11

以下数据库视图将日期截断为财政年度(4 月 1 日):

CREATE OR REPLACE VIEW FISCAL_YEAR_VW AS
SELECT
  CASE
    WHEN to_number(to_char(SYSDATE, 'MM')) < 4 THEN    
      to_date('1-APR-'||to_char(add_months(SYSDATE, -12), 'YYYY'), 'dd-MON-yyyy')
    ELSE
      to_date('1-APR-'||to_char(SYSDATE, 'YYYY'), 'dd-MON-yyyy')
  END AS fiscal_year
FROM
  dual;

这使我们能够根据今天的日期计算当前会计年度。

如何简化或优化此计算?

4

5 回答 5

12
ADD_MONTHS(TRUNC(ADD_MONTHS(SYSDATE,-3),'YYYY'),3)
于 2010-04-21T04:46:58.327 回答
0

或许这...

SELECT to_date('01/04/' ||
to_char(extract(YEAR FROM SYSDATE)
- CASE WHEN extract(MONTH FROM SYSDATE) BETWEEN 1 AND 4 THEN 1 ELSE 0 END),
'DD/MM/YYYY') FROM dual;

我想这是另一种选择...

SELECT add_months(trunc(SYSDATE) - extract(DAY FROM SYSDATE) + 1,
- (extract(MONTH FROM SYSDATE) + CASE
WHEN extract(MONTH FROM SYSDATE) <= 4 THEN 12 ELSE 0 END) + 4)
FROM dual;

其他选项是重写为返回日期的函数,或者如果您可以只返回当前会计年度的年份编号,则可以简化逻辑,因为您只需要 to_char 中的逻辑。

于 2010-04-20T22:31:44.190 回答
0

TRUNC() 可以有用地应用于日期,具有不同的格式掩码。最恰当的是,trunc(sysdate, 'yyyy')给了我们一年的第一天。因此,这将为我们提供本年度的 01-APR ...

add_months(trunc(sysdate, 'yyyy'), 3)

这是上一年的那个日期......

add_months(trunc(add_months(sysdate, -12), 'yyyy'), 3)

所以:

CREATE OR REPLACE VIEW FISCAL_YEAR_VW AS
WITH cte as 
    ( select add_months(trunc(sysdate, 'yyyy'), 3) as this_year
             , add_months(trunc(add_months(sysdate, -12), 'yyyy'), 3) as last_year
      from dual )
SELECT
  CASE
    WHEN SYSDATE >= cte.this_year THEN    
      cte.this_year
    ELSE
      cte.last_year
  END AS fiscal_year
FROM
  cte;

警告:我还没有机会测试此代码,因此它可能包含拼写错误。稍后我将对其进行测试并在必要时进行更正。

于 2010-04-21T07:14:13.153 回答
0

我发现 oracle 的 TO_CHAR(date, 'Q') 功能对于计算财政日历非常有用。下面的查询使用 'with' 子句来构建两件事

  1. 样本数据- test_dates 表。
  2. 财务地图- 日历季度到您的财务日历的简单映射。在此示例中,第 4 个日历季度是第一个财政季度(10 月 1 日)。

例子:

with test_dates as (
 select sysdate + level * 80 test_date from dual connect by level < 11
),
fiscal_map as (
 select 1 cal, 2 fiscal from dual
 union
 select 2 cal, 3 fiscal from dual
 union
 select 3 cal, 4 fiscal from dual
 union
 select 4 cal, 1 fiscal from dual
)
select 
 test_date, 
 TO_CHAR(test_date, 'Q') cal_quarter, 
 fiscal_map.fiscal,
 (case when CAL < fiscal then 
     TO_CHAR(test_date, 'yyyy') + 0
     else TO_CHAR(test_date, 'yyyy') + 1
 end) FISCAL_YEAR
from test_dates, fiscal_map
where fiscal_map.cal = TO_CHAR(test_date, 'Q')
order by test_date

输出:

TEST_DT CAL_Q   FISCAL Q    FISCAL_YR
22-Jul-10   3   4   2010
10-Oct-10   4   1   2011
29-Dec-10   4   1   2011
19-Mar-11   1   2   2011
07-Jun-11   2   3   2011
26-Aug-11   3   4   2011
14-Nov-11   4   1   2012
02-Feb-12   1   2   2012
22-Apr-12   2   3   2012
11-Jul-12   3   4   2012
于 2010-05-04T05:00:59.627 回答
0
select T.USERNAME,T.CREATED,

CASE WHEN EXTRACT (MONTH FROM T.CREATED)>=4 AND EXTRACT (MONTH FROM T.CREATED)<=12 THEN 
TO_CHAR(EXTRACT (YEAR FROM T.CREATED))||'-'||TO_CHAR(EXTRACT (YEAR FROM T.CREATED)+1)
  WHEN EXTRACT (MONTH FROM T.CREATED)<4 THEN 
TO_CHAR(EXTRACT (YEAR FROM T.CREATED)-1)||'-'||TO_CHAR(EXTRACT (YEAR FROM T.CREATED)) ELSE NULL END FY
from sys.dba_users t WHERE T.USERNAME in ('101655','100149')

输出将是:

1   101655  14/01/2014 12:21:53 2013-2014
2   100149  05/05/2012 16:55:00 2012-2013
于 2014-06-03T05:23:11.783 回答