I am not able to assign admin role to my first user

Hello Guys,

Please help me out. I am not able to assign admin role to my first user id.

I think in my authassignment,authitem and authitemchild have some problem.

See tables : Screenshots attached.

Help me out please :(

Would like to know also how to assign a role to a user.

[edit] foudn this interesting thread http://www.yiiframework.com/forum/index.php?/topic/6191-role-based-authentication-need-some-help/