想问下这条语句 怎么样用thinkphp3.23框架 拼接出来sql语句
SELECT
sum( a )
FROM
(
SELECT
s.num * w.width * w.length AS a
FROM
what w
LEFT JOIN star s ON w.sid = s.sid
)
WHERE
s.`name` = 'mark'
GROUP BY
w.sid
ORDER BY
w.time DESC
) aa 最佳答案
