On Sun, Nov 29, 2015 at 2:01 AM, Peter Geoghegan <p...@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 -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers