我正在尝试获取过去 12 个月(2019 年 10 月至 2020 年 9 月等)的滚动总和>到目前为止,我想得到当年的总数(我也想要),但是,我被卡住了以合法的 12 个月滚动总和。
SELECT DATEADD(MONTH, DATEDIFF(Month, 0, ENTRY_DATE), 0) AS Payout_Month, SUM(PRINCIPAL_AMT) Payout_amt,
SUM(SUM(PRINCIPAL_AMT)) OVER (PARTITION BY YEAR(ENTRY_DATE) ORDER BY MIN(ENTRY_DATE)) as YearRollingSum,
SUM(SUM(PRINCIPAL_AMT)) OVER (PARTITION BY Year(ENTRY_DATE)
ORDER BY MIN(ENTRY_DATE)
ROWS BETWEEN 12 PRECEDING AND 1 PRECEDING
) AS TwelveMonthRollingSum
FROM ACCOUNTHISTORY
WHERE LEFT(TOKEN_STRING, 4) LIKE '%Py%'
AND FOCUS_TELLER_ID = 6056
AND PRINCIPAL_AMT > 0 AND PRINCIPAL_AMT < 25
AND ENTRY_DATE >= '01/01/2019'
GROUP BY DATEADD(MONTH, DATEDIFF(Month, 0, ENTRY_DATE), 0), YEAR(ENTRY_DATE)
Order BY DATEADD(MONTH, DATEDIFF(Month, 0, ENTRY_DATE), 0)
这是我当前输出的样子
Payout_Month Payout_amt YearRollingSum TwelveMonthRollingSum
2019-01-01 00:00:00.000 5696.50 5696.50 NULL
2019-02-01 00:00:00.000 11205.60 16902.10 5696.50
2019-03-01 00:00:00.000 23341.50 40243.60 16902.10
2019-04-01 00:00:00.000 25592.80 65836.40 40243.60
2019-05-01 00:00:00.000 28148.30 93984.70 65836.40
2019-06-01 00:00:00.000 27190.90 121175.60 93984.70
2019-07-01 00:00:00.000 25079.80 146255.40 121175.60
2019-08-01 00:00:00.000 30206.90 176462.30 146255.40
2019-09-01 00:00:00.000 28000.80 204463.10 176462.30
2019-10-01 00:00:00.000 29076.60 233539.70 204463.10
2019-11-01 00:00:00.000 29001.30 262541.00 233539.70
2019-12-01 00:00:00.000 28366.00 290907.00 262541.00
2020-01-01 00:00:00.000 32062.40 32062.40 NULL
2020-02-01 00:00:00.000 28526.70 60589.10 32062.40
2020-03-01 00:00:00.000 29056.50 89645.60 60589.10
2020-04-01 00:00:00.000 28016.00 117661.60 89645.60
2020-05-01 00:00:00.000 25173.30 142834.90 117661.60
2020-06-01 00:00:00.000 27646.10 170481.00 142834.90
2020-07-01 00:00:00.000 36083.70 206564.70 170481.00
2020-08-01 00:00:00.000 34872.20 241436.90 206564.70
2020-09-01 00:00:00.000 35727.10 277164.00 241436.90
2020-10-01 00:00:00.000 34030.80 311194.80 277164.00
如您所见,它在年初的最后一列重置。有任何想法吗?