text: -- +migrate Up
  create table device_queue_mapping (
      id bigserial primary key,
      created_at timestamp with time zone not null,
      reference text not null,
      dev_eui bytea references device on delete cascade not null,
      f_cnt int not null
  );
  
  create index device_queue_mapping_created_at on device_queue_mapping(created_at);
  create index device_queue_mapping_dev_eui on device_queue_mapping(dev_eui);
  
  -- +migrate Down
  drop index device_queue_mapping_dev_eui;
  drop index device_queue_mapping_created_at;
  drop table device_queue_mapping;