I wrote:
> Would you confirm that
> select atttypid from pg_attribute where attrelid = 'public.ct_com_board_message'::regclass and attname = 'idxfti';
> gives 3614 (the preassigned OID for pg_catalog.tsvector)?
Actually, I'll bet a nickel that you'll find it doesn't, but rather
returns the OID of the domain over tsvector that the new
contrib/tsearch2 module creates. It's clearly a bug that the built-in
trigger doesn't allow the domain alias to be used --- will fix.
regards, tom lane