Fmdb intransaction
WebFeb 3, 2016 · I'm using FMDB FMDatabaseQueue for read/write into multi-threaded app database. here is my code that looks like,. In background thread: [queue inTransaction:^(FMDatabase *db, BOOL *rollback) { for (NSDictionary *dic in ary) { … WebMar 20, 2024 · FMDB is an Objective-C wrapper around the C-style API provided by Apple for SQLite. It's important to note the SQLite is not an Apple proprietary technology. ... queue.inTransaction { db, rollback ...
Fmdb intransaction
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WebSep 15, 2014 · FMDBDatabaseQueue *queue = xxxxx [queue inTransaction:^{xxxxxx}] What is the difference between database.beginTransaction and databaseQueue.inTransaction? As I see inTransaction just do putting the sql actions in a queue, but beginTransaction seems to do something in sqlite level. WebFeb 21, 2014 · The DATABASE should be the full path to the encrypted database you want to create, in this case, string ecDB, and the KEY parameter is the key that’s going to be use to ENCRYPT your database, so choose a strong one. Now on your FMDB functions, call [db setKey:@"strongKey"] after every time you open the db.
WebFeb 22, 2012 · In fact, to me, the "inTransaction" method should be a method of the FMDatabase instance itself. In fact, instead of a new class FMDatabaseQueue, every … WebFeb 28, 2024 · The IDBTransaction interface of the IndexedDB API provides a static, asynchronous transaction on a database using event handler attributes. All reading and …
WebStack Overflow The World’s Largest Online Community for Developers WebMay 26, 2015 · It's hard to say for sure what is going wrong without seeing what calls you are making to fmdb, but it sounds like you are making a call to inTransaction from within an existing inTransaction block. This isn't allowed and should never really need to happen, just make all your updates from the first transaction block.
WebFMDB is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms FMDB - What does FMDB stand for? The Free Dictionary
WebSep 27, 2016 · Using FMDB on multiple threads and two connections. FMDatabase for all READ queries and FMDatabaseQueue for all UPDATE queries. Both are handled by a singleton, which keeps both types open the whole time while the app is running. Both, read and update queries, are used in different threads as some tasks in my app are … great to hear in spanishWebApr 2, 2024 · Database becomes malformed if set key in transaction. Dear Gus, thank you very much. I did it the way you described (dropping the .a file onto the cocoa. File … great to hear that 意味WebApr 24, 2024 · FMDB的封装,操作简单,线程安全,扩展性强,直接操作model或dictionary. Contribute to gaojunquan/JQFMDB development by creating an account on GitHub. great to hear from you imagesWebWithin the closure, rollback is a pointer to a boolean variable and you can set it to true with: if !success { rollback.memory = true return } In Swift 3 it would be. rollback.pointee = true. … florida bass nation youthWebApr 9, 2024 · FMDB. FMDB是iOS平台的SQLite数据库框架 FMDB以OC的方式封装了SQLite的C语言API. FMDB的优点 使用起来更加面向对象,省去了很多麻烦、冗余的C … florida bass fishing tipsWeb应用沙盒. 为了缓解这个问题,App Sandbox 策略有两个方面: 应用沙盒使您能够描述您的应用如何与系统交互。然后,系统会授予您的应用完成工作所需的访问权限,仅此而已。 florida bass fishing lakesWebThe FMDB/SQLCipher subspec declares SQLCipher as a dependency, allowing FMDB to be compiled with the -DSQLITE_HAS_CODEC flag. ... To avoid confusion with … florida bass nation