Unclear which libpq functions set an error message for PQerrorMessage

Hello, In section "34.2. Connection Status Functions" it is said that, "Nearly all libpq functions will set a message for PQerrorMessage if they fail." The wording "Nearly all" is somewhat fuzzy. I read it in such a way that SOME libpq functions will NOT set a message for PQerrorMessage if they f

Re: Non-blocking synchronization in libpq using pipeline mode

On Tue, 19 Mar 2024 12:49:23 +0100 Alvaro Herrera wrote: > On 2024-Mar-06, PG Doc comments form wrote: > > > The following documentation comment has been logged on the website: > > > > Page: https://www.postgresql.org/docs/16/libpq-pipeline-mode.html > > Description: > > > > The calls to PQpip