rc rollback

Tags: notation text margin private except NOP BSP OID ROMThe common notation for JDBC manual transaction commit rollback has been that rollback is written after the commit catch: Try　　{ Conn.setautocommit (false); Ps.executeupdate (); Ps.executeupdate (); conn.commit (); } Catch (Exception e) { } However, there is no point in this rollback: Once a c

1. To support transactions within the program, the first connected database and data table must support the transaction MySQL for example:Database InnoDB Support TransactionsData table Support transactions: InnoDB support Transaction2. Framework thinkphp Support Transaction code Public functionTestrollback () {$model 1= D (' Item ');$model 2= D (' vote ');$model 1-Starttrans ();$res 1=$model 1->where (' id = 5 ')Delete ();$res 2=$model 2->where (' id = 2 ')Delete ();d UMP ($res 1);d UMP ($res 2)

1. To support transactions within the program, the first connected database and data table must support the transaction MySQL for example: Database InnoDB Support Transactions Data table Support transactions: InnoDB support Transaction 2. Framework thinkphp Support Transaction code Public function $model 1 = d (' item '$model 2 = d (' vote '$model 1 , $res 1 $model 1->where (' id = 5 ')$res 2$model 2->where (' id = 2 ') Delete ();d UMP ($res 1);d UMP ($res 2if($res 1 $res 2$model 1// on

Thinkphp transaction rollback and original PHP transaction rollback instances, thinkphp instances 1. To support transactions in the program, the connected database and data table must support transaction mysql as an example: Database InnoDB supports transactions Data Tables support transactions: InnoDB supports transaction 2. The thinkphp framework supports transaction code. Public function testrollback

thinkphp transaction rollback processing and the original PHP transaction rollback instance 1. To support transactions within the program, the first connected database and data table must support the transaction MySQL for example: Database InnoDB Support Transactions Data table Support transactions: InnoDB support Transaction 2. Framework thinkphp Support Transaction code Public functionTestrollback ()

Clear a Fragment in the Fragment rollback stack and clear the fragment rollback Stack exit method:GetActivity (). getsuppfrfragmentmanager (). popBackStackImmediate (CreateOneFragment. class. getName (), FragmentManager. POP_BACK_STACK_INCLUSIVE ); That is, the Fragment of all (including itself) above the Tag CreateOneFragment is displayed. PopBackStackImmediate (name, flag ); The second parameter can only

processed for transactional enhancement, and the resulting service will be provided as-is (without transaction enhancement and therefore no transaction processing power). So we must not scan the controller in Root-context.xml. The above problem was not rolled back, and it was later learned that Spring would only trigger a rollback if the unchecked (runtimeexception) exception occurred in the program's run. Because it is a server that interacts d

Spring does not roll back when an exception is caught in the catchWhy don't you roll?? Spring AOP Exception Trapping principle: The method being intercepted explicitly throws an exception and cannot be processed so that the AOP agent catches the exception of the method before it can be rolled back, and AOP captures only runtimeexception exceptions by default;Solution:1, such as service layer processing transaction, then the method in the service does not do the exception capture, or in the Catch

14.5.5.2 deadlock detection and Rollback deadlock detection and rollback InnoDB automatic transaction deadlock and rollback a transaction InnoDB try to pick a small transaction to roll back and forth, the size of the transaction is Rows inserted, updated, or deleted the number of determined InnoDB know the table lock if Innodb_table_locks = 1 (the default) a

Tags: http ar data HTML sp on EF C htmWe can define the SavePoint (savepoint) during the MySQL transaction process and roll back to the state before the specified savepoint.The syntax for defining a savepoint and rolling back to the state before the specified savepoint is as follows. Define save Point---savepoint save name; Roll back to the specified savepoint---ROLLBACK to savepoint save name: The following demonstration will insert

Java Spring transaction rollback details, rollback Pring Spring transaction rollback 1. Problems Encountered When there are multiple database storage operations in one method, database operations in the middle are incorrect. The pseudocode is as follows: Public method () {Dao1.save (Person1); Dao1.save (Person2); Dao1.save (Person2); // if an error occurs, the fi

Git correct rollback code method, git rollback code How does git correctly roll back the Code: Method: delete remote branch and submit againFirst, ensure that the current workspace is clean and consistent with the remote branch code; back up the current Branch (if necessary); restore to the specified commit hash; This command is used to obtain all the commit IDs of the branch: git log -- pretty = onelin

1. Open the command line terminal2. CD + project or file directory3. SVN update project directory or file directory -r version numberSelect the file in Xcode, right-click "Show in Finder" (You can also use the shortcut keys, but to add Yo Xcode->preferences->key Bindings, brother with Command+9), The file will open in the FinderThen directly drag the file to the terminal, the file path is added to the command line terminal, run the above command, you can update to the version you want ~I'll tell

$ LS-LD/etc/rc. dDrwxr-XR-x 10 Root 352 February 13 13:38/etc/rc. d/$ LS-LD/etc/init. dLrwxrwxrwx 1 Root 11 February 13 13:38/etc/init. d-> rc. d/init. d/ One is another soft link. Etc/rc. d/init. D contains some scripts for the INIT process (that is, process 1) to choose to run init according to the startup running le

Linux has its own complete startup system, which captures the context of Linux Startup. the Linux Startup Process will no longer be mysterious. In this article, we assume that the init tree set in inittab is: /Etc/rc. d/rc0.d/Etc/rc. d/rc1.d/Etc/rc. d/rc2.d/Etc/rc. d/rc3.d/Etc/rc