Package org.apache.pig.newplan.logical.expression

Examples of org.apache.pig.newplan.logical.expression.NotExpression

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        exprOpsMap.put(binOp, ae);
    }

    public void visit(LONot uniOp) throws VisitorException {
        ExpressionOperator exp = uniOp.getOperand();
        NotExpression not = new NotExpression(exprPlan, exprOpsMap.get(exp));
        exprOpsMap.put(uniOp, not);
    }
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        assertEquals( 1, filPlan.getSources().size() );
        assertEquals( 3, filPlan.size() );
        assertEquals( 1, filPlan.getSinks().size() );
        assertEquals( NotExpression.class, filPlan.getSources().get(0).getClass() );
        NotExpression notExp = (NotExpression)filPlan.getSources().get(0);
        assertTrue( ls.getField(0).uid != notExp.getFieldSchema().uid );
        assertTrue( ls.getField(1).uid != notExp.getFieldSchema().uid );
        assertEquals( IsNullExpression.class, notExp.getExpression().getClass() );
        IsNullExpression isNull = (IsNullExpression)notExp.getExpression();
        assertTrue( ls.getField(0).uid != isNull.getFieldSchema().uid );
        assertTrue( ls.getField(1).uid != isNull.getFieldSchema().uid );
       
        assertEquals( ProjectExpression.class, isNull.getExpression().getClass() );
        ProjectExpression prj = (ProjectExpression) isNull.getExpression();
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                currentExpr = root;
            else
                currentExpr = new OrExpression(splitPlan, currentExpr, root);
        }
        // using De Morgan's law (!A && !B) == !(A || B)
        currentExpr = new NotExpression(splitPlan, currentExpr);
        op.setFilterPlan(splitPlan);
        return buildOp(loc, op, alias, inputAlias, null);
    }
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                currentExpr = root;
            else
                currentExpr = new OrExpression(splitPlan, currentExpr, root);
        }
        // using De Morgan's law (!A && !B) == !(A || B)
        currentExpr = new NotExpression(splitPlan, currentExpr);

        try {
            // Going through all the ProjectExpressions that were cloned
            // and updating the attached operators from its original
            // LOSplitOutput to to the "otherwise" LOSplitOutput
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                currentExpr = root;
            else
                currentExpr = new OrExpression(splitPlan, currentExpr, root);
        }
        // using De Morgan's law (!A && !B) == !(A || B)
        currentExpr = new NotExpression(splitPlan, currentExpr);

        try {
            // Going through all the ProjectExpressions that were cloned
            // and updating the attached operators from its original
            // LOSplitOutput to to the "otherwise" LOSplitOutput
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        assertEquals( 1, filPlan.getSources().size() );
        assertEquals( 3, filPlan.size() );
        assertEquals( 1, filPlan.getSinks().size() );
        assertEquals( NotExpression.class, filPlan.getSources().get(0).getClass() );
        NotExpression notExp = (NotExpression)filPlan.getSources().get(0);
        assertTrue( ls.getField(0).uid != notExp.getFieldSchema().uid );
        assertTrue( ls.getField(1).uid != notExp.getFieldSchema().uid );
        assertEquals( IsNullExpression.class, notExp.getExpression().getClass() );
        IsNullExpression isNull = (IsNullExpression)notExp.getExpression();
        assertTrue( ls.getField(0).uid != isNull.getFieldSchema().uid );
        assertTrue( ls.getField(1).uid != isNull.getFieldSchema().uid );
       
        assertEquals( ProjectExpression.class, isNull.getExpression().getClass() );
        ProjectExpression prj = (ProjectExpression) isNull.getExpression();
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        ConstantExpression constant4 =  new ConstantExpression(plan,  true);

        SubtractExpression sub1 = new SubtractExpression(plan, constant1, constant2);
        GreaterThanExpression gt1 = new GreaterThanExpression(plan, sub1, constant3);
        AndExpression and1 = new AndExpression(plan, gt1, constant4);
        NotExpression not1 = new NotExpression(plan, and1);

