public function testCanProvideIteratorAggregateAsDataSource()
{
$iteratorAggregate = $this->getMock('IteratorAggregate', array('getIterator'), array(new SplStack()));
$iteratorAggregate->expects($this->any())->method('getIterator')->will($this->returnValue($iteratorAggregate));
$this->resultSet->initialize($iteratorAggregate);
$this->assertSame($iteratorAggregate->getIterator(), $this->resultSet->getDataSource());
}
/**
* Fetch One
*
* @param mixed $query (\Zend\Db\Sql\*|string) Query
* @param mixed $parameters Parameters
*
* @return mixed
*/
public function fetchOne($query, $parameters = null)
{
if ($query instanceof ResultSet) {
$resultSet = $query;
} else {
$resultSet = new ResultSet();
$resultSet->initialize($this->execute($query, $parameters));
}
$result = $resultSet->getDataSource()->getResource()->fetchColumn();
$resultSet->getDataSource()->getResource()->closeCursor();
return $result;
}
/**
* @param Zend\Db\ResultSet
*/
public static function getSqlForResult(ResultSet $result)
{
return $result->getDataSource()->getResource()->queryString;
}
/**
* Get the data source used to create the result set
*
* @return null|Iterator
*/
public function getDataSource()
{
return $this->zfResultSet->getDataSource();
}