Ivan Sergio Borgonovo <mail@xxxxxxxxxxxxxxx> writes: > Any other resource that will help me to write my own contrib? You could try out the following, but it deals a lot with GiST specifics… http://wiki.postgresql.org/wiki/Image:Prato_2008_prefix.pdf Regards, -- dim -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general