-- 也优化不了 select to_char(to_timestamp(event_time_min), 'YYYY-MM') as reg_month, DATE_TRUNC('month', to_timestamp(event_time_min)) as reg_month_date, case when tg_play.tag is null then '未知' else tg_play.tag end as play_tag, uniq(mi.user_id) as acc_count from public.ods_newly_account acc inner join (select user_id, min(event_time) as event_time_min from public.ods_newly_account acc inner join (select * from public.gm_apply WHERE bind_game_type = 1 -- 传奇游戏 ) app on acc.appid = app.id group by user_id) mi ---从玩家的众多游戏记录中选取最早的一条 on acc.user_id = mi.user_id and acc.event_time = mi.event_time_min inner join (SELECT id as app_id, name as app_name, bind_game_id, bind_game_type ---1 :传奇游戏 , 2:传世 , 3:传3 FROM public.gm_apply WHERE bind_type = 1 -- 默认应用 ) gm on acc.appid = gm.app_id left outer join (select game_id, tag from public.game_tags where tag in ('神器', '复古', '沉默', '火龙', '合击', '迷失', '小极品', '大极品', '二合一', '铭文', '冰雪', '宠物', '战神', '暗黑', '元素', '忘忧', 'BUFF', '天罡')) tg_play on gm.bind_game_id = tg_play.game_id group by 1, 2, 3 limit 10000