> On 17 Jun 2021, at 19:16, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> A more critical point is that if pg_config is present, it'll likely
> contain the server version, which might not have a lot to do with the
> libpq version. Debian's already shipping things in a way that decouples
> those, and I gather Red Hat is moving in that direction too.
>
> I think what people really want to know is "if I try to call
> PQenterPipelineMode, will that compile?".
I think this is the most compelling argument for feature-based gating rather
than promote version based. +1 on doing "#ifdef LIBPQ_HAS_PIPELINING" or along
those lines and try to be consistent going forward. If we've truly failed to
do so in X releases time, then we can revisit this.
--
Daniel Gustafsson https://vmware.com/
