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

Examples of org.apache.pig.experimental.logical.relational.LOFilter

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        // -> filter $1 == 'joe' --> filter name == 'joe' --> stor
       
        LogicalPlan plan = null;
        LOLoad load = null;
        LOForEach foreach = null;
        LOFilter filter = null;
        LOStore stor = null;
       
        plan = new LogicalPlan();
       
        LogicalSchema schema = new LogicalSchema();
        schema.addField(new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY));
        LogicalSchema bagSchema = new LogicalSchema();
        LogicalSchema bagTupleSchema = new LogicalSchema();
        bagTupleSchema.addField( new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY) );
        bagSchema.addField( new LogicalSchema.LogicalFieldSchema( "t", bagTupleSchema, DataType.TUPLE ) );
        schema.addField(new LogicalSchema.LogicalFieldSchema("cuisines", bagSchema, DataType.BAG));
       
        load = new LOLoad(null, schema, plan);
        load.setAlias("A");
        plan.add(load);
       
        foreach = new LOForEach(plan);
       
        LogicalPlan innerPlan = new LogicalPlan();
        LOInnerLoad innerLoad = new LOInnerLoad(innerPlan, foreach, 0);
        innerPlan.add(innerLoad);
       
        LOInnerLoad innerLoad2 = new LOInnerLoad(innerPlan, foreach, 1);
        innerPlan.add(innerLoad2);
       
        LogicalExpressionPlan namePrj = new LogicalExpressionPlan();       
        ProjectExpression prjName = new ProjectExpression(namePrj, DataType.CHARARRAY, 0, 0);
        namePrj.add(prjName);
       
        LogicalExpressionPlan cuisinesPrj = new LogicalExpressionPlan();
        ProjectExpression prjCuisines = new ProjectExpression(cuisinesPrj, DataType.BAG, 1, 0);
        cuisinesPrj.add(prjCuisines);
       
        List<LogicalExpressionPlan> expPlans = new ArrayList<LogicalExpressionPlan>();
        expPlans.add(namePrj);
        expPlans.add(cuisinesPrj);
       
        boolean flatten[] = new boolean[2];
        flatten[0] = false;
        flatten[1] = true;
       
        LOGenerate generate = new LOGenerate(innerPlan, expPlans, flatten);       
        innerPlan.add(generate);
        innerPlan.connect(innerLoad, generate);
        innerPlan.connect(innerLoad2, generate);
       
        foreach.setInnerPlan(innerPlan);
        foreach.setAlias("B");
        plan.add(foreach);
       
        plan.connect(load, foreach);
       
        filter = new LOFilter(plan);
        LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
        ProjectExpression namePrj2 = new ProjectExpression(filterPlan, DataType.CHARARRAY, 0, 0);
        filterPlan.add(namePrj2);
        ConstantExpression constExp = new ConstantExpression(filterPlan, DataType.CHARARRAY, "joe");
        filterPlan.add(constExp);
        EqualExpression equal = new EqualExpression(filterPlan, namePrj2, constExp);
        filterPlan.add(equal);
       
        filter.setFilterPlan(filterPlan);
        filter.setAlias("C");
        plan.add(filter);
       
        LOFilter filter2 = new LOFilter(plan);
        LogicalExpressionPlan filter2Plan = new LogicalExpressionPlan();
        ProjectExpression name2Prj2 = new ProjectExpression(filter2Plan, DataType.CHARARRAY, 0, 1);
        filter2Plan.add(name2Prj2);
        ConstantExpression const2Exp = new ConstantExpression(filter2Plan, DataType.CHARARRAY, "joe");
        filter2Plan.add(const2Exp);
        EqualExpression equal2 = new EqualExpression(filter2Plan, namePrj2, constExp);
        filter2Plan.add(equal2);
       
        filter2.setFilterPlan(filter2Plan);
        filter2.setAlias("C1");
        plan.add(filter2);
       
        plan.connect(foreach, filter2);
        plan.connect(filter2, filter);
       
View Full Code Here
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        // -> filter name == 'joe2' --> filter name == 'joe' --> stor
       
        LogicalPlan plan = null;
        LOLoad load = null;
        LOForEach foreach = null;
        LOFilter filter = null;
        LOStore stor = null;
       
        plan = new LogicalPlan();
       
