It gets destroyed when the object holding the session in the FSession field
is destroyed (in the object's Destroy destructor).

The id variable is assigned like this (iSessCount is a global variable):
interlockedincrement(iSessCount);
id := iSessCount;

Gyula

----- Original Message -----
From: "Helen Borrie" <helebor@...>
> > FSession := TIB_Session.Create(nil); <---------------------
>
> How is this session getting destroyed?
>
> Another question - is [id] completely unique at the time the session and
database are created?