根据类型计算 SQL Server 用户创建的函数

问题描述

我可以使用

SELECT COUNT(*)
FROM information_schema.routines
WHERE routine_type = 'FUNCTION'

但这会返回所有函数，无论是标量值函数、内联函数还是表值函数

But this returns all functions whether it be a scalar-valued function, an inline function or a table-valued function

有没有办法获得特定于函数类型的计数?例如.只计算内联函数?

Is there a way to obtain a count specific to the type of function? E.g. count inline functions only?

推荐答案

您所追求的这种区别是特定于 SQL Server 的，可能没有包含在 information_schema 标准中.您需要查看系统视图:

This distinction you are after is specific to SQL Server and probably not covered by the information_schema standard. You need to look at system views for that:

select o.type_desc, count(*)
from sys.objects o
where o.type in ('AF', 'FN', 'FS', 'FT', 'IF', 'TF')
group by o.type_desc
order by o.type_desc;

根据您使用的 SQL Server 版本，可用对象类型列表可能会有所不同.请参阅文档 对于您的版本.

Depending on the version of SQL Server you are using, the list of available object types might differ. Consult with the documentation for your version regarding that.

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