34 lines
859 B
Objective-C
Executable File
34 lines
859 B
Objective-C
Executable File
//
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// NSString+RSDatabase.h
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// RSDatabase
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//
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// Created by Brent Simmons on 3/27/15.
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// Copyright (c) 2015 Ranchero Software, LLC. All rights reserved.
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//
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@import Foundation;
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@interface NSString (QSDatabase)
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/*Returns @"(?, ?, ?)" -- where number of ? spots is specified by numberOfValues.
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numberOfValues should be greater than 0. Triggers an NSParameterAssert if not.*/
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+ (NSString *)rs_SQLValueListWithPlaceholders:(NSUInteger)numberOfValues;
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/*Returns @"(someColumn, anotherColumm, thirdColumn)" -- using passed-in keys.
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It's essential that you trust keys. They must not be user input.
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Triggers an NSParameterAssert if keys are empty.*/
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+ (NSString *)rs_SQLKeysListWithArray:(NSArray *)keys;
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/*Returns @"key1=?, key2=?" using passed-in keys. Keys must be trusted.*/
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+ (NSString *)rs_SQLKeyPlaceholderPairsWithKeys:(NSArray *)keys;
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@end
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