Hallo!
Before I get the NPE in the setToManyTarget
(please see the 'NullPointerException when setting deletion rules' thread)
I get one in setToOneTarget, because I have the 'No Action'-delete rule
for the relationship timeintervals->room.
So I vote for 'Nullify' action :-), this avoids the NPE ...
But we should highlight the phrase in the docs:
"Though this is a default (the 'No Action'), it is not very useful, and
can lead to object graph corruption in many cases. It is developer
responsibility to select a more meaningful delete rule."
Peter.
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