I write small summary. Feature details: additional flags for monotonical functions. Learn planner to use them. New node in execution plan - functional index scan.
Pro: single btree index may be used in many expressions containing only monotonnical functions. Contra: big developement effort. No new functionalities - functional or gist index does the same work. Not for all encodings. Unknown performance advantages. ------------ pasman -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
