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

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

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        assertEquals(op.getClass(), org.apache.pig.experimental.logical.relational.LOFilter.class);       
        LogicalExpressionPlan exp = ((org.apache.pig.experimental.logical.relational.LOFilter)op).getFilterPlan();
       
        AndExpression ae = (AndExpression)exp.getSources().get(0);
       
        EqualExpression eq = (EqualExpression)exp.getSuccessors(ae).get(0);
        assertEquals(eq.getLhs().getClass(), ProjectExpression.class);
        assertEquals(((ProjectExpression)eq.getLhs()).getColNum(), 0);
        assertEquals(((ProjectExpression)eq.getLhs()).getInputNum(), 0);
       
        assertEquals(eq.getRhs().getClass(), ConstantExpression.class);
       
        eq = (EqualExpression)exp.getSuccessors(ae).get(1);
        assertEquals(eq.getLhs().getClass(), ProjectExpression.class);
        assertEquals(((ProjectExpression)eq.getLhs()).getColNum(), 3);
        assertEquals(((ProjectExpression)eq.getLhs()).getInputNum(), 0);
       
        assertEquals(eq.getRhs().getClass(), ConstantExpression.class);
       
        // check store
        op = (LogicalRelationalOperator)newPlan.getSuccessors(op).get(0);
        assertEquals(op.getClass(), org.apache.pig.experimental.logical.relational.LOStore.class);
    }
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        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);
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        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);
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        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);
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        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);
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        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);
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        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);
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        public void visit(LOEqual op) throws VisitorException {   
            ExpressionOperator left = op.getLhsOperand();
            ExpressionOperator right = op.getRhsOperand();
                   
            EqualExpression eq = new EqualExpression(exprPlan, exprOpsMap.get(left), exprOpsMap.get(right));
            exprOpsMap.put(op, eq);
        }
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Related Classes of org.apache.pig.experimental.logical.expression.EqualExpression

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  • org.apache.pig.test.TestExperimentalListener
  • org.apache.pig.test.TestExperimentalLogicalOptimizer
  • org.apache.pig.test.TestExperimentalOperatorPlan
  • org.apache.pig.test.TestLogicalPlanMigrationVisitor
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