REFRESH FUNCTION

描述

REFRESH FUNCTION 语句会使缓存的函数条目失效，该条目包括给定函数的类名和资源位置。失效的缓存会立即填充。请注意，REFRESH FUNCTION 仅适用于永久函数。刷新原生函数或临时函数将导致异常。

语法

REFRESH FUNCTION function_identifier

参数

function_identifier

指定函数名称，可以是限定名称或非限定名称。如果未提供数据库标识符，则使用当前数据库。

**语法：** [ database_name. ] function_name

示例

-- The cached entry of the function will be refreshed
-- The function is resolved from the current database as the function name is unqualified.
REFRESH FUNCTION func1;

-- The cached entry of the function will be refreshed
-- The function is resolved from tempDB database as the function name is qualified.
REFRESH FUNCTION db1.func1;   