journal_partition_schema

psql> \d+ journal_0
                                                  Partitioned table “public.journal_0"
     Column      |   Type    | Collation | Nullable |                    Default                    | Storage  | Stats target | Description
-----------------+-----------+-----------+----------+-----------------------------------------------+----------+--------------+-------------
 ordering        | bigint    |           | not null | nextval('journal_ordering_seq'::regclass) | plain    |              |
 sequence_number | bigint    |           | not null |                                               | plain    |              |
 deleted         | boolean   |           | not null | false                                         | plain    |              |
 persistence_id  | text      |           | not null |                                               | extended |              |
 message         | bytea     |           | not null |                                               | extended |              |
 tags            | integer[] |           |          |                                               | extended |              |
Partition of: journal FOR VALUES IN ('p-0')
Partition constraint: ((persistence_id IS NOT NULL) AND (persistence_id = 'p-0'::text))
Partition key: RANGE (sequence_number)
Indexes:
    "journal_0_pkey" PRIMARY KEY, btree (persistence_id, sequence_number)
    "journal_0_ordering_idx" brin (ordering)
Partitions: journal_0_0 FOR VALUES FROM ('0') TO ('10000000'),
            journal_0_1 FOR VALUES FROM ('10000000') TO ('20000000')