Dominique Devienne <ddevienne@xxxxxxxxx> writes: > AFAIK, it’s not psql that does this though, it’s libpq the official client > api. > And the fact libpq has no way to surface that info seems like an important > oversight. PQconninfo() will show you all the option values in use by a connection object. It's true that it's not very easy to tell where any given value came from, but I doubt it'd be worth an ABI break to add such info. (You could at least recognize values that match the hard-wired default or environment variable value.) regards, tom lane
