Hi,
I have this function:
CREATE FUNCTION add_one (integer) RETURNS integer AS '
BEGIN
RETURN $1 + 1;
END;
' LANGUAGE 'plpgsql';
from postgres doc.
When I try somethin like this:
SELECT add_one(4);
I get :
ERROR: fmgr_info: function 20086: cache lookup failed
please tell me what it's rong.