22 lines
1.0 KiB
Objective-C
22 lines
1.0 KiB
Objective-C
@import Cocoa;
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NS_ASSUME_NONNULL_BEGIN
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@interface NSFetchRequest<ResultType> (Ext)
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// Perform core data request and fetch data
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- (NSArray<ResultType>*)fetchAllRows:(NSManagedObjectContext*)moc;
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- (NSArray<NSManagedObjectID*>*)fetchIDs:(NSManagedObjectContext*)moc;
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- (NSDictionary*)fetchFirstDict:(NSManagedObjectContext*)moc; // limit 1
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- (ResultType)fetchFirst:(NSManagedObjectContext*)moc; // limit 1
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- (NSUInteger)fetchCount:(NSManagedObjectContext*)moc;
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// Selecting, filtering, sorting results
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- (instancetype)select:(NSArray<NSString*>*)cols; // sets .propertiesToFetch
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- (instancetype)where:(NSString*)format, ...; // sets .predicate
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- (instancetype)sortASC:(NSString*)key; // add .sortDescriptors -> ascending:YES
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- (instancetype)sortDESC:(NSString*)key; // add .sortDescriptors -> ascending:NO
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- (instancetype)addFunctionExpression:(NSString*)fn onKeyPath:(NSString*)keyPath name:(NSString*)name type:(NSAttributeType)type; // add .propertiesToFetch -> (expressionForFunction:@[expressionForKeyPath:])
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@end
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NS_ASSUME_NONNULL_END
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