        LogicalSchema schema = new LogicalSchema();
        schema.addField(new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY));
        LogicalSchema bagSchema = new LogicalSchema();
        LogicalSchema bagTupleSchema = new LogicalSchema();
        bagTupleSchema.addField( new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY) );
        bagSchema.addField( new LogicalSchema.LogicalFieldSchema( "t", bagTupleSchema, DataType.TUPLE ) );
        schema.addField(new LogicalSchema.LogicalFieldSchema("cuisines", bagSchema, DataType.BAG));
       
        load = new LOLoad(null, schema, plan);
        load.setAlias("A");
        plan.add(load);
       
        foreach = new LOForEach(plan);
       
        LogicalPlan innerPlan = new LogicalPlan();
        LOInnerLoad innerLoad = new LOInnerLoad(innerPlan, foreach, 0);
        innerPlan.add(innerLoad);
       
        LOInnerLoad innerLoad2 = new LOInnerLoad(innerPlan, foreach, 1);
        innerPlan.add(innerLoad2);
       
        LogicalExpressionPlan namePrj = new LogicalExpressionPlan();       
        ProjectExpression prjName = new ProjectExpression(namePrj, DataType.CHARARRAY, 0, 0);
        namePrj.add(prjName);
       
        LogicalExpressionPlan cuisinesPrj = new LogicalExpressionPlan();
        ProjectExpression prjCuisines = new ProjectExpression(cuisinesPrj, DataType.BAG, 1, 0);
        cuisinesPrj.add(prjCuisines);
       
        List<LogicalExpressionPlan> expPlans = new ArrayList<LogicalExpressionPlan>();
        expPlans.add(namePrj);
        expPlans.add(cuisinesPrj);
       
        boolean flatten[] = new boolean[2];
        flatten[0] = false;
        flatten[1] = true;
       
        LOGenerate generate = new LOGenerate(innerPlan, expPlans, flatten);       
        innerPlan.add(generate);
        innerPlan.connect(innerLoad, generate);
        innerPlan.connect(innerLoad2, generate);
       
        foreach.setInnerPlan(innerPlan);
        foreach.setAlias("B");
        plan.add(foreach);
       
        plan.connect(load, foreach);
       
        filter = new LOFilter(plan);
        LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
        ProjectExpression namePrj2 = new ProjectExpression(filterPlan, DataType.CHARARRAY, 0, 0);
        filterPlan.add(namePrj2);
        ConstantExpression constExp = new ConstantExpression(filterPlan, DataType.CHARARRAY, "joe");
        filterPlan.add(constExp);
        EqualExpression equal = new EqualExpression(filterPlan, namePrj2, constExp);
        filterPlan.add(equal);
       
        filter.setFilterPlan(filterPlan);
        filter.setAlias("C");
        plan.add(filter);
       
        LOFilter filter2 = new LOFilter(plan);
        LogicalExpressionPlan filter2Plan = new LogicalExpressionPlan();
        ProjectExpression name2Prj2 = new ProjectExpression(filter2Plan, DataType.CHARARRAY, 0, 0);
        filter2Plan.add(name2Prj2);
        ConstantExpression const2Exp = new ConstantExpression(filter2Plan, DataType.CHARARRAY, "joe2");
        filter2Plan.add(const2Exp);
        EqualExpression equal2 = new EqualExpression(filter2Plan, namePrj2, constExp);
        filter2Plan.add(equal2);
       
        filter2.setFilterPlan(filter2Plan);
        filter2.setAlias("C1");
        plan.add(filter2);
       
        plan.connect(foreach, filter2);
        plan.connect(filter2, filter);
       
View Full Code Here
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        // -> filter $1 == 'joe2' --> filter $1 == 'joe' --> stor
       
        LogicalPlan plan = null;
        LOLoad load = null;
        LOForEach foreach = null;
        LOFilter filter = null;
        LOStore stor = null;
       
        plan = new LogicalPlan();
       
        LogicalSchema schema = new LogicalSchema();
        schema.addField(new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY));
        LogicalSchema bagSchema = new LogicalSchema();
        LogicalSchema bagTupleSchema = new LogicalSchema();
        bagTupleSchema.addField( new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY) );
        bagSchema.addField( new LogicalSchema.LogicalFieldSchema( "t", bagTupleSchema, DataType.TUPLE ) );
        schema.addField(new LogicalSchema.LogicalFieldSchema("cuisines", bagSchema, DataType.BAG));
       
        load = new LOLoad(null, schema, plan);
        load.setAlias("A");
        plan.add(load);
       
        foreach = new LOForEach(plan);
       
