Vous pouvez essayer d'utiliser une sélection externe
SELECT q.*
FROM
(
SELECT a.`id` AS aid,ap.`pid`, p.`products_name`, a.accounts_account_number, c.clients_name,a.accounts_product_type AS pptype,
c.`clients_last_name`, a.`accounts_account_name`,
(SELECT `status` FROM `bf_account_permissions` WHERE `permission`='Readonly' AND uid=2 AND aid=a.id AND pid=ap.`pid`) AS Readonly,
(SELECT `status` FROM `bf_account_permissions` WHERE `permission`='Buy' AND uid=2 AND aid=a.id AND pid=ap.`pid`) AS Buy,
(SELECT `status` FROM `bf_account_permissions` WHERE `permission`='Sell' AND uid=2 AND aid=a.id AND pid=ap.`pid`) AS Sell,
(SELECT `status` FROM `bf_account_permissions` WHERE `permission`='Disable' AND uid=2 AND aid=a.id AND pid=ap.`pid`) AS `Disable`
FROM `bf_clients` c INNER JOIN `bf_user_clients` uc ON (c.`id` = uc.`client_id`)
INNER JOIN `bf_accounts` a ON (c.`id` = a.`accounts_clients`)
INNER JOIN `bf_account_products` ap ON (a.`id` = ap.`aid`)
INNER JOIN `bf_products` p ON (ap.`pid` = p.`id`)
WHERE uc.`agt_user_id`=2 AND a.deleted=0 AND c.deleted=0
HAVING (Readonly !='' OR Buy !='' OR Sell !='' OR `Disable` !='' ) AND `Disable` !='1'
) q
GROUP BY aid