mysql - 尝试从同一个表中获取匹配和不匹配的值

Question

我试图从同一个表中获取匹配和不匹配的值，但它给出了 double 值这是我的查询

select
  sum(pp.redeem_points_used) as OnlineRewards,
  sum(pp1.redeem_points_used) as GlocalRewards,
  pp.user_details_id
from
  panalist_redeem_points as pp,
  panalist_redeem_points as pp1
where
  pp.transaction_id not like 'G%' and pp1.transaction_id like 'G%'
group by pp.transaction_id;

Answer 1

您只需选择一张表即可执行此操作:

select
  sum((pp.transaction_id not like 'G%')*pp.redeem_points_used) as OnlineRewards,
  sum((pp.transaction_id like 'G%')*pp.redeem_points_used) as GlocalRewards,
  pp.user_details_id
from
  panalist_redeem_points as pp
group by pp.transaction_id;