Rebased. Also, separate thread with some additional explanation is here: https://www.postgresql.org/message-id/flat/CADzfLwXZVmbo11tFS_G2i+6TfFVwHU4VUUSeoqb+8UQfuoJs8A@mail.gmail.com
pgsql-hackers by date:
Соглашаюсь с условиями обработки персональных данных