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复制代码 代码如下:
ALTER FUNCTION [dbo].[get_FullAge]
(
@birthday datetime, @currentDay datetime
)
RETURNS INT
AS
BEGIN
DECLARE @age INT
SET @age = DATEDIFF(YEAR, @birthday, @currentDay)
IF DATEDIFF(DAY, DATEADD(YEAR, @age, @birthday), @currentDay) <= 0
SET @age = @age - 1
IF DATEPART(MONTH, @birthday) = 2 AND DATEPART(DAY, @birthday) = 29 AND DATEPART(MONTH, @currentDay) = 3
AND DATEPART(DAY, @currentDay) = 1 AND
NOT (YEAR(@currentDay) % 4 = 0 AND (YEAR(@currentDay) % 100 !=0 OR YEAR(@currentDay) % 400 = 0))
SET @age = @age - 1
IF @age < 0
SET @age = 0
RETURN @age
END
--Sql根据出生日期计算age（不是很准确）
1. select datediff(year,EMP_BIRTHDAY,getdate()) as '年龄' from EMPLOYEEUnChangeInfo
2. floor((DateDiff(day,u.EMP_BIRTHDAY,getdate()))/365
ALTER FUNCTION [dbo].[get_FullAge]
(
@birthday datetime, @currentDay datetime
)
RETURNS INT
AS
BEGIN
DECLARE @age INT
SET @age = DATEDIFF(YEAR, @birthday, @currentDay)
IF DATEDIFF(DAY, DATEADD(YEAR, @age, @birthday), @currentDay) <= 0
SET @age = @age - 1
IF DATEPART(MONTH, @birthday) = 2 AND DATEPART(DAY, @birthday) = 29 AND DATEPART(MONTH, @currentDay) = 3
AND DATEPART(DAY, @currentDay) = 1 AND
NOT (YEAR(@currentDay) % 4 = 0 AND (YEAR(@currentDay) % 100 !=0 OR YEAR(@currentDay) % 400 = 0))
SET @age = @age - 1
IF @age < 0
SET @age = 0
RETURN @age
END
--Sql根据出生日期计算age（不是很准确）
1. select datediff(year,EMP_BIRTHDAY,getdate()) as '年龄' from EMPLOYEEUnChangeInfo
2. floor((DateDiff(day,u.EMP_BIRTHDAY,getdate()))/365
标签：
age,sql函数
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明霞山资源网 Design By www.htccd.com
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