[ZODB-Dev] Re: [Persistence-sig] "Straw Man" transaction API

Barry A. Warsaw barry@zope.com
Thu, 1 Aug 2002 09:11:44 -0400


>>>>> "PJE" == Phillip J Eby <pje@telecommunity.com> writes:

    PJE> The one DBMS whose savepoint implementation I'm sufficiently
    PJE> familiar with to try and figure this out, won't allow this.
    PJE> You can only have one savepoint.

Do you mean you can only have one savepoint in total?

    PJE> I don't think many DBMS systems offer such flexible savepoint
    PJE> capabilities, so it's going to be important to work out what
    PJE> happens when a data manager can only support a single
    PJE> savepoint at a time.

Maybe multiple savepoint rollbacks can be implemented in the
connection by iterating through each individual savepoint.

-Barry