        LogicalPlan innerPlan = new LogicalPlan();
        LOInnerLoad innerLoad = new LOInnerLoad(innerPlan, foreach, 0);
        innerPlan.add(innerLoad);
       
        LOInnerLoad innerLoad2 = new LOInnerLoad(innerPlan, foreach, 1);
        innerPlan.add(innerLoad2);
       
        LogicalExpressionPlan namePrj = new LogicalExpressionPlan();       
        ProjectExpression prjName = new ProjectExpression(namePrj, DataType.CHARARRAY, 0, 0);
        namePrj.add(prjName);
       
        LogicalExpressionPlan cuisinesPrj = new LogicalExpressionPlan();
        ProjectExpression prjCuisines = new ProjectExpression(cuisinesPrj, DataType.BAG, 1, 0);
        cuisinesPrj.add(prjCuisines);
       
        List<LogicalExpressionPlan> expPlans = new ArrayList<LogicalExpressionPlan>();
        expPlans.add(namePrj);
        expPlans.add(cuisinesPrj);
       
        boolean flatten[] = new boolean[2];
        flatten[0] = false;
        flatten[1] = true;
       
        LOGenerate generate = new LOGenerate(innerPlan, expPlans, flatten);       
        innerPlan.add(generate);
        innerPlan.connect(innerLoad, generate);
        innerPlan.connect(innerLoad2, generate);
       
        foreach.setInnerPlan(innerPlan);
        foreach.setAlias("B");
        plan.add(foreach);
       
        plan.connect(load, foreach);
       
        filter = new LOFilter(plan);
        LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
        ProjectExpression namePrj2 = new ProjectExpression(filterPlan, DataType.CHARARRAY, 0, 1);
        filterPlan.add(namePrj2);
        ConstantExpression constExp = new ConstantExpression(filterPlan, DataType.CHARARRAY, "joe");
        filterPlan.add(constExp);
        EqualExpression equal = new EqualExpression(filterPlan, namePrj2, constExp);
        filterPlan.add(equal);
       
        filter.setFilterPlan(filterPlan);
        filter.setAlias("C");
        plan.add(filter);
       
        LOFilter filter2 = new LOFilter(plan);
        LogicalExpressionPlan filter2Plan = new LogicalExpressionPlan();
        ProjectExpression name2Prj2 = new ProjectExpression(filter2Plan, DataType.CHARARRAY, 0, 1);
        filter2Plan.add(name2Prj2);
        ConstantExpression const2Exp = new ConstantExpression(filter2Plan, DataType.CHARARRAY, "joe2");
        filter2Plan.add(const2Exp);
        EqualExpression equal2 = new EqualExpression(filter2Plan, namePrj2, constExp);
        filter2Plan.add(equal2);
       
        filter2.setFilterPlan(filter2Plan);
        filter2.setAlias("C1");
        plan.add(filter2);
       
        plan.connect(foreach, filter2);
        plan.connect(filter2, filter);
       
View Full Code Here
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        // -> filter $1 == 'joe' --> stor

        LogicalPlan plan = null;
        LOLoad load = null;
        LOForEach foreach = null;
        LOFilter filter = null;
        LOStore stor = null;

        plan = new LogicalPlan();

        LogicalSchema schema = new LogicalSchema();
        schema.addField(new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY));
        LogicalSchema bagSchema = new LogicalSchema();
        LogicalSchema bagTupleSchema = new LogicalSchema();
        bagTupleSchema.addField( new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY) );
        bagSchema.addField( new LogicalSchema.LogicalFieldSchema( "t", bagTupleSchema, DataType.TUPLE ) );
        schema.addField(new LogicalSchema.LogicalFieldSchema("cuisines", bagSchema, DataType.BAG));
       
        load = new LOLoad(null, schema, plan);
        load.setAlias("A");
        plan.add(load);
       
        foreach = new LOForEach(plan);
       
        LogicalPlan innerPlan = new LogicalPlan();
        LOInnerLoad innerLoad = new LOInnerLoad(innerPlan, foreach, 0);
        innerPlan.add(innerLoad);
       
        LOInnerLoad innerLoad2 = new LOInnerLoad(innerPlan, foreach, 1);
        innerPlan.add(innerLoad2);
       
