can you tell what files you need??

and the code i am giving is form sql configurations file to simulate this

according to your instruction i changed the file like

sql sql2{

sql_user_name = "%{sql_inst2:select s.* from (select @user:=BINARY '%{User-Name}' p) parm , upm s}"

}

and in

sql sql_gowifi{

sql_user_name = "%{sql2:select s.* from (select @user:=BINARY '%{User-Name}' p) parm , upm s}"

}

i am calling module sql_gowifi form authorize section of sites-enabled/default