On Sat, Jul 7, 2018 at 9:01 PM Andres Freund <and...@anarazel.de> wrote:
> Hi, > > On 2018-07-07 20:51:56 +0200, David Fetter wrote: > > As to "dual license," that's another legal thicket in which we've been > > wise not to involve ourselves. "Dual licensing" is generally used to > > assert proprietary rights followed immediately by a demand for > > payment. This is a thing we don't want to do, and it's not a thing we > > should be enabling others to do as part of our project. If they wish > > to do that, they're welcome to do it without our imprimatur. > > This is pure FUD. Obviously potential results of dual licensing depends > on the license chosen. None of what you describe has anything to do with > potential pieces of dual PG License / Apache 2.0 licensed code in PG, or > anything similar. You could at any time choose to only use / > redistribute postgres, including derivatives, under the rights either > license permits. > > I think there's fair arguments to be made that we do not want to go fo > for dual licensing with apache 2.0. Biggest among them that the current > situation is the established practice. But let's have the arguments be > real, not FUD. > First, generally, dual licensing is used to assert proprietary rights and that's actually the issue here (the scope of the patent-holder's rights) and the fact that it would change the future code use in some not very nice ways. The major exception I know of is the Perl situation where you have this GPL v2/Artistic License release but I am not entirely sure the historical reasons for this. The problem here is the scope of a patent right is different here and this would effectively mean the Apache License is the real license of the product. I assume we agree that the PostgreSQL license plus a patent encumbrance would be the same as the scope of the patent license, not the scope of the copyright license. > > Andres > > -- Best Regards, Chris Travers Database Administrator Tel: +49 162 9037 210 | Skype: einhverfr | www.adjust.com Saarbrücker Straße 37a, 10405 Berlin
