On Sun, Nov 29, 2015 at 2:01 AM, Peter Geoghegan <pg@heroku.com> wrote:
> I think that at least the first several
> hundred leading attribute tuples are duplicates.
I mean duplicate abbreviated keys. There are 40 distinct keys overall
in the first 160 tuples, which is why abbreviation is aborted -- this
can be seen from the trace_sort output, of course.
--
Peter Geoghegan