Hello, I have created a new data type using CREATE TYPE. Foreign keys constaints are not being respected with columns using the new type. As far as I can tell the new type is working correctly except for foreign keys. May be I have missed something when defining the new type. Is there something specific that needs to be done so that columns using the new type can be used as foreign keys? Thanks CREATE TYPE X ( INTERNALLENGTH = 16, INPUT = X_in, OUTPUT = X_out, RECEIVE = X_recv, SEND = X_send, alignment = CHAR ); CREATE OPERATOR CLASS X_ops DEFAULT FOR TYPE uuid USING btree AS OPERATOR 1 < , OPERATOR 2 <= , OPERATOR 3 = , OPERATOR 4 >= , OPERATOR 5 > , FUNCTION 1 X_cmp(X, X); __________________________________ Discover Yahoo! Find restaurants, movies, travel and more fun for the weekend. Check it out! http://discover.yahoo.com/weekend.html ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings