# File lib/globalize/active_record/migration.rb, line 160
        def translation_index_name
          index_name = "index_#{translations_table_name}_on_#{table_name.singularize}_id"
          index_name.size < connection.index_name_length ? index_name :
            "index_#{Digest::SHA1.hexdigest(index_name)}"[0, connection.index_name_length]
        end