A policy that merges conflicts between the persistent store's version of the object and the current in-memory version by pushing the entire in-memory object to the persistent store.
SDKs
Framework
case overwriteMergePolicyType = 3
case errorDefault policy for all managed object contexts.
case mergeA policy that merges conflicts between the persistent store's version of the object and the current in-memory version by individual property, with the in-memory changes trumping external changes.
case mergeA policy that merges conflicts between the persistent store's version of the object and the current in-memory version by individual property, with the external changes trumping in-memory changes.
case rollbackA policy that merges conflicts between the persistent store's version of the object and the current in-memory version by discarding all state for the changed objects in conflict.