On 10/09/18 22:52, Hugo Eyng hugoe...@msn.com [firebird-support] wrote: > > Hi Hamish. > > I am not sure if I understood clearly your problem. If I did, you > probably should use "WITH LOCK" clause.
Thanks Hugo, that might work. But as the row might not exist yet, I would have to lock the whole table, else the two inserts could still run simultaneously and conflict. Hamish