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create table mytable (Columns varchar(50),Amount int); insert into mytable values('First', 0); insert into mytable values('Second', 5); insert into mytable values('Third', 5);
with recursive cte as ( select Columns,amount,row_number()over(order by Columns) rn from mytable ) , cte2 as ( select Columns, (case when amount>0 then (case when amount>9 then amount-9 else 0 end) else 0 end)amount, (case when amount>0 then (case when amount>9 then 0 else 9-amount end) else 9 end)remainingamount,rn from cte where rn=1 union all select cte.Columns,(case when cte.amount>0 then (case when cte.amount>remainingamount then cte.amount-remainingamount else 0 end)else 0 end)amount ,(case when cte.amount>0 then (case when cte.amount>remainingamount then 0 else remainingamount-cte.amount end) else 0 end)remainingamount ,cte.rn from cte inner join cte2 on cte2.rn=cte.rn-1 ) select columns, amount from cte2
columns
amount
First
0
Second
0
Third
1