[sdo] [SDO-30]: Ability to disable change tracking for certainnodes in the data object tree

[Radu Preotiuc-Pietro <radup@bea.com>]

Steve Brodsky [27/Apr/06 06:38 PM] 
Could you give an example? 

Also, what happens for some edge cases, when there is a relationship
between tracked and not tracked objects? Containment, bidirectional
references, and references to and from track & non-tracked?


Omar Halaseh [08/May/06 08:37 PM] 
Can you please clarify your edge cases? Why is containment dependent on
change summary?

One of the use cases for us, is if the group agreed that Type & Property
are data objects, then we would like to disable change tracking for
them.


Steve Brodsky [12/May/06 01:12 AM] 
The change summary that tracks a DataObject is determined by
containment. If a DataObject is removed from a data graph and then added
to a different data graph, it is be tracked by different change
summaries.
Any objects that cannot be changed (Type and Property after define for
example) would not need change tracking because there would be no
allowed changes that could get tracked. Also it would be very unusual to
put Type and Property into a data graph.




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