Learn how to use savepoints as part of transaction management in your application when using the Microsoft JDBC Driver for SQL Server.
See License.txt in the project root for license information.3 3 4 + using System.Threading.Tasks; 5 + using Microsoft.Data.SqlClient; 6 + using Microsoft.EntityFrameworkCore.Diagnostics; 4 7 using Microsoft.EntityFrameworkCore.Infrastructure; ...
SQL Server handles this with a feature called savepoints. Savepoints are markers that act like bookmarks. You mark a certain point in the flow of the transaction, and then you can roll back to that point.You set the savepoint using the Transaction.Save() method. Note that the Save() met...
-- 设置从savepoint恢复的路径SET execution.savepoint.path='hdfs://hadoop102:8020/sp/savepoint-0e0742-7e2154873185';-- 之后直接提交sql,就会从savepoint恢复--允许跳过无法还原的保存点状态set 'execution.savepoint.ignore-unclaimed-state' = 'true'; 5)恢复后重置路径 注意:我们设置 savepoint 恢复路径后,...
1 row in set(0.00 sec) 通过上面的实验可以发现,当参数completion_type设置为2时,COMMIT WORK后,我们再执行select @@version,会出现ERROR 2006(HY000):MySQL server has gone away的错误,这其实就是因为当前会话已经在上次执行COMMIT WORK语句后与服务器断开了连接。
Confirmed: in SQL Server, MARS and savepoints are incompatible. added this to the5.0.1 Here's a workaround that disables savepoints which can be used with 5.0.0, reverting to the 3.1 behavior: publicclassMyDbContext:DbContext{protectedoverridevoidOnConfiguring(DbContextOptionsBuilderoptionsBuilder)...
Savepoints are incompatible with SQL Server's Multiple Active Result Sets, and are not used. If an error occurs during SaveChanges, the transaction may be left in an unknown state. References docs.microsoft.com/en-u github.com/WeihanLi/Sam ...
其他非相关信息我都隐藏掉了[(yejr@imysql.com)]> show slave status \G;Slave_IO_Running: YesSlave_SQL_Running: NoLast_Errno: 1064Last_Error: Error 'You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to ...
An SQL savepoint represents the state of data and schemas at a particular point in time within a unit of work. You can use SQL statements to set a savepoint, release a savepoint, and restore data and schemas to the state that the savepoint represents. The IBM® Data Server Driver for ...
SAVEPOINT<savepoint_name> Description SAVEPOINTestablishes a new savepoint in the current transaction. A savepoint is a mark inside a transaction that allows all commands that are executed after it to be rolled back. This restores the transaction state to what it was at the savepoint. ...