https://docs.djangoproject.com/en/3.0/topics/db/transactions/ You may need to manually revert model state when rolling back a transaction. The values of a model's fields won't be reverted when a transaction rollback happens. This could lead to an inc
使用EF6你有新的事务处理可以使用类似于: 复制代码 using (var context = new PostEntityContainer()) { using (var dbcxtransaction = context.Database.BeginTransaction()) { try { PostInformation NewPost = new PostInformation() { PostId = 101, Content = "This is my first Post re
最近rails3.2在更改数据库表字段,然后要回滚取消,但在运行rake db:rollback命令,错误: rake aborted! An error has occurred, all later migrations canceled: ActiveRecord::IrreversibleMigration/usr/local/rvm/gems/ruby-1.9.3-p392/gems/activerecord-3.2.14/lib/active_record/migration/com