code: private void commitTransaction() {
          Tenant tenant = Tenant.getTenant(m_tableDef);
          DBTransaction dbTran = DBService.instance(tenant).startTransaction();
          m_parentTran.applyUpdates(dbTran);
          DBService.instance(tenant).commit(dbTran);
          m_parentTran.clear();
      }
docs: Post all updates in the parent transaction to the database.