Bruce Momjian <bruce@momjian.us> writes:
> I just emailed Dave Page and it seems we don't set a default application
> name in libpq. Should we do:
> extern char *argv[];
> and reference argv[0] in libpq to set a default application name?
No. This is not portable and it's not a good idea even if it were.
The issue was discussed extensively when the patch was committed,
and does not need to be revisited now.
regards, tom lane