Files F12272692

NSManagedObjectContext+ExecuteAndMergeChanges.swift
No OneTemporary
Actions

Size

894 B

Subscribers

None

NSManagedObjectContext+ExecuteAndMergeChanges.swift
View Options

	import CoreData

	extension NSManagedObjectContext {
	/// Executes the given `NSBatchDeleteRequest` and directly merges the changes to bring the given
	/// managed object context up to date.
	///
	/// Credit: https://www.avanderlee.com/swift/nsbatchdeleterequest-core-data/
	///
	/// - Parameter batchDeleteRequest: The `NSBatchDeleteRequest` to execute.
	/// - Throws: An error if anything went wrong executing the batch deletion.
	public func executeAndMergeChanges(using batchDeleteRequest: NSBatchDeleteRequest) throws {
	batchDeleteRequest.resultType = .resultTypeObjectIDs
	let result = try execute(batchDeleteRequest) as? NSBatchDeleteResult
	let changes: [AnyHashable: Any] = [NSDeletedObjectsKey: result?.result as? [NSManagedObjectID] ?? []]
	NSManagedObjectContext.mergeChanges(fromRemoteContextSave: changes, into: [self])
	}
	}

File Metadata

Mime Type: text/plain
Expires: Thu, Nov 6, 5:25 AM (1 d, 18 h)
Storage Engine: blob
Storage Format: Raw Data
Storage Handle: 3467598

Event Timeline