Hi, On Sat, Feb 18, 2023 at 03:49:26PM -0800, Bryn Llewellyn wrote: > > But it's not clear who actually implements the opening "start transaction" > and the closing "commit" around every submitted SQL statement when autocommit > is "on". > > Is this done in client-side code (maybe implying three round trips per > intended SQL statement)? Or is it done server-side? It's always done on the client side, postgres itself doesn't know about this feature.