• 如何将 com与 out分开,使用 lo
参考:
我有像4,3,5,2,5,9人一样的护卫。
如果想在第3号 com子之后再穿透镜而不使用 lo。
• 如何将 com与 out分开,使用 lo
参考:
我有像4,3,5,2,5,9人一样的护卫。
如果想在第3号 com子之后再穿透镜而不使用 lo。
DECLARE @str varchar(MAX)= 001,002,03,0004,05,6,07
,@separator char(1)= ,
,@n int = 3;
WITH str_nums ( id, n1, n2 )
AS
(
SELECT CAST(1 as int) as id, CAST(0 as bigint) as n1, CHARINDEX(@separator, @str+@separator) as n2
UNION ALL
SELECT id + 1, n2 as n1, CHARINDEX(@separator, @str+@separator, n2+1) as n2
FROM str_nums
WHERE n2<len(@str)
)
SELECT SUBSTRING(@str, n1+1, n2-n1-1) as n_str
FROM str_nums
WHERE id = @n
GO
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