Re: Remove an unnecessary errmsg_plural in dependency.c

At Thu, 24 Mar 2022 16:00:58 +0100, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote in
> On 2022-Mar-24, Tom Lane wrote:
>
> > Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> > > $ git grep 'Plural-Forms' src/backend/po/*.po
> > > ru.po:"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
> >
> > Oh, interesting: if I'm reading that right, all three Russian
> > forms are reachable, even with the knowledge that n > 1.
> > (But isn't the last "&& n" test redundant?)
>
> I wondered about that trailing 'n' and it turns out that the grep was
> too simplistic, so it's incomplete.  The full rule is:
>
> "Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
> "%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"

FWIW just for fun, I saw the first form.

postgres=# drop table t cascade;
ЗАМЕЧАНИЕ:  удаление распространяется на ещё 21 объект

regards.

--
Kyotaro Horiguchi
NTT Open Source Software Center