Joomla 3.9 и MySQL prepare - Joomla 3.x: Общие вопросы

SET @preparedStatement = (SELECT IF(
  (
    SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
    WHERE
      (TABLE_NAME = '#__users')
      AND (COLUMN_NAME = 'Data_Start')
  ) = 1,
  'SELECT 1',
  CONCAT("ALTER TABLE `#__users`
	ADD COLUMN `Data_Start` DATE  COMMENT '...' AFTER `requireReset`,
	ADD COLUMN `Data_End` DATE  COMMENT '..' AFTER `Data_Start`,
	ADD COLUMN `Count_Of_Device` INT DEFAULT '2' COMMENT '..' AFTER `Data_End`,
	ADD COLUMN `Device_Code` TEXT  COMMENT '......' AFTER `Count_Of_Device`,
	ADD COLUMN `prizvyshche` VARCHAR(255)  COMMENT '..' AFTER `Device_Code`,
	ADD COLUMN `pobatkovi` VARCHAR(255)  COMMENT '..' AFTER `prizvyshche`;  
  ")

));

PREPARE sql_new_fild FROM @preparedStatement;
EXECUTE sql_new_fild;
DEALLOCATE PREPARE sql_new_fild;

	$newFildInUsers = file_get_contents($manifestsPath .'/user.gazeta.sql');
	$db    = JFactory::getDbo();
	$db->setQuery($newFildInUsers);

	try {
		$db->execute();
		} catch (RuntimeException $e) 
			{  
				JFactory::getApplication()->enqueueMessage($e->getMessage());
			}