a.txt

                                                  Table "public.stops"
             Column             |            Type             | Collation | Nullable |              Default
--------------------------------+-----------------------------+-----------+----------+-----------------------------------
 id                             | integer                     |           | not null | nextval('stops_id_seq'::regclass)
 order                          | integer                     |           | not null | 1
 stop_type_id                   | integer                     |           | not null |
 bus_route_id                   | integer                     |           | not null |
 location_id                    | integer                     |           |          |
 delay_in_seconds               | integer                     |           | not null | 0
 duration_in_seconds            | integer                     |           | not null | 0
 distance_in_km                 | integer                     |           | not null | 0
 arrival_time                   | timestamp without time zone |           |          |
 departure_time                 | timestamp without time zone |           |          |
 expected_arrival_time          | timestamp without time zone |           |          |
 expected_departure_time        | timestamp without time zone |           |          |
 description                    | text                        |           |          |
 created_at                     | timestamp without time zone |           |          |
 updated_at                     | timestamp without time zone |           |          |
 duration_in_traffic_in_seconds | integer                     |           | not null | 0
 duration_extra_in_seconds      | integer                     |           | not null | 0
 tickets_paid_at_departure      | integer                     |           | not null | 0
 state                          | character varying           |           | not null | 'offline'::character varying
 group                          | integer                     |           | not null | 1
 type                           | character varying           |           |          |

# FAILS
 xxx                            | text                        |           |          |
 yyy                            | text                        |           |          |

# does not fail
 xxx                            | text                        |           |          |

# does not fail
 xxx                            | integer                     |           |          |
 yyy                            | integer                     |           |          |

# does not fail
 xxx                            | character(1)                |           |          |
 yyy                            | character(1)                |           |          |