On Thu, Apr 23, 2020 at 8:38 AM Ranier Vilela <ranier...@gmail.com> wrote: > > Hi, > > Per Coverity. > > If has 0 full groups, "we don't need to do anything" and need goes to next. > Otherwise a integer division by zero, can raise. > > comments extracted trom explain.c: > /* > * Since we never have any prefix groups unless we've first sorted > * a full groups and transitioned modes (copying the tuples into a > * prefix group), we don't need to do anything if there were 0 full > * groups. > */
This does look like a fairly obvious thinko on my part, and the patch looks correct to me. Tomas: agreed? Thanks, James