SELECT * FROM tb_user as user left join t_user_permission as userp on user.id=userp.u_id left join tb_permission as per on per.id=userp.permission_id
自定义sql 请问 如何一次性获取全部的数据
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SELECT * FROM tb_user as user left join t_user_permission as userp on user.id=userp.u_id left join tb_permission as per on per.id=userp.permission_id
自定义sql 请问 如何一次性获取全部的数据