Package org.apache.pig.experimental.logical.expression

Examples of org.apache.pig.experimental.logical.expression.ConstantExpression

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        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);
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        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);
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        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);
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        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);
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            exprOpsMap.put(project, pe);      
            translateConnection(project, pe);                      
        }
       
        public void visit(LOConst con) throws VisitorException{
            ConstantExpression ce = new ConstantExpression(exprPlan, con.getType(), con.getValue());
           
             exprPlan.add(ce);
             exprOpsMap.put(con, ce);      
             translateConnection(con, ce);
        }
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Related Classes of org.apache.pig.experimental.logical.expression.ConstantExpression

  • org.apache.pig.experimental.logical.LogicalPlanMigrationVistor$LogicalExpPlanMigrationVistor
  • org.apache.pig.test.TestExperimentalFilterAboveForeach
  • org.apache.pig.test.TestExperimentalListener
  • org.apache.pig.test.TestExperimentalLogicalOptimizer
  • org.apache.pig.test.TestExperimentalOperatorPlan
  • java.io.IOException
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