create table itemses (
  type text references items_types not null,
  format text references format_types,
  items ,
  collection_format text references collection_format_types,
  default text,
  maximum bigint,
  exclusive_maximum boolean,
  minimum bigint,
  exclusive_minimum boolean,
  max_length integer,
  min_length integer,
  pattern text,
  max_items integer,
  min_items integer,
  unique_items boolean,
  enum ,
  multiple_of bigint
);

comment on column itemses.items is '
  NOTE: This is required if type is 'array'
';