salix/db/routines/account/functions/user_getMysqlRole.sql

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` FUNCTION `account`.`user_getMysqlRole`(vUserName VARCHAR(255))
	RETURNS varchar(255) CHARSET utf8mb3 COLLATE utf8mb3_unicode_ci
	DETERMINISTIC
BEGIN
/**
 * From a username, it returns the associated MySQL wich should be used when
 * using external authentication systems.
 *
 * @param vUserName The user name
 * @return The associated MySQL role
 */
	DECLARE vRole VARCHAR(255);

	SELECT CONCAT(IF(r.hasLogin, c.rolePrefix, ''), r.name) INTO vRole
		FROM role r 
			JOIN user u ON u.role = r.id
			JOIN roleConfig c
		WHERE u.name = vUserName;

	RETURN vRole;
END$$
DELIMITER ;