Method update

sql/table.cc:10720–10739

}

bool TR_table::update(ulonglong start_id, ulonglong end_id)
{
  if (!table && open())
    return true;

  store(FLD_BEGIN_TS, thd->transaction_time());
  thd->set_time();
  my_timeval end_time= { thd->query_start(), thd->query_start_sec_part()};
  store(FLD_TRX_ID, start_id);
  store(FLD_COMMIT_ID, end_id);
  store(FLD_COMMIT_TS, end_time);
  store_iso_level(thd->tx_isolation);

  int error= table->file->ha_write_row(table->record[0]);
  if (unlikely(error))
    table->file->print_error(error, MYF(0));
  /* extra() is used to apply the bulk insert operation
  on mysql/transaction_registry table */
  return error;
}

#define newx new (thd->mem_root)
bool TR_table::query(ulonglong trx_id)