Re-assign host access permission to MySQL user

Question

I have several thousand MySQL users all set to allow access from a specific host. The problem is that now I\'m going to have two machines (more in the future) which will nee

Answer 1

The accepted answer only renamed the user but the privileges were left behind.

I'd recommend using:

RENAME USER 'foo'@'1.2.3.4' TO 'foo'@'1.2.3.5';

According to MySQL documentation:

RENAME USER causes the privileges held by the old user to be those held by the new user.