On 7 February 2018 at 17:33, Amit Khandekar <amitdkhan...@gmail.com> wrote:
> > A quick thinking on how to resolve this makes me wonder if we can > manage to pass some information through logical decoding that the > delete is part of a partition key update. This is analogous to how we > set some information locally in the tuple by setting > tp.t_data->t_ctid.ip_blkid to InvalidBlockNumber. > > We already do something similar for UPDATEs that change the REPLICA IDENTITY; we include the oldkey in extra WAL. The main question is whether the required knowledge is available at a suitable level. -- Craig Ringer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services