method

identify

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What's this?

identify(label, column_type = :integer) public

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.

# File activerecord/lib/active_record/fixtures.rb, line 617
      def identify(label, column_type = :integer)
        if column_type == :uuid
          Digest::UUID.uuid_v5(Digest::UUID::OID_NAMESPACE, label.to_s)
        else
          Zlib.crc32(label.to_s) % MAX_ID
        end
      end

identify

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