        LogicalExpressionPlan namePrj = new LogicalExpressionPlan();       
        ProjectExpression prjName = new ProjectExpression(namePrj, DataType.CHARARRAY, 0, 0);
        namePrj.add(prjName);
       
        LogicalExpressionPlan cuisinesPrj = new LogicalExpressionPlan();
        ProjectExpression prjCuisines = new ProjectExpression(cuisinesPrj, DataType.BAG, 1, 0);
        cuisinesPrj.add(prjCuisines);
       
        List<LogicalExpressionPlan> expPlans = new ArrayList<LogicalExpressionPlan>();
        expPlans.add(namePrj);
        expPlans.add(cuisinesPrj);
       
        boolean flatten[] = new boolean[2];
        flatten[0] = false;
        flatten[1] = true;
       
        LOGenerate generate = new LOGenerate(innerPlan, expPlans, flatten);       
        innerPlan.add(generate);
        innerPlan.connect(innerLoad, generate);
        innerPlan.connect(innerLoad2, generate);
       
        foreach.setInnerPlan(innerPlan);
        foreach.setAlias("B");
        plan.add(foreach);
       
        plan.connect(load, foreach);
       
        filter = new LOFilter(plan);
        LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
        ProjectExpression namePrj2 = new ProjectExpression(filterPlan, DataType.CHARARRAY, 0, 1);
        filterPlan.add(namePrj2);
        ConstantExpression constExp = new ConstantExpression(filterPlan, DataType.CHARARRAY, "joe");
        filterPlan.add(constExp);
        EqualExpression equal = new EqualExpression(filterPlan, namePrj2, constExp);
        filterPlan.add(equal);
       
        filter.setFilterPlan(filterPlan);
        filter.setAlias("C");
        plan.add(filter);
       
        plan.connect(foreach, filter);
       
        stor = new LOStore(plan);
View Full Code Here
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        // -> filter name == 'joe' --> stor
       
        LogicalPlan plan = null;
        LOLoad load = null;
        LOForEach foreach = null;
        LOFilter filter = null;
        LOStore stor = null;
       
        plan = new LogicalPlan();
       
        LogicalSchema schema = new LogicalSchema();
        schema.addField(new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY));
        LogicalSchema bagSchema = new LogicalSchema();
        LogicalSchema bagTupleSchema = new LogicalSchema();
        bagTupleSchema.addField( new LogicalSchema.LogicalFieldSchema("name", null, DataType.CHARARRAY) );
        bagSchema.addField( new LogicalSchema.LogicalFieldSchema( "t", bagTupleSchema, DataType.TUPLE ) );
        schema.addField(new LogicalSchema.LogicalFieldSchema("cuisines", bagSchema, DataType.BAG));
       
        load = new LOLoad(null, schema, plan);
        load.setAlias("A");
        plan.add(load);
       
        foreach = new LOForEach(plan);
       
        LogicalPlan innerPlan = new LogicalPlan();
        LOInnerLoad innerLoad = new LOInnerLoad(innerPlan, foreach, 0);
        innerPlan.add(innerLoad);
       
        LOInnerLoad innerLoad2 = new LOInnerLoad(innerPlan, foreach, 1);
        innerPlan.add(innerLoad2);
       
        LogicalExpressionPlan namePrj = new LogicalExpressionPlan();       
        ProjectExpression prjName = new ProjectExpression(namePrj, DataType.CHARARRAY, 0, 0);
        namePrj.add(prjName);
       
        LogicalExpressionPlan cuisinesPrj = new LogicalExpressionPlan();
        ProjectExpression prjCuisines = new ProjectExpression(cuisinesPrj, DataType.BAG, 1, 0);
        cuisinesPrj.add(prjCuisines);
       
        List<LogicalExpressionPlan> expPlans = new ArrayList<LogicalExpressionPlan>();
        expPlans.add(namePrj);
        expPlans.add(cuisinesPrj);
       
        boolean flatten[] = new boolean[2];
        flatten[0] = false;
        flatten[1] = false;
       
