/**
* Returns a database metadata object that can be used to retrieve table
* meta data from the database.
*
* @return PHPUnit_Extensions_Database_DB_IMetaData
*/
public function getMetaData()
{
if (null === $this->_metadata) {
$this->_metadata = new DoctrineMetadata($this->_conn->getSchemaManager(), $this->_conn->getDatabase());
}
return $this->_metadata;
}