On Mon, Jan 22, 2007 at 11:40:08AM -0500, Tom Lane wrote: > Ron Peterson <ron.peterson@xxxxxxxxxxxxxx> writes: > > That cleared one hurdle, but I'm still not there yet. > > > % select 'fe43d07c0c624786bebfcb3357a2a13a'::y_octet_16; > > y_octet_16 > > ---------------------------------- > > fe43d07c0c624786bebfcb3357a2a13a > > That's not invoking any cast function, but the type's typinput function > (applied to a C-string). > > > When things are connected up this way, > > what should the cast function expect to see as input? > > > % select encode( y_uuid_generate(), 'hex' )::y_octet_16; > > ERROR: input string contains invalid characters > > If it's a cast from TEXT, it'll get the internal form of a TEXT datum, > ie, a counted (and not null-terminated) string. You might look at > textin() and textout() to grok the difference. Got it working now. Thanks. -- Ron Peterson https://www.yellowbank.com/