Rollback?

Hello,

just out of curiosity:

Is the possibility to rollback changes on the roadmap of Modeling? This is 
for the case where several instances of an application using modeling run in 
parallel at different sites, and a transaction needs to be distributed over 
more than one instance of the application...

And, what would happen in Modeling if a different application, which does not 
pass through Modeling, but connects directly to the underlying database, 
modifies records in this database? Does Modeling go so far and notice when a 
lock on a record is acquired by a different application, lock the 
corresponding object in memory, and then update the objects in memory with 
the changes the other applications makes to the database? Or is such a 
function totally utopian? *duck*

TIA,

Sincerely,

Wolfgang Keller

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