FYI, compress and decompress methods may be trivial.
For GiST you still need 7 support functions + the operator function, some of which aren't exactly simple to implement, the picksplit for instance.
-- Teodor Sigaev E-mail: [EMAIL PROTECTED] WWW: http://www.sigaev.ru/ ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly