内容简介:WCDB 1.0.4 已发布,WCDB 是腾讯开源的一个高效、完整、易用的移动数据库框架,基于 SQLCipher ,支持 iOS、macOS 和 Android 。 更新内容: Repair Kit Add sqliterk_cancel function to cancel ongoing ou...
WCDB 1.0.4 已发布,WCDB 是腾讯开源的一个高效、完整、易用的移动数据库框架,基于 SQLCipher ,支持 iOS、macOS 和 Android 。
更新内容:
Repair Kit
Add
sqliterk_cancelfunction to cancel ongoing output operations.Add corresponding Java interface to cancel operations on Android.
iOS
Builtin
WCTColumnCodingsupports allid<NSCoding>objects now.Compatible with iOS 11.
Fullfsyncis used by default for data integrity.Add
-initWithExistingTag:forWCTDatabaseto get existing database without path.
WCTDatabase* database = [WCTDatabase [alloc] initWithPath:path]; database.tag = 123; WCTDatabase* withoutPath = [[WCTDatabase alloc] initWithExistingTag:123];
Some minor bug fixes, performance improvement and code refactor.
Android
Add asynchronous checkpointing support and custom checkpointing callback. This can
improve performance in WAL mode.
SQLiteDatabase db = SQLiteDatabase.openOrCreateDatabaseInWalMode(...);
// Use asynchronous checkpointing.
db.setAsyncCheckpointEnabled(true);
// OR use custom checkpointer.
SQLiteCheckpointListener callback = new SQLiteCheckpointListener() {
//...
};
db.setCheckpointCallback(callback);Add
SQLiteTrace.onConnectionObtained(...)interface to trace concurrency performance.Add cancelable version of
SQLiteDatabase.execSQL(). SeeCancellationSignalfor details.
CancellationSignal signal = new CancellationSignal(); db.execSQL(longRunningSQL, args, signal); // on another thread signal.cancel();
Enable
SQLITE_ENABLE_FTS3_PARENTHESIScompilation option on SQLCipher, which enablesAND,ORoperators in FTS3/4.Use
CancellationSignalfor cancelingBackupKit,RecoverKitandRepairKitoperations. See repair sample for details.Add callback interface for
RepairKitto show progress to the users. SeeRepairKit.CallbackandRepairKit.setCallback().Do not load
libwcdb.soif it's already loaded on the first use. This makes WCDB compatible to Tinker framework.Various bug fixes.
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【声明】文章转载自:开源中国社区 [http://www.oschina.net]
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Robert Sedgewick、Philippe Flajolet / Addison-Wesley Professional / 1995-12-10 / CAD 67.99
This book is a thorough overview of the primary techniques and models used in the mathematical analysis of algorithms. The first half of the book draws upon classical mathematical material from discre......一起来看看 《An Introduction to the Analysis of Algorithms》 这本书的介绍吧!