YapDatabaseSecondaryIndexConnection

@interface YapDatabaseSecondaryIndexConnection : YapDatabaseExtensionConnection

/**
 * Returns the parent instance.
 */
@property (nonatomic, strong, readonly) YapDatabaseSecondaryIndex *secondaryIndex;

/**
 * The queryCache speeds up the transaction methods. (enumerateXMatchingQuery:usingBlock:)
 *
 * In order for a query to be executed, it first has to be compiled by SQLite into an executable routine.
 * The queryCache stores these compiled reusable routines, so that repeated queries can be executed faster.
 *
 * Please note that, in terms of caching, only the queryString matters. The queryParameters do not.
 * That is, if you use the same queryString over and over, but with different parameters,
 * you will get a nice benefit from caching as it will be able to recyle the compiled routine,
 * and simply bind the different parameters each time.
 *
 * By default the queryCache is enabled and has a limit of 10.
 *
 * To disable the cache entirely, set queryCacheEnabled to NO.
 * To use an inifinite cache size, set the queryCacheLimit to ZERO.
 */
@property (atomic, assign, readwrite) BOOL queryCacheEnabled;
@property (atomic, assign, readwrite) NSUInteger queryCacheLimit;

@end

Undocumented

  • Returns the parent instance.

    Declaration

    Objective-C

    @property (readonly, strong, nonatomic)
    YapDatabaseSecondaryIndex *_Nonnull secondaryIndex;

    Swift

    var secondaryIndex: YapDatabaseSecondaryIndex { get }

  • The queryCache speeds up the transaction methods. (enumerateXMatchingQuery:usingBlock:)

    In order for a query to be executed, it first has to be compiled by SQLite into an executable routine. The queryCache stores these compiled reusable routines, so that repeated queries can be executed faster.

    Please note that, in terms of caching, only the queryString matters. The queryParameters do not. That is, if you use the same queryString over and over, but with different parameters, you will get a nice benefit from caching as it will be able to recyle the compiled routine, and simply bind the different parameters each time.

    By default the queryCache is enabled and has a limit of 10.

    To disable the cache entirely, set queryCacheEnabled to NO. To use an inifinite cache size, set the queryCacheLimit to ZERO.

    Declaration

    Objective-C

    @property (assign, readwrite, atomic) BOOL queryCacheEnabled;

    Swift

    var queryCacheEnabled: Bool { get set }

  • Undocumented

    Declaration

    Objective-C

    @property (atomic, assign, readwrite) NSUInteger queryCacheLimit

    Swift

    var queryCacheLimit: UInt { get set }