Re: Collation version tracking for macOS

On Mon, Nov 28, 2022 at 9:55 PM Jeff Davis <pgsql@j-davis.com> wrote:
> But did you notice that the version went backwards from 65.1 -> 66.1?
> Well, actually, it didn't. The version of that collation in 66.1 went
> from 153.97 -> 153.104. But there's a bug in versionToString() that
> does the decimal output incorrectly when there's a '0' digit between
> the hundreds and the ones place. I'll see about reporting that, but I
> thought I'd mention it here because it could have consequences, as we
> are storing the strings :-(
>
> The bug is still present in 70.1, but it's masked because it went to
> .112.
>
> Incidentally, this answers our other question about whether the
> collation version can change in a minor version update. Perhaps not,
> but if they fix this bug and backport it, then the version *string*
> will change in a minor update. Ugh.

That is ... astonishingly bad.

-- 
Robert Haas
EDB: http://www.enterprisedb.com