cuncurrent-session control

[Mehdi Ravanbakhsh]

Hello ALL

I have Some problem in using Unlang.

I need to call some function in PostgreSQL database send some parameter
from request attribute  to it , get replay from function and then change
some check attribute  item (such as Pool-Name).or replay  attribute


Unlang :

cuncurrent-session-status =”{%sql:select
public.findout_cuncurrent_sessions_for_a_user(%{request:User-Name},%{request:Acct-Session-Id},%{request:NAS-IP-Address},%{request:NAS-Port})}”;
if (cuncurrent-session-status=='Accept')
{
ok
}
elseif (cuncurrent-session-status=='Reject')
{
update control
 {Pool-Name='Exceeded-Concurrent-Session'}
}


i know that i have some mistake in script but i can not find where !!!!!
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