Method append

sql/sql_array.h:165–168

@retval false ok @retval true OOM, @c my_error() has been called. */

     @retval true  OOM, @c my_error() has been called.
  */
  bool append(const Elem &el)
  {
    return insert_dynamic(&array, &el);
  }

  /// Pops the last element. Does nothing if array is empty.
  Elem& pop()