EXPLAIN SELECT
`users`.`login`,
`realname`.`realname`,
`users`.`Passive`,
`users`.`Down`,
`users`.`AlwaysOnline`,
`users`.`Tariff`,
`users`.`Credit`,
`users`.`Cash`,
`users`.`ip`,
`city`.`cityname`,
`street`.`streetname`,
`build`.`buildnum`,
`apt`.`apt`,
CONCAT(`street`.`streetname`, ' ', `build`.`buildnum`, IF(`apt`.`apt`, CONCAT('/', `apt`.`apt`), '')) AS `fulladdress`,

(
IFNULL(`users`.`D0`, 0) + IFNULL(`users`.`U0`, 0) +
IFNULL(`oph`.`total`, 0) +
IFNULL(`mlg`.`total`, 0)
) AS `totaltraff`

FROM `users`
LEFT JOIN `realname` ON `users`.`login` = `realname`.`login`
LEFT JOIN `address` ON `users`.`login` = `address`.`login`
LEFT JOIN `apt` ON `address`.`aptid` = `apt`.`id`
LEFT JOIN `build` ON `apt`.`buildid` = `build`.`id`
LEFT JOIN `street` ON `build`.`streetid` = `street`.`id`
LEFT JOIN `city` ON `street`.`cityid` = `city`.`id`

LEFT JOIN (
SELECT `login`, SUM(IFNULL(`D0`, 0) + IFNULL(`U0`, 0)) AS `total`
FROM `ophtraff`
WHERE `year` = YEAR(CURDATE()) AND `month` = MONTH(CURDATE())
GROUP BY `login`
) AS `oph` ON `users`.`login` = `oph`.`login`

LEFT JOIN (
SELECT `login`, SUM(IFNULL(`D0`, 0) + IFNULL(`U0`, 0)) AS `total`
FROM `mlg_ishimura`
WHERE `year` = YEAR(CURDATE()) AND `month` = MONTH(CURDATE())
GROUP BY `login`
) AS `mlg` ON `users`.`login` = `mlg`.`login`
ORDER BY fulladdress asc LIMIT 0, 50;