/**
* {@inheritdoc}
*/
public function exists($x)
{
return $this->expr->exists($x);
}
public function testExistsExpr()
{
$qb = $this->_em->createQueryBuilder();
$qb->select('u')->from('User', 'u')->where('u.name = ?1');
$this->assertEquals('EXISTS(SELECT u FROM User u WHERE u.name = ?1)', (string) $this->_expr->exists($qb));
}
