为多个 .realm 文件执行领域迁移
perform realm migration for multiple .realm files
我有多个领域文件,(每个用户登录我的应用程序一个)我需要运行为文件系统中的每个领域文件迁移
RLMRealmConfiguration *config = [RLMRealmConfiguration defaultConfiguration];
config.schemaVersion = 1;
config.migrationBlock = ^(RLMMigration *migration, uint64_t oldSchemaVersion) {
if (oldSchemaVersion < 1) {
//do the same changes for all file.realm in the filesystem
}
};
[RLMRealmConfiguration setDefaultConfiguration:config];
[RLMRealm defaultRealm];
如何为每个文件系统数据库执行领域迁移而不仅仅是默认领域文件?
+[RLMRealm migrateRealm:]
在配置指定的路径执行 Realm 的迁移:
RLMRealmConfiguration *config = [RLMRealmConfiguration defaultConfiguration];
config.schemaVersion = 1;
config.migrationBlock = ...;
config.path = @"path 1";
[RLMRealm migrateRealm:config];
config.path = @"path 2";
[RLMRealm migrateRealm:config];
我有多个领域文件,(每个用户登录我的应用程序一个)我需要运行为文件系统中的每个领域文件迁移
RLMRealmConfiguration *config = [RLMRealmConfiguration defaultConfiguration];
config.schemaVersion = 1;
config.migrationBlock = ^(RLMMigration *migration, uint64_t oldSchemaVersion) {
if (oldSchemaVersion < 1) {
//do the same changes for all file.realm in the filesystem
}
};
[RLMRealmConfiguration setDefaultConfiguration:config];
[RLMRealm defaultRealm];
如何为每个文件系统数据库执行领域迁移而不仅仅是默认领域文件?
+[RLMRealm migrateRealm:]
在配置指定的路径执行 Realm 的迁移:
RLMRealmConfiguration *config = [RLMRealmConfiguration defaultConfiguration];
config.schemaVersion = 1;
config.migrationBlock = ...;
config.path = @"path 1";
[RLMRealm migrateRealm:config];
config.path = @"path 2";
[RLMRealm migrateRealm:config];