db2中无法识别保存点

我有以下疑问-

SAVEPOINT A ON ROLLBACK RETAIN CURSORS;

select max(id) from testdb.table1;

ROLLBACK TO SAVEPOINT A;

commit

我得到以下错误

ROLLBACK TO SAVEPOINT A
DB21034E  The command was processed as an SQL statement because it was not a 
valid Command Line Processor command.  During SQL processing it returned:
SQL0880N  SAVEPOINT "A" does not exist or is invalid in this context.  
SQLSTATE=3B001

我是DB2新手，我没有得到任何start事务类型语句，但是存在commit

如何解决此错误

分辨率

我有以下几点-

update command options using c OFF; 

SAVEPOINT A ON ROLLBACK RETAIN CURSORS;

select max(id) from testdb.table1;

ROLLBACK TO SAVEPOINT A;

commit;

update command options using c ON ;

update command options using c OFF; 

SAVEPOINT A ON ROLLBACK RETAIN CURSORS;

select max(id) from testdb.table1;

ROLLBACK TO SAVEPOINT A;

commit;

update command options using c ON ;

在我的背景下，它运行良好