        LOGenerate generate = new LOGenerate(innerPlan, expPlans, flatten);       
        innerPlan.add(generate);
        innerPlan.connect(innerLoad, generate);
        innerPlan.connect(innerLoad2, generate);
       
        foreach.setInnerPlan(innerPlan);
        foreach.setAlias("B");
        plan.add(foreach);
       
        plan.connect(load, foreach);
       
        filter = new LOFilter(plan);
        LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
        ProjectExpression namePrj2 = new ProjectExpression(filterPlan, DataType.CHARARRAY, 0, 0);
        filterPlan.add(namePrj2);
        ConstantExpression constExp = new ConstantExpression(filterPlan, DataType.CHARARRAY, "joe");
        filterPlan.add(constExp);
        EqualExpression equal = new EqualExpression(filterPlan, namePrj2, constExp);
        filterPlan.add(equal);
       
        filter.setFilterPlan(filterPlan);
        filter.setAlias("C");
        plan.add(filter);
       
        plan.connect(foreach, filter);
       
        stor = new LOStore(plan);
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    @Override
    protected OperatorPlan buildPattern() {       
        // the pattern that this rule looks for
        // is filter
        LogicalPlan plan = new LogicalPlan();     
        LogicalRelationalOperator op2 = new LOFilter(plan);
        plan.add(op2);
       
        return plan;
    }
View Full Code Here
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    public class SplitFilterTransformer extends Transformer {
        private OperatorSubPlan subPlan;

        @Override
        public boolean check(OperatorPlan matched) throws IOException {
            LOFilter filter = (LOFilter)matched.getSources().get(0);
            LogicalExpressionPlan cond = filter.getFilterPlan();
            LogicalExpression root = (LogicalExpression) cond.getSources().get(0);
            if (root instanceof AndExpression) {
                return true;
            }
           
View Full Code Here
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        @Override
        public void transform(OperatorPlan matched) throws IOException {
            subPlan = new OperatorSubPlan(currentPlan);
           
            // split one LOFilter into 2 by "AND"
            LOFilter filter = (LOFilter)matched.getSources().get(0);
            LogicalExpressionPlan cond = filter.getFilterPlan();
            LogicalExpression root = (LogicalExpression) cond.getSources().get(0);
            if (!(root instanceof AndExpression)) {
                return;
            }
            LogicalExpressionPlan op1 = new LogicalExpressionPlan();
            op1.add((LogicalExpression)cond.getSuccessors(root).get(0));
            fillSubPlan(cond, op1, (LogicalExpression)cond.getSuccessors(root).get(0));
           
            LogicalExpressionPlan op2 = new LogicalExpressionPlan();
            op2.add((LogicalExpression)cond.getSuccessors(root).get(1));
            fillSubPlan(cond, op2, (LogicalExpression)cond.getSuccessors(root).get(1));
           
            filter.setFilterPlan(op1);
            LOFilter filter2 = new LOFilter((LogicalPlan)currentPlan, op2);
            currentPlan.add(filter2);
           
            Operator succed = null;
            try {
                List<Operator> succeds = currentPlan.getSuccessors(filter);
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    @Override
    protected OperatorPlan buildPattern() {       
        // the pattern that this rule looks for
        // is filter operator
        LogicalPlan plan = new LogicalPlan();
        LogicalRelationalOperator op = new LOFilter(plan);
        plan.add(op);       
       
        return plan;
    }
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        private OperatorSubPlan subPlan;

        @Override
        public boolean check(OperatorPlan matched) throws IOException {          
            LOFilter filter = (LOFilter)matched.getSources().get(0);
            List<Operator> succeds = currentPlan.getSuccessors(filter);
            // if this filter is followed by another filter, we should combine them
            if (succeds != null && succeds.size() == 1) {
                if (succeds.get(0) instanceof LOFilter) {
                    return true;
View Full Code Here
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Related Classes of org.apache.pig.experimental.logical.relational.LOFilter

  • org.apache.pig.experimental.logical.rules.FilterAboveForeach
  • org.apache.pig.experimental.logical.rules.MergeFilter
  • org.apache.pig.experimental.logical.rules.MergeFilter$MergeFilterTransformer
  • org.apache.pig.experimental.logical.rules.PushUpFilter
  • org.apache.pig.experimental.logical.rules.PushUpFilter$PushUpFilterTransformer
  • org.apache.pig.experimental.logical.rules.SplitFilter
  • org.apache.pig.experimental.logical.rules.SplitFilter$SplitFilterTransformer
  • org.apache.pig.test.TestExperimentalFilterAboveForeach
  • org.apache.pig.test.TestExperimentalFilterRule
  • org.apache.pig.test.TestExperimentalListener
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