Method check_sys_fields

sql/handler.cc:9518–9536

bool Vers_type_timestamp::check_sys_fields(const LEX_CSTRING &table_name,
                                           const Column_definition *row_start,
                                           const Column_definition *row_end) const
{
  if (!is_versioning_timestamp(row_start))
  {
    require_timestamp_error(row_start->field_name.str, table_name.str);
    return true;
  }

  if (row_end->type_handler()->vers() != this ||
      !is_versioning_timestamp(row_end))
  {
    require_timestamp_error(row_end->field_name.str, table_name.str);
    return true;
  }

  return false;
}


bool Vers_type_trx::check_sys_fields(const LEX_CSTRING &table_name,