Musisz samodzielnie dołączyć do stołu.
CREATE TABLE Test
(
TransDate DATE,
Credit INT,
Debit INT,
);
INSERT INTO Test VALUES
('2014-01-01', 5000, NULL),
('2014-01-07', NULL, 2000),
('2014-01-11', 5000, NULL),
('2014-02-03', 6000, NULL),
('2014-02-06', NULL, 4000),
('2014-02-11', 3000, NULL),
('2014-02-21', NULL, 1000),
('2014-02-28', 2000, NULL),
('2014-03-01', 5000, NULL)
WITH CTE AS
(
SELECT t2.TransDate,
t2.Credit,
t2.Debit,
SUM(COALESCE(t1.credit, 0) - COALESCE(t1.debit, 0)) AS Balance
FROM Test t1
INNER JOIN Test t2
ON t1.TransDate <= t2.TransDate
WHERE t1.DataSource IN (3,4)
GROUP BY t2.TransDate, t2.Credit, t2.Debit
)
SELECT *
FROM CTE
WHERE (TransDate >= '2014/01/11' AND TransDate <= '2014/02/28' )
WYJŚCIE
TransDate Credit Debit Balance
2014-01-11 5000 (null) 8000
2014-02-03 6000 (null) 14000
2014-02-06 (null) 4000 10000
2014-02-11 3000 (null) 13000
2014-02-21 (null) 1000 12000
2014-02-28 2000 (null) 14000
