PFC <lists(at)peufeu(dot)com> writes:
> And it is very easy to recognize a query we've seen before,
It's not so easy as all that. Consider search_path. Consider temp
tables.
The real problem here is entirely on the client side:
> But, using prepared statements with persistent connections is messy,
> because you never know if the connection is new or not,
If you were to fix *that* then both this problem and others (such as
setting up desired SET-parameter values) would go away.
regards, tom lane