private function deleteSimpleFromSelfAndChildren()
{
$connection = Application::getInstance()->getConnection();
$objectId = (int) $this->object->getId();
$simpleTable = SimpleRightTable::getTableName();
if ($this->object instanceof File) {
$sql = "DELETE FROM {$simpleTable} WHERE OBJECT_ID = {$objectId}";
} else {
$pathTable = ObjectPathTable::getTableName();
if ($connection instanceof MysqlCommonConnection || $connection instanceof MssqlConnection) {
$sql = "DELETE sr FROM {$simpleTable} sr\n\t\t\t\t\t\t\tJOIN {$pathTable} path ON path.OBJECT_ID = sr.OBJECT_ID\n\t\t\t\t\t\tWHERE path.PARENT_ID = {$objectId}\n\t\t\t\t";
} elseif ($connection instanceof OracleConnection) {
$sql = "DELETE FROM {$simpleTable}\n\t\t\t\t\t\tWHERE ID IN (\n\t\t\t\t\t\t\tSELECT sr.ID FROM {$simpleTable} sr\n\t\t\t\t\t\t\t\tJOIN {$pathTable} path ON path.OBJECT_ID = sr.OBJECT_ID\n\t\t\t\t\t\t\tWHERE path.PARENT_ID = {$objectId}\n\t\t\t\t\t\t)\n\t\t\t\t";
}
}
$connection->queryExecute($sql);
}
