$db->query("SELECT e.id as id, e.name, MAX(ue.time) as time, MAX(ue.weight) as weight, MAX(ue.distance) as distance LEFT JOIN `exercises` as e ON exerciseid
嗨,这是我正在尝试实现结果的查询,但是如何在该列中获得对concat结果的搜索呢? ( SELECT GROUP_CONCAT(tp.login) WHERE tp.user_id = user_extra.user_id , users.email as email FROM user_extra JOIN users
ON users.id = user_extra.u
有没有方法比较mysql查询中生成的range列?SELECT ue.bundle,ue.timestamp,b.id,bv.id as bundleVersionId,bv.start_date,bv.end_date, bv.type,ue.typeDocument_Id ='' then 'potrait'
WHEN Document_Id<>'' then 'persisted' end as type from ud