my table, I want to create three columns in single-column, reprinted now.
id | date | type | total
------ | ------ | ------ | -----
1 | 01.10.2016| Paypal | 50
2 | 03.10.2016| credit | 40
3 | 05.10.2016| Cash | 50
4 | 06.10.2016| payment| 100
5 | 07.10.2016| Cash | 20
6 | 15.10.2016| Skrill | 10
7 | 18.10.2016| payment| 20
8 | 19.10.2016| Paypal | 10
9 | 19.10.2016| payment| 20
10 | 22.10.2016| Cash | 40
11 | 23.10.2016| Skrill | 10
my table, I want to create three columns in single-column, reprinted now.
SELECT id,date,type,total
(select (
sum(case when type="Paypal" then total else 0 end)+
sum(case when type="credit" then total else 0 end))+
sum(case when type="Cash" then total else 0 end) ) as receiv,
(Select(
sum(case when type="payment" then total else 0 end)) AS payment,
(Select sum(receiv -payment) FROM totals t2
WHERE (t2.date <= t1.date) and (t2.id <= t1.id) order by t1.date) AS remainder
FROM totals t1
group by date, type
order by id,date
-- The following query for the sql code? Type = "Paypal, credit, Cash" sums "receiv" sums and Type = "payment" sums will be added to the "remainder" column.
id | date | type | receiv| payment| remainder
------ | ------ | ------ | ------| ------ | ------
1 | 01.10.2016| Paypal | 50 | 0 | 50
2 | 03.10.2016| credit | 40 | 0 | 90
3 | 05.10.2016| Cash | 50 | 0 | 140
4 | 06.10.2016| payment| 0 | 100 | 40
5 | 07.10.2016| Cash | 20 | 0 | 60
6 | 15.10.2016| Skrill | 10 | 0 | 70
7 | 18.10.2016| payment| 0 | 20 | 50
8 | 19.10.2016| Paypal | 10 | 0 | 60
9 | 19.10.2016| payment| 0 | 20 | 40
10 | 22.10.2016| Cash | 40 | 0 | 80
11 | 23.10.2016| Skrill | 10 | 0 | 90
Running total is easier in other databases which have analytical functions. In MySQL, you can do this with a correlated sub-query.
select id,dt,type,
case when type <> 'payment' then total else 0 end receiv,
case when type = 'payment' then total else 0 end payment,
case when type <> 'payment' then total else 0 end
- case when type = 'payment' then total else 0 end
+ coalesce((select sum(case when type <> 'payment' then total else 0 end)
- sum(case when type = 'payment' then total else 0 end)
from yourtable where id < y.id),0)
from yourtable y