ios - Do I need a new data model version when changing minimum count of a relationship? -



ios - Do I need a new data model version when changing minimum count of a relationship? -

i have core info database several object models. in 1 of relationships have minimum required count of 1 1 of many relationships. can remove minimum without forcing migration or need create new model version create little change?

well, did more research on , turns out removing minimum does forcefulness migration, must create new model version little of change.

ios core-data core-data-migration

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