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

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

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        AddExpression add1 = new AddExpression(plan, constant1, constant2) ;

        CompilationMessageCollector collector = new CompilationMessageCollector() ;
        LogicalRelationalOperator dummyRelOp = createDummyRelOpWithAlias();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, dummyRelOp);
        try {
            expTypeChecker.visit();       
            fail("Exception expected") ;
        }
        catch (TypeCheckerException pve) {
            String msg = "In alias dummy, incompatible types in " +
            "Add Operator left hand side:chararray right hand side:long";
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        GreaterThanExpression gt1 = new GreaterThanExpression(plan, constant1, constant2) ;
        EqualExpression equal1 = new EqualExpression(plan, gt1, constant3) ;

        CompilationMessageCollector collector = new CompilationMessageCollector() ;
        LogicalRelationalOperator dummyRelOp = createDummyRelOpWithAlias();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, dummyRelOp);
        try {
            expTypeChecker.visit();       
            fail("Exception expected") ;
        }
        catch (TypeCheckerException pve) {
            // good
        }     
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        EqualExpression equal1 = new EqualExpression(plan, cast1, constant2) ;

        CompilationMessageCollector collector = new CompilationMessageCollector() ;

        LogicalRelationalOperator dummyRelOp = createDummyRelOpWithAlias();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, dummyRelOp);
        expTypeChecker.visit();   
        printMessageCollector(collector) ;
        //printTypeGraph(plan) ;

        if (collector.hasError()) {
            throw new Exception("Error during type checking") ;
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                org.apache.pig.newplan.logical.Util.translateFieldSchema(new FieldSchema(null, castSchema, DataType.TUPLE))) ;

        EqualExpression equal1 = new EqualExpression(plan, cast1, constant2) ;
        CompilationMessageCollector collector = new CompilationMessageCollector() ;
        LogicalRelationalOperator dummyRelOp = createDummyRelOpWithAlias();
        TypeCheckingExpVisitor expTypeChecker = new TypeCheckingExpVisitor(plan, collector, dummyRelOp);
        try {
            expTypeChecker.visit();       
        }
        catch (TypeCheckerException pve) {
            fail("Exception not expected") ;
        }
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        GreaterThanExpression gt1 = new GreaterThanExpression(plan, constant1, constant2);
        EqualExpression equal1 = new EqualExpression(plan, gt1, constant3);
        NotEqualExpression nq1 = new NotEqualExpression(plan, gt1, 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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        CastExpression cast1 = new CastExpression(plan,  constant3, createFS(DataType.BYTEARRAY)) ;
        EqualExpression equal1 = new EqualExpression(plan, gt1, cast1);
        NotEqualExpression nq1 = new NotEqualExpression(plan, gt1, cast1);

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

        try {
            expTypeChecker.visit();
            fail("Exception expected");
        } catch (TypeCheckerException pve) {
            // good
        }
        printMessageCollector(collector);
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        // Before type checking its set correctly - PIG-421
//        System.out.println(DataType.findTypeName(mul1.getType())) ;
//        assertEquals(DataType.DOUBLE, mul1.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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        // Before type checking its set correctly = PIG-421
//        assertEquals(DataType.LONG, subtract1.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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        // 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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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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