Hi,I have backup functionality which takes the NSManaged Object and save them as JSON File.The JSON looks like this :[
{
"id": "58454F9D-08BC-4302-A5FC-11545EFB8C42",
"created": 608479894.33327103,
"name": "Freezer",
"modified": 608479894.33327198
},
{
"id": "3AB234DF-E16D-43BE-AA57-CA14E729EEA8",
"created": 608479894.33316803,
"name": "Fridge",
"modified": 608479894.33318496
},
{
"id": "6FA1E8D0-8629-413B-9C71-0377260ECFFF",
"created": 608479894.33331501,
"name": "Pantry",
"modified": 608479894.33331501
}
]And the corresponding NSManagedObject class looks as Below :@objc(Storage)
class Storage: NSManagedObject, Encodable {
// MARK: - Properties
@NSManaged public var id: String
@NSManaged public var name: String
@NSManaged public var created: Date
@NSManaged public var modified: Date
// MARK: - Encodable
public func encode(to encoder: Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encode(id, forKey: .id)
try container.encode(created, forKey: .created)
try container.encode(modified, forKey: .modified)
try container.encodeIfPresent(name, forKey: .name)
}
}As you can see it is a pretty simple NSManagedObject class, and both the JSON keys and the class attributes matches.The problem is that by using the NSBatchInsertRequest to import the JSON file back to the database this fails in the Created Date field parsing, whith the following error :Error Domain=NSCocoaErrorDomain Code=1550 "created is not valid."
UserInfo={NSValidationErrorObject=<NSSQLiteConnection: 0x7f809c607a90>,
NSLocalizedDescription=created is not valid., key=created, value=608485537.09696996,
NSValidationErrorKey=created, NSValidationErrorValue=608485537.09696996}Is there something I have missed, does NSBatchInsertRequest use it own Date parser different that the one defined by default On Swift JSON ?Looking forward for your help.
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