On Thu, Jun 14, 2018 at 6:32 PM Peter Geoghegan <p...@bowt.ie> wrote: > On Thu, Jun 14, 2018 at 5:43 AM, Alexander Korotkov > <a.korot...@postgrespro.ru> wrote: > > However, that doesn't > > look like inevitable shortcoming, because we could store heap TID in > > t_tid of pivot index tuples. > > But the offset doesn't have enough space for an entire TID.
Sorry, my bad. It slipped my mind that we use t_tid.ip_blkid of pivot tuples to store downlinks :) So, yes, additional attribute is required to store heap TID in pivot tuple. Anyway, I'm looking forward seeing your patch posted, if even it would be not yet perfect shape. ------ Alexander Korotkov Postgres Professional: http://www.postgrespro.com The Russian Postgres Company