private function walkPropertyExistenceConstraint(QOM\PropertyExistenceInterface $constraint)
{
$selectorName = $constraint->getSelectorName();
$propertyName = $constraint->getPropertyName();
return sprintf('%s:*', $propertyName);
}
/**
* @param QOM\PropertyExistenceInterface $constraint
*
* @return string
*/
public function walkPropertyExistenceConstraint(QOM\PropertyExistenceInterface $constraint)
{
return $this->sqlXpathValueExists($this->getTableAlias($constraint->getSelectorName()), $constraint->getPropertyName());
}
/**
* PropertyExistence ::=
* selectorName'.'propertyName 'IS NOT NULL' |
* propertyName 'IS NOT NULL' If only one
* selector exists in
* this query
*
* Note: The negation, 'NOT x IS NOT NULL'
* can be written 'x IS NULL'
*
* @param QOM\PropertyExistenceInterface $constraint
* @return string
*/
protected function convertPropertyExistence(QOM\PropertyExistenceInterface $constraint)
{
return $this->generator->evalPropertyExistence($constraint->getSelectorName(), $constraint->getPropertyName());
}