On Thu, 8 Jun 2023 at 10:31, Jan Wieck <j...@wi3ck.info> wrote: > On 6/8/23 09:53, Jan Wieck wrote: > > On 6/8/23 09:21, Dave Cramer wrote: > > The server doesn't know about all the clients of the pooler, does it? It > > has no way of telling if/when a client disconnects from the pooler. > > Another problem that complicates doing it in the server is that the > information require to (re-)prepare a statement in a backend that > currently doesn't have it needs to be kept in shared memory. This > includes the query string itself. Doing that without shared memory in a > pooler that is multi-threaded or based on async-IO is much simpler and > allows for easy ballooning. > > I don't expect the server to re-prepare the statement. If the server responds with "statement doesn't exist" the client would send a prepare.
Dave
