Andy Colson <a...@squeakycode.net> writes: > As I understand indexes, they are a key value pair, that contain a value > and a position. You lookup the value then use the position to seek into > the database to load the record.
> Do we, or could we, load all the the matching index records, then sort > them by position? (maybe not all, maybe large batches) This is more or less what a "bitmap index scan" does. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general