disable_referential_integrity

# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 189
      def disable_referential_integrity # :nodoc:
        old = query_value("PRAGMA foreign_keys")

        begin
          execute("PRAGMA foreign_keys = OFF")
          yield
        ensure
          execute("PRAGMA foreign_keys = #{old}")
        end
      end