Document BRIN's inclusion opclass framework
Backpatch to 9.5 -- this should have been part of
b0b7be61337, but we
didn't have
38b03caebc5de either at the time.
Author: Emre Hasegeli
Revised by: Ian Barwick
Discussion:
http://www.postgresql.org/message-id/CAE2gYzyB39Q9up_-TO6FKhH44pcAM1x6n_Cuj15qKoLoFihUVg@mail.gmail.com
http://www.postgresql.org/message-id/
562DA711.
3020305@2ndquadrant.com