def identify(label, column_type = :integer)
      if column_type == :uuid
        NamedSeeds.uuid_v5(label)
      else
        Zlib.crc32(label.to_s) % MAX_ID
      end
    end
def identify(label, column_type = :integer)
      if column_type == :uuid
        NamedSeeds.uuid_v5(label)
      else
        Zlib.crc32(label.to_s) % MAX_ID
      end
    end
Copy of ActiveRecord::Fixtures.identify method.
 Returns a consistent, platform-independent identifier for +label+.
 Integer identifiers are values less than 2^30.
 UUIDs are RFC 4122 version 5 SHA-1 hashes.