On Wed, Jul 15, 2015 at 12:32 PM, David G. Johnston < david.g.johns...@gmail.com> wrote:
> > You may be able to put Table Inheritance to good use here... > > I do not know (but doubt) if HOT optimization works when going from NULL > to non-NULL since the former is stored in a bitmap while the later occupies > normal relation space and thus the update would likely end up writing an > entirely new record upon each event category recording. > > David J. > > > Thanks!
