问题描述
此处的 sql 表:http://sqlfiddle.com/#!9/abe1da/9
当前表:
年份 | 月 | 输入 | 账户 | 数量 |
---|---|---|---|---|
2021 | 1 | 实际 | abc | 20 |
2021 | 1 | 实际 | def | 30 |
2021 | 1 | 实际 | ghi | 40 |
2021 | 1 | 实际 | X | 7 |
2021 | 1 | 实际 | Y | 3 |
2021 | 1 | 实际 | final | 105 |
预期
年份 | 月 | 输入 | 账户 | 数量 |
---|---|---|---|---|
2021 | 1 | 实际 | abc | 20 |
2021 | 1 | 实际 | def | 30 |
2021 | 1 | 实际 | ghi | 40 |
2021 | 1 | 实际 | X | 7 |
2021 | 1 | 实际 | Y | 3 |
2021 | 1 | 实际 | final | 105 |
2021 | 1 | 实际 | 平衡 | 5 |
sql 尝试
select year,month,type,case when accounts in ('abc') then 'abc'
when accounts in ('def') then 'def'
when accounts in ('ghi') then 'ghi'
when accounts in ('X') then 'x'
when accounts in ('Y') then 'Y'
when accounts in ('final') then 'final'
else 'balance'
end as account_2,sum
(
(case when accounts in ('abc','def','ghi','final','x','y') then amount
else
(
(case when accounts in ('final') then (amount))-
(case when accounts in ('abc','y') then -amount else 0))
)
from new
注意:余额 5 代表数千个目前不构成数据库一部分的小账户。
解决方法
如果我理解正确:
select Year,Month,Type,Accounts,Amount
from new
union all
select year,month,type,'balance',(sum(case when accounts = 'final' then amount else 0 end) -
sum(case when accounts <> 'final' then amount else 0 end)
)
from new
group by year,type;
Here 是一个 dbfiddle。