On 2023-02-04 15:35:58 -0500, Corey Huinker wrote:
> This effectively makes the %p prompt (which I use in the example above) the
> same as %:BACKEND_PID: and we may want to note that in the documentation.
I don't really see much of a point in noting this in the doc. I don't know in
what situation a user would be helped by reading
+ This substitution is almost equal to using <literal>%:BACKEND_PID:</literal>,
+ but it is safer, because psql variable can be overwriten or unset.
or just about any reformulation of that?