text: create schema if not exists partitioning;
  set search_path to partitioning;
  \i  ./map_by_datetime.tbl
  \i  ./map_by_datetime_partitions.tbl
  \i  ./map_by_datetime_ddl.tbl
  \i  ./map_by_datetime_ddl_errors.tbl
  \i  ./execute_ddl.fnc
  \i  ./create_by_datetime.fnc
  \i  ./drop_by_datetime.fnc
  \i  ./transfer_data_to_partitions.fnc