"Markus Wollny" <Markus.Wollny@computec.de> writes:
> Everything works fine. It's sort of less elegant though than having just the one generic trigger function and
configuringthe needed fields in the trigger itself.
It should work if you explicitly change the column's type to
pg_catalog.tsvector. (There's a fix in place for 8.3.2, also.)
regards, tom lane