->join('left join tab_user_play_info as ui on ui.user_id = uc.user_id and ui.game_id = uc.game_id and ui.server_id = uc.server_id and ui.role_id = uc.role_id')
->join('left join tab_user_play_info as ui on ui.user_id = uc.user_id and ui.game_id = uc.game_id and ui.role_id = uc.role_id')
->join('left join tab_user_play_info as ui on ui.user_id = uc.user_id and ui.game_id = uc.game_id and ui.server_id = uc.server_id and ui.role_id = uc.role_id')