--
-- acs_datatype__timestamp_output_function/1
--
create or replace function acs_datatype__timestamp_output_function(
  text
) returns text as $$

declare
  p_attribute_name alias for $1;
begin
  return 'to_char(' || p_attribute_name || ', ''YYYY-MM-DD HH24:MI:SS'')';
end;$$ language plpgsql;