantExpression)args.get(0)).getValue();
                LogicalRelationalOperator inp = (LogicalRelationalOperator)implicitReferencedOperator;

                if( inp.getSchema() != null){
                    LogicalFieldSchema inpFs = inp.getSchema().getField(pos);
                    fieldSchema = new LogicalFieldSchema(inpFs);
                    //  fieldSchema.alias = "ReadScalars_" + fieldSchema.alias;
                }else{
                    fieldSchema = new LogicalFieldSchema(null, null, DataType.BYTEARRAY);
                }
                return fieldSchema;
            }else{
                //predecessors haven't been setup, return null
                return null;
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Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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    @Override
    public LogicalSchema.LogicalFieldSchema getFieldSchema() throws FrontendException {
        if (fieldSchema!=null)
            return fieldSchema;
        LogicalExpression successor = (LogicalExpression)plan.getSuccessors(this).get(0);
        LogicalFieldSchema predFS = successor.getFieldSchema();
        if (predFS!=null) {
            if (columns.size()>1 || predFS.type==DataType.BAG) {
                LogicalSchema innerSchema = null;
                if (predFS.schema!=null) {
                    innerSchema = new LogicalSchema();
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Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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        @Override
        public void visit(LOLoad load) throws FrontendException {
            if( load.getSchema() != null ) {
                Map<Integer,Set<String>> annotation = new HashMap<Integer,Set<String>>();
                for( int i=0; i<load.getSchema().size(); i++) {
                    LogicalFieldSchema field = load.getSchema().getField(i);
                    if( inputUids.containsKey( field.uid ) ) {
                        annotation.put(i, inputUids.get( field.uid ) );
                    }
                }
                load.annotate(REQUIRED_MAPKEYS, annotation);
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Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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                List<LOInnerLoad> innerLoads = LOForEach.findReacheableInnerLoadFromBoundaryProject(this);
               
                // pull tuple information from innerload
                if (innerLoads.get(0).getProjection().getFieldSchema().schema!=null &&
                        innerLoads.get(0).getProjection().getFieldSchema().schema.isTwoLevelAccessRequired()) {
                    LogicalFieldSchema originalTupleFieldSchema = innerLoads.get(0).getProjection().getFieldSchema().schema.getField(0);
                    LogicalFieldSchema newTupleFieldSchema = new LogicalFieldSchema(originalTupleFieldSchema.alias,
                            schema, DataType.TUPLE);
                    newTupleFieldSchema.uid = originalTupleFieldSchema.uid;
                    LogicalSchema newTupleSchema = new LogicalSchema();
                    newTupleSchema.setTwoLevelAccessRequired(true);
                    newTupleSchema.addField(newTupleFieldSchema);
                    fieldSchema = new LogicalSchema.LogicalFieldSchema(alias, newTupleSchema, DataType.BAG);
                }
                else {
                    fieldSchema = new LogicalSchema.LogicalFieldSchema(alias, schema, DataType.BAG);
                }
                fieldSchema.uid = innerLoads.get(0).getProjection().getFieldSchema().uid;
            }
            else {
                if (findReferent().getSchema()!=null)
                    fieldSchema = findReferent().getSchema().getField(0);
            }
            if (fieldSchema!=null)
                uidOnlyFieldSchema = fieldSchema.mergeUid(uidOnlyFieldSchema);
        }
        else {
            if (schema == null) {
                fieldSchema = new LogicalSchema.LogicalFieldSchema(null, null, DataType.BYTEARRAY);
                uidOnlyFieldSchema = fieldSchema.mergeUid(uidOnlyFieldSchema);
            }
            else {
                int index = -1;
                if (!isProjectStar() && uidOnlyFieldSchema!=null) {
                    long uid = uidOnlyFieldSchema.uid;
                    for (int i=0;i<schema.size();i++) {
                        LogicalFieldSchema fs = schema.getField(i);
                        if (fs.uid==uid) {
                            index = i;
                        }
                    }
                }
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Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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          // 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
          LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
            LOFilter D = new LOFilter(expected, filterPlan);
          ProjectExpression fanotherx = new ProjectExpression(filterPlan, 0, 0, D);
          fanotherx.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          ProjectExpression fa = new ProjectExpression(filterPlan, 0, 2, D);
          fa.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          EqualExpression eq2 = new EqualExpression(filterPlan, fanotherx, fa);
          ProjectExpression fanotherb = new ProjectExpression(filterPlan, 0, 3, D);
          fanotherb.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          ProjectExpression fy = new ProjectExpression(filterPlan, 0, 1, D);
          fy.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null, DataType.BYTEARRAY));
          EqualExpression eq4 = new EqualExpression(filterPlan, fy, fanotherb);
          new AndExpression(filterPlan, eq2, eq4);
         
