Package org.apache.pig.newplan.logical.visitor

Examples of org.apache.pig.newplan.logical.visitor.TypeCheckingExpVisitor

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        // Before type checking its set correctly = PIG-421
        // assertEquals(DataType.LONG, mod1.getType());

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

        //printTypeGraph(plan);

        // After type checking
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            ConstantExpression constant2 = new ConstantExpression(plan, "Regex");

            RegexExpression regex = new RegexExpression(plan, constant1, constant2);

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

            //printTypeGraph(plan);

            // After type checking
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            ConstantExpression constant2 = new ConstantExpression(plan, "Regex");

            RegexExpression regex = new RegexExpression(plan, constant1, constant2);

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

            //printTypeGraph(plan);

            // After type checking
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            ConstantExpression constant2 = new ConstantExpression(plan, "Regex");

            RegexExpression regex = new RegexExpression(plan, constant1, constant2);

            CompilationMessageCollector collector = new CompilationMessageCollector();
            TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, null);
            expTypeChecker.visit();
            printMessageCollector(collector);
        }
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        AddExpression add1 = new AddExpression(plan, constant1, constant2) ;
        CastExpression cast1 = new CastExpression(plan, constant3,  createFS(DataType.BYTEARRAY)) ;
        MultiplyExpression mul1 = new MultiplyExpression(plan, add1, cast1) ;

        CompilationMessageCollector collector = new CompilationMessageCollector() ;
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, null);
        try {
            expTypeChecker.visit();
            fail("Exception expected") ;
        }
        catch (TypeCheckerException pve) {
            // good
        }
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        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) ;
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        ModExpression mod1 = new ModExpression(plan, constant1, constant2) ;
        EqualExpression equal1 = new EqualExpression(plan, mod1, constant3) ;

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

        plan.explain(System.out, "text", true);

        printMessageCollector(collector) ;
        //printTypeGraph(plan) ;
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        DivideExpression div1 = new DivideExpression(plan, constant1, constant2) ;
        CastExpression cast1 = new CastExpression(plan, constant3, createFS(DataType.DOUBLE));
        NotEqualExpression notequal1 = new NotEqualExpression(plan, div1, cast1) ;

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

        if (collector.hasError()) {
            throw new Exception("Error during type checking") ;
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        DivideExpression div1 = new DivideExpression(plan, constant1, constant2) ;
        CastExpression cast1 = new CastExpression(plan,  constant3, createFS(DataType.BYTEARRAY)) ;
        NotEqualExpression notequal1 = new NotEqualExpression(plan, div1, cast1) ;

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

        try{
            expTypeChecker.visit();       
            fail("Exception expected") ;
        }
        catch (TypeCheckerException pve) {
            // good
        }
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        LessThanEqualExpression lesser1 = new LessThanEqualExpression(plan, constant1, constant2) ;
        BinCondExpression bincond1 = new BinCondExpression(plan, lesser1, constant3, constant4) ;

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

        if (collector.hasError()) {
            throw new Exception("Error during type checking") ;
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Related Classes of org.apache.pig.newplan.logical.visitor.TypeCheckingExpVisitor

  • org.apache.pig.EvalFunc.SchemaType
  • org.apache.pig.FuncSpec
  • org.apache.pig.impl.logicalLayer.schema.Schema
  • org.apache.pig.impl.logicalLayer.schema.Schema.FieldSchema
  • org.apache.pig.newplan.logical.expression.CastExpression
  • org.apache.pig.newplan.logical.expression.LogicalExpression
  • org.apache.pig.newplan.logical.relational.LogicalSchema
  • org.apache.pig.newplan.logical.relational.LogicalSchema.LogicalFieldSchema
  • org.apache.pig.newplan.ReverseDependencyOrderWalker
  • org.apache.pig.PigWarning
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