Is it OK to perform a fetch during validateForInsert:/
validateForUpdate:? I have a Core Data entity named 'Person' with an
attribute named 'uniqueNumber'. I want to ensure that no two People
have the same uniqueNumber.
It's not a great idea during validateForDelete: It fine during
Namaste!
This is off-list.
You know, I just went through this with the validateKey: bit. I found
that a side effect of fetching during that validateKey was the save
all pending changes bug.
I then tried the performSelector, which worked, however, then the
validateKey was no longer
Guess that WASN'T off-list. Sorry for the noise!
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