> On Aug 4, 2017, at 2:51 PM, Owen O'Malley <owen.omal...@gmail.com> wrote: > > On Fri, Aug 4, 2017 at 12:15 PM, Alan Gates <alanfga...@gmail.com> wrote: > >> Let me make sure I have the backwards compatibility straight. If a user >> switches to ORC 2.0, he could choose to continue writing in older formats >> so that his old tools could read it. Then once all his tools are upgraded >> he could throw a config switch and new data would be written in the new >> format. Once that switch was thrown, any pre-ORC 2.0 tools would be >> unusable. Before throwing that switch, he would get none of the benefits >> of ORC 2.0. Is this summary correct? >> > > Yes, exactly.
I think the important part is not to change the APIs so tools can be updated by just upgrading the dep. -dain