Some work started in this direction. I didn't follow closely the whole thread but I don't think that got commited in PG10. https://www.postgresql.org/message-i

Some work started in this direction. I didn't follow closely the whole thread but I don't think that got commited in PG10. https://www.postgresql.org/message-id/flat/20170119213859.GA1838%40localhost#20170119213859.GA1838@localhost https://www.postgresql.org/message-id/flat/20170119213859.GA... More info in the EDB roadmap: https://wiki.postgresql.org/wiki/EnterpriseDB_database_server_roadmap#SQL_Features https://wiki.postgresql.org/wiki/EnterpriseDB_database_serve... Postgres has been amazing in shipping the foundation required to deliver complex feature.. Logical Replication is an example of it, all the piece commited in the last 6y allowed to make this patch achievable.