box.schema.user.exists()
-
box.schema.user.exists(user-name) Return
trueif a user exists; returnfalseif a user does not exist. For explanation of how Tarantool maintains user data, see section Users and reference on _user space.Parameters: - user-name (string) – the name of the user
Rtype: bool
Example:
box.schema.user.exists('Lena')