SQL Server: How to execute UPDATE from within recursive function?

问题

I have a recursive scalar function that needs to update a record in another table based on the value it is returning, however UPDATE statements are not allowed in the function.

How can I update the table from within the function?

回答1:

UPDATE statements are not allowed in the function

That's the rule - functions are not allowed to have any data-changing side-affects.

You have to use a Stored Procedure to UPDATE.

来源：https://stackoverflow.com/questions/3805250/sql-server-how-to-execute-update-from-within-recursive-function