Greg Stark <greg.stark@enterprisedb.com> writes:
> Huh, I didn't realize that ever worked in the past. I thought the way
> to do what the op describes was to cast it to text[] or whatever
> datatype you from out-of-band knowledge to expect.
We don't seem to allow that either ...
regression=# select array_to_string(histogram_bounds::text[], '-') from pg_stats where attname = 'unique2' and
tablename= 'tenk1';
ERROR: cannot cast type anyarray to text[]
LINE 1: select array_to_string(histogram_bounds::text[], '-') from ... ^
regards, tom lane