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I have an entity with an attribute called "plainText" which stores text of type "String".

I want to fetch the objects based on a custom sort descriptor which is used in fetchedResultscontroller's fetch.

Example :- I have objects which has plainText containing "He", "When", "Whenever", when I search for words which contains "He", The first object should be the object which has "He" i.e exact match. followed by other matches.

My fetch looks like this

var fetch: NSFetchRequest<CoreNote> = CoreNote.fetchRequest()

fetch.predicate = NSPredicate(format: "plainText CONTAINS[c] %@", searchString)

As I am using fetchedResultsController, I should not process the objects after the fetch happens.

refer this :- https://stackoverflow.com/a/13045887/8409258

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  • This can’t be done since you can’t have any kind of dynamic logic in a sort descriptor. Commented Feb 20 at 8:19
  • Is there any way I can solve for my use case ? Suggest me an approach if you know. Commented Feb 20 at 9:47
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