On Wed, Nov 23, 2016 at 11:32 PM, Tsunakawa, Takayuki
<tsunakawa.takay@jp.fujitsu.com> wrote:
> IMHO, overall, there should be pros and cons of the current approach and the new UNDo one (like Oracle?), depending
onthe workload. Under update-heavy workload, the UNDO method may be better. OTOH, under the mostly-INSERT workload
(likedata warehouse?), the current method will be better because it writes no log for UNDO.
I believe that you are correct about that.
--
Peter Geoghegan