Method has_transactions

sql/handler.h:4170–4174

True if changes to the table is persistent (if there are no rollback) This is used to decide: - If the table is stored in the transaction or non transactional binary log - How things are tracked in trx and in add_changed_table(). - If we can combine several statements under one commit in the binary log. */

    - If we can combine several statements under one commit in the binary log.
  */
  bool has_transactions() const
  {
    return ((ha_table_flags() & (HA_NO_TRANSACTIONS | HA_PERSISTENT_TABLE))
            == 0);
  }
  /*
    True if table has both transactions and rollback. This is used to decide
    if we should write the changes to the binary log.  If this is true,