A while back, I posted an idea for Microsoft and Apple to put a rollback option into Windows and MacOS (OS X), but today's idea is to take it one step further, and build the rollback into the hard drive itself... [More]Continue...Hard Drives With an Undo Option... [ 5656 Vie...
The callback function receives 3 parameters: the redis instance, the channel name, and the message.Examplefunction f($redis, $chan, $msg) { switch($chan) { case 'chan-1': ... break; case 'chan-2': ... break; case 'chan-2': ... break; } } $redis->subscribe(array('chan-1...
(32 rows) + + +test=> rollback to one; +ROLLBACK +``` + +打开第二个SESSION执行: + +``` +test=> vacuum tbl_test; +VACUUM +``` + +回到第一个SESSION执行: + +``` +test=> insert into tbl_Test (id) values (31); +INSERT 0 1 +test=> insert into tbl_Test (id) values...