SELECT
users.id,SUM(b)
FROM
users LEFT JOIN c
on c.d like CONCAT(users.d,'%')
GROUP BY users.id
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P
用include的写法 可以实现?
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SELECT
users.id,SUM(b)
FROM
users LEFT JOIN c
on c.d like CONCAT(users.d,'%')
GROUP BY users.id
用include的写法 可以实现?