          D.neverUseForRealSetSchema(cschema);
          expected.add(D);
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Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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            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);
        ProjectExpression fy = new ProjectExpression(filterPlan, 0, 1, D);
        fy.neverUseForRealSetFieldSchema(new LogicalFieldSchema(null, null,
                DataType.INTEGER, 2));
        ConstantExpression fc = new ConstantExpression(filterPlan, new Integer(0), new LogicalFieldSchema(null, null, DataType.INTEGER));
        new EqualExpression(filterPlan, fy, fc);
       
        D.neverUseForRealSetSchema(cschema);
        // Connect D to B, since the transform has happened.
        lp.add(D);
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Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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    }
   
    @Test
    public void testBinaryOperatorOrder() throws FrontendException {
        LogicalExpressionPlan ep = new LogicalExpressionPlan();
        ConstantExpression c = new ConstantExpression(ep, new Integer(5), new LogicalFieldSchema(null, null, DataType.INTEGER));
        ProjectExpression p = new ProjectExpression(ep, 0, 0, null);
        EqualExpression e = new EqualExpression(ep, p, c);
        assertEquals(p, e.getLhs());
        assertEquals(c, e.getRhs());
       
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Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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    }
   
    @Test
    public void testExpressionPlanVisitor() throws FrontendException {
        LogicalExpressionPlan ep = new LogicalExpressionPlan();
        ConstantExpression c = new ConstantExpression(ep, new Integer(5), new LogicalFieldSchema(null, null, DataType.INTEGER));
        ProjectExpression p = new ProjectExpression(ep, 0, 0, null);
        EqualExpression e = new EqualExpression(ep, p, c);
        ConstantExpression c2 = new ConstantExpression(ep, new Boolean("true"), new LogicalFieldSchema(null, null, DataType.BOOLEAN));
        new AndExpression(ep, e, c2);
       
        TestExpressionVisitor v = new TestExpressionVisitor(ep);
        v.visit();
        assertEquals("and equal project constant constant ", v.getVisitPlan());
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Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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    }
   
    @Test
    public void testExpressionEquality() throws FrontendException {
        LogicalExpressionPlan ep1 = new LogicalExpressionPlan();
        ConstantExpression c1 = new ConstantExpression(ep1, new Integer(5), new LogicalFieldSchema(null, null, DataType.INTEGER));
        ProjectExpression p1 = new ProjectExpression(ep1, 0, 0, null);
        EqualExpression e1 = new EqualExpression(ep1, p1, c1);
        ConstantExpression ca1 = new ConstantExpression(ep1, new Boolean("true"), new LogicalFieldSchema(null, null, DataType.BOOLEAN));
        AndExpression a1 = new AndExpression(ep1, e1, ca1);
       
        LogicalExpressionPlan ep2 = new LogicalExpressionPlan();
        ConstantExpression c2 = new ConstantExpression(ep2, new Integer(5), new LogicalFieldSchema(null, null, DataType.INTEGER));
        ProjectExpression p2 = new ProjectExpression(ep2, 0, 0, null);
        EqualExpression e2 = new EqualExpression(ep2, p2, c2);
        ConstantExpression ca2 = new ConstantExpression(ep2, new Boolean("true"), new LogicalFieldSchema(null, null, DataType.BOOLEAN));
        AndExpression a2 = new AndExpression(ep2, e2, ca2);
       
        assertTrue(ep1.isEqual(ep2));
        assertTrue(c1.isEqual(c2));
        assertTrue(p1.isEqual(p2));
        assertTrue(e1.isEqual(e2));
        assertTrue(ca1.isEqual(ca2));
        assertTrue(a1.isEqual(a2));
       
        LogicalExpressionPlan ep3 = new LogicalExpressionPlan();
        ConstantExpression c3 = new ConstantExpression(ep3, new Integer(3), new LogicalFieldSchema(null, null, DataType.INTEGER));
        ProjectExpression p3 = new ProjectExpression(ep3, 0, 1, null);
        EqualExpression e3 = new EqualExpression(ep3, p3, c3);
        ConstantExpression ca3 = new ConstantExpression(ep3, "true", new LogicalFieldSchema(null, null, DataType.CHARARRAY));
        AndExpression a3 = new AndExpression(ep3, e3, ca3);
       
        assertFalse(ep1.isEqual(ep3));
        assertFalse(c1.isEqual(c3));
        assertFalse(p1.isEqual(p3));
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Examples of org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema

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            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);
               
           
            // 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(lp1, filterPlan);
            D.neverUseForRealSetSchema(cschema);
            lp1.add(D);
            lp1.connect(C, D);
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