Hi Ari, thanks for the response. This would be a very good 3.0 feature if it is not already present.
In Hibernate this functionality is performed as a flush operation, where CRUD operations are performed against the transaction but are not actually committed. Would this would cause issues with Cayenne PK generation strategy, are the highest/last table id values they maintained in memory? regards Malcolm Edgar On Feb 18, 2008 3:16 PM, Aristedes Maniatis <[EMAIL PROTECTED]> wrote: > > On 18/02/2008, at 2:07 PM, Malcolm Edgar wrote: > > > Is there a way in Cayenne, possibly using Transactions, that we can > > perform this import, do inserts and queries against the transaction > > and only commit/rollback at the end? > > Subclass the Cayenne context, override performQuery and add in your > own custom code there to look for new objects within the context? > There is almost certainly a way to have a database transaction cross > several Cayenne commits as well, but I can't assist there. > > In fact we've done this several times in our application and I was > just thinking the other day whether this might be an option in a new > generified performQuery and might be useful to be pushed into Cayenne. > > > Ari Maniatis > > > --------------------------> > ish > http://www.ish.com.au > Level 1, 30 Wilson Street Newtown 2042 Australia > phone +61 2 9550 5001 fax +61 2 9550 4001 > GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A > > >