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15 lines
786 B
Swift
15 lines
786 B
Swift
import CoreData
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extension NSManagedObjectContext {
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/// Executes the given `NSBatchDeleteRequest` and directly merges the changes to bring the given managed object context up to date.
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///
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/// - Parameter batchDeleteRequest: The `NSBatchDeleteRequest` to execute.
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/// - Throws: An error if anything went wrong executing the batch deletion.
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func executeAndMergeChanges(_ batchDeleteRequest: NSBatchDeleteRequest) throws {
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batchDeleteRequest.resultType = .resultTypeObjectIDs
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let result = try execute(batchDeleteRequest) as? NSBatchDeleteResult
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let changes: [AnyHashable: Any] = [NSDeletedObjectsKey: result?.result as? [NSManagedObjectID] ?? []]
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NSManagedObjectContext.mergeChanges(fromRemoteContextSave: changes, into: [self])
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}
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}
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