ALTER TABLE staff_sync_command_inbox
  DROP CONSTRAINT IF EXISTS staff_sync_command_inbox_correlation_id_check,
  DROP CONSTRAINT IF EXISTS staff_sync_command_inbox_causation_id_check;

ALTER TABLE staff_sync_command_inbox
  ALTER COLUMN correlation_id TYPE VARCHAR(36),
  ALTER COLUMN causation_id TYPE VARCHAR(36);

ALTER TABLE staff_sync_devices
  DROP CONSTRAINT IF EXISTS staff_sync_devices_tenant_id_org_unit_id_fkey;

ALTER TABLE staff_sync_devices
  ADD CONSTRAINT staff_sync_devices_tenant_id_org_unit_id_fkey
  FOREIGN KEY (tenant_id, org_unit_id)
  REFERENCES staff_org_units (tenant_id, id)
  ON DELETE SET NULL;