        CompilationMessageCollector collector = new CompilationMessageCollector();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, null);
        expTypeChecker.visit();


        printMessageCollector(collector);
        //printTypeGraph(plan);

        if (collector.hasError()) {
            throw new Exception("Error not expected during type checking");
        }


        // Induction check
        assertEquals(DataType.INTEGER, sub1.getType());
        assertEquals(DataType.BOOLEAN, gt1.getType());
        assertEquals(DataType.BOOLEAN, and1.getType());
        assertEquals(DataType.BOOLEAN, not1.getType());

        // Cast insertion check
        assertEquals(DataType.INTEGER, sub1.getRhs().getType());
        assertEquals(DataType.LONG, gt1.getLhs().getType());
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                currentExpr = root;
            else
                currentExpr = new OrExpression(splitPlan, currentExpr, root);
        }
        // using De Morgan's law (!A && !B) == !(A || B)
        currentExpr = new NotExpression(splitPlan, currentExpr);
        op.setFilterPlan(splitPlan);
        return buildOp(loc, op, alias, inputAlias, null);
    }
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        ConstantExpression constant4 =  new ConstantExpression(plan,  true) ;

        SubtractExpression sub1 = new SubtractExpression(plan, constant1, constant2) ;
        GreaterThanExpression gt1 = new GreaterThanExpression(plan, sub1, constant3) ;
        AndExpression and1 = new AndExpression(plan, gt1, constant4) ;
        NotExpression not1 = new NotExpression(plan, and1) ;

        CompilationMessageCollector collector = new CompilationMessageCollector() ;
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, null);
        expTypeChecker.visit();


        printMessageCollector(collector) ;
        //printTypeGraph(plan) ;

        if (collector.hasError()) {
            throw new Exception("Error not expected during type checking") ;
        }      


        // Induction check  
        assertEquals(DataType.INTEGER, sub1.getType()) ;   
        assertEquals(DataType.BOOLEAN, gt1.getType()) ;    
        assertEquals(DataType.BOOLEAN, and1.getType()) ;   
        assertEquals(DataType.BOOLEAN, not1.getType()) ;   

        // Cast insertion check    
        assertEquals(DataType.INTEGER, sub1.getRhs().getType()) ;   
        assertEquals(DataType.LONG, gt1.getLhs().getType()) ;
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        ConstantExpression constant4 =  new ConstantExpression(plan,  true);

        SubtractExpression sub1 = new SubtractExpression(plan, constant1, constant2);
        GreaterThanExpression gt1 = new GreaterThanExpression(plan, sub1, constant3);
        AndExpression and1 = new AndExpression(plan, gt1, constant4);
        NotExpression not1 = new NotExpression(plan, and1);

        CompilationMessageCollector collector = new CompilationMessageCollector();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, null);
        expTypeChecker.visit();


        printMessageCollector(collector);
        //printTypeGraph(plan);

        if (collector.hasError()) {
            throw new Exception("Error not expected during type checking");
        }


        // Induction check
        assertEquals(DataType.INTEGER, sub1.getType());
        assertEquals(DataType.BOOLEAN, gt1.getType());
        assertEquals(DataType.BOOLEAN, and1.getType());
        assertEquals(DataType.BOOLEAN, not1.getType());

        // Cast insertion check
        assertEquals(DataType.INTEGER, sub1.getRhs().getType());
        assertEquals(DataType.LONG, gt1.getLhs().getType());
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Related Classes of org.apache.pig.newplan.logical.expression.NotExpression

  • org.apache.pig.newplan.logical.LogicalExpPlanMigrationVistor
  • org.apache.pig.parser.LogicalPlanBuilder
  • org.apache.pig.parser.SourceLocation
  • org.apache.pig.test.TestNewPlanLogToPhyTranslationVisitor
  • org.apache.pig.test.TestTypeCheckingValidatorNewLP
  • org.apache.pig.impl.logicalLayer.FrontendException
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