INSERT INTO chat_msg (chat_msg_id, chat_room_id, sender_id, msg_content, use_at, created_at, updated_at ) VALUES ( #{chatMsgId}, #{chatRoomId}, #{senderId}, #{msgContent}, #{useAt}, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP ) SELECT cm.chat_msg_id, cm.chat_room_id, cm.sender_id, m.member_name, cm.msg_content, cm.use_at, cm.created_at, cm.updated_at FROM chat_msg cm LEFT JOIN member m ON cm.sender_id = m.member_id WHERE chat_room_id = #{chatRoomId} ORDER BY cm.created_at SELECT cm.chat_msg_id, cm.chat_room_id, cm.sender_id, m.member_name, cm.msg_content, cm.use_at, cm.created_at, cm.updated_at FROM chat_msg cm LEFT JOIN member m ON cm.sender_id = m.member_id WHERE chat_msg_id = #{chatMsgId}