CREATE TABLE file_data (
  file_id uuid NOT NULL REFERENCES file(id) DEFERRABLE,
  id uuid NOT NULL,

  created_at timestamptz NOT NULL DEFAULT now(),
  modified_at timestamptz NOT NULL DEFAULT now(),
  deleted_at timestamptz NULL,

  type text NOT NULL,
  backend text NULL,

  metadata jsonb NULL,
  data bytea NULL,

  PRIMARY KEY (file_id, id)

) PARTITION BY HASH (file_id);

CREATE TABLE file_data_00 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 0);
CREATE TABLE file_data_01 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 1);
CREATE TABLE file_data_02 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 2);
CREATE TABLE file_data_03 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 3);
CREATE TABLE file_data_04 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 4);
CREATE TABLE file_data_05 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 5);
CREATE TABLE file_data_06 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 6);
CREATE TABLE file_data_07 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 7);
CREATE TABLE file_data_08 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 8);
CREATE TABLE file_data_09 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 9);
CREATE TABLE file_data_10 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 10);
CREATE TABLE file_data_11 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 11);
CREATE TABLE file_data_12 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 12);
CREATE TABLE file_data_13 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 13);
CREATE TABLE file_data_14 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 14);
CREATE TABLE file_data_15 PARTITION OF file_data FOR VALUES WITH (MODULUS 16, REMAINDER 15);

CREATE INDEX file_data__deleted_at__idx
    ON file_data (deleted_at, file_id, id)
 WHERE deleted_at IS NOT NULL;