I wrote: > > In the varlistentry, I suggest we add "This variable is unset when the > > connection is lost." after "but can be changed or unset. > > Personally I'd much rather have BACKEND_PID set to 0 rather than being unset > when not connected. For one thing it allows safely using \if :BACKEND_PID.
Oops it turns out that was wishful thinking from me. \if does not interpret a non-zero integer as true, except for the value "1". I'd still prefer BACKEND_PID being 0 when not connected, though. Best regards, -- Daniel Vérité https://postgresql.verite.pro/ Twitter: @DanielVerite
