Php/docs/function.cubrid-rollback
cubrid_rollback
(PECL CUBRID >= 8.3.0)
cubrid_rollback — Roll back a transaction
说明
cubrid_rollback
( resource $conn_identifier
) : bool
The cubrid_rollback() function executes rollback on the
transaction pointed by conn_identifier, currently in
progress.
Connection to server is closed after calling cubrid_rollback(). Connection handle, however, is still valid.
参数
conn_identifier- Connection identifier.
返回值
true, when process is successful.
false, when process is unsuccessful.
范例
Example #1 cubrid_rollback() example
<?php$conn = cubrid_connect("127.0.0.1", 33000, "demodb", "dba");cubrid_set_autocommit($conn,false);@cubrid_execute($conn, "DROP TABLE publishers");$sql = <<<EODCREATE TABLE publishers(pub_id CHAR(3), pub_name VARCHAR(20), city VARCHAR(15), state CHAR(2), country VARCHAR(15))EOD;if (!cubrid_execute($