Thanks a lot, this helped me with the messages. I thought, I would only have to define a operator class that fullfills at least the equals strategy. I didn't know, that I would have to provide a "full" btree operator class. Best regards Carsten Kropf Am 03.05.2010 um 15:56 schrieb Tom Lane: > Carsten Kropf <ckropf2@xxxxxxxxx> writes: >> I read somewhere, that this can be solved by preparing a operator class for btree and passing a comparison function for equality there. I did this with the following lines: >> CREATE OPERATOR CLASS pointnd_btree_class >> DEFAULT FOR TYPE pointnd USING btree AS >> OPERATOR 3 =(pointnd, pointnd) >> ; > > You need an actual, usable btree operator class, not one-sixth of one ... > this is lacking the other four operators and the support function. > > regards, tom lane > > -- > Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
