com.metamatrix.query.validator
Class AggregateValidationVisitor

java.lang.Object
  com.metamatrix.query.sql.LanguageVisitor
      com.metamatrix.query.validator.AbstractValidationVisitor
          com.metamatrix.query.validator.AggregateValidationVisitor

public class AggregateValidationVisitor
extends AbstractValidationVisitor

Validate that all ElementSymbol and ExpressionSymbols used in the HAVING and SELECT clauses are based on symbols used in the GROUP BY clause.

Since:

4.2

Field Summary

Fields inherited from class com.metamatrix.query.validator.AbstractValidationVisitor

currentCommand

Constructor Summary

AggregateValidationVisitor(java.util.Set<Expression> groupExpressions)

Method Summary

static void	validate(LanguageObject obj, AggregateValidationVisitor visitor)
void	visit(AggregateSymbol obj)
void	visit(CaseExpression obj)
void	visit(ElementSymbol obj)
void	visit(ExpressionSymbol obj)
void	visit(Function obj)
void	visit(SearchedCaseExpression obj)

Methods inherited from class com.metamatrix.query.validator.AbstractValidationVisitor

getException, getExceptionObject, getMetadata, getReport, handleException, handleException, handleValidationError, handleValidationError, handleValidationError, isXMLCommand, reset, setMetadata, validateElementsSupport

Methods inherited from class com.metamatrix.query.sql.LanguageVisitor

setAbort, shouldAbort, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AggregateValidationVisitor

public AggregateValidationVisitor(java.util.Set<Expression> groupExpressions)

Method Detail

visit

public void visit(AggregateSymbol obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(ElementSymbol obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(ExpressionSymbol obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(CaseExpression obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(SearchedCaseExpression obj)

Overrides:

visit in class LanguageVisitor

visit

public void visit(Function obj)

Overrides:

visit in class LanguageVisitor

validate

public static void validate(LanguageObject obj,
                            AggregateValidationVisitor visitor)