PlacementLangTable::deleteByApp

static function deleteByApp(int $appId) : MainDBResult
{
	$connection = MainApplication::getConnection();

	$placementLangTableName = static::getTableName();
	$placementTableName = static::getPlacementTableName();

	return $connection->query(
		'DELETE ' . $placementLangTableName . ' FROM ' . $placementLangTableName . '
		INNER JOIN ' . $placementTableName . ' ON (' . $placementTableName . '.ID = ' . $placementLangTableName . '.PLACEMENT_ID)
		WHERE b_rest_placement.APP_ID = '' . $appId . '''
	);
}