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WITH tbl AS ( SELECT 1000 AS Line_num, 6 AS Line_typ, 0 AS Cost FROM dual UNION ALL SELECT 2000, 7, 5000 FROM dual UNION ALL SELECT 3000, 7, 3000 FROM dual UNION ALL SELECT 4000, 7, 2000 FROM dual UNION ALL SELECT 5000, 6, 0 FROM dual UNION ALL SELECT 6000, 9, 3000 FROM dual UNION ALL SELECT 7000, 7, 2000 FROM dual UNION ALL SELECT 8000, 1, 2000 FROM dual ) select h.line_num, h.line_typ, (select sum(cost) from tbl g where g.line_num >= h.line_num and not exists (select * from tbl where line_num > h.line_num and line_typ in (1, 6) and line_num <= g.line_num) ) as cost from tbl h where h.line_typ in (1, 6) order by h.line_num
LINE_NUM
LINE_TYP
COST
1000
6
10000
5000
6
5000
8000
1
2000