def build_create_join_table_definition(table_1, table_2, column_options: {}, **options) # :nodoc:
        join_table_name = find_join_table_name(table_1, table_2, options)
        column_options.reverse_merge!(null: false, index: false)

        t1_ref, t2_ref = [table_1, table_2].map { |t| reference_name_for_table(t) }