摘要: 表结构 查询sql SELECT t.*, user_info.*, `user`.* FROM ( SELECT receiver as from_id, type, message, create_time, #统计未读消息数量 sum(IF(tip_flag=0,1,0)) AS num FR 阅读全文
posted @ 2023-03-29 15:59 DarkerbeS 阅读(79) 评论(0) 推荐(0) 编辑