/**
* Deletes an entity from the database
* @param $entityOrId
* @return null|object
*/
public function delete($entityOrId)
{
$query = is_object($entityOrId) ? $this->table->getDeleteSQL($entityOrId) : $this->table->getDeleteByIdSQL($entityOrId);
$this->runQuery($query);
if (!mysqli_affected_rows($this->database->getMysqli()) > 0) {
throw new \RuntimeException("Nothing was deleted, might be due to optimistic locking failure or simply that the entity no longer exists");
}
}
