Hello I need some users to login from specific nas this is my query if ("%{sql: SELECT count(nas.id) FROM users_table JOIN users_routers_table ON users_table.user_create_by = users_routers_table.cpanel_id JOIN nas on users_routers_table.nas_id = nas.id WHERE users_table.user_name = '%{User-Name}'" > 0 && "%{sql: SELECT count(nas.id) FROM users_table JOIN users_routers_table ON users_table.user_create_by = users_routers_table.cpanel_id JOIN nas on users_routers_table.nas_id = nas.id WHERE users_table.user_name = '%{User-Name}' AND nas.nasname = '%{NAS-IP-Address}'" == 0) { reject } this structure of table +----------------+-----------+--------+ | user_router_id | cpanel_id | nas_id | +----------------+-----------+--------+ | 15 | 1 | 109 | +----------------+-----------+--------+ when i add row in users_router_table from cpanel with id 1 and the user was created by cpanel user with id 1 the user login form any nas what the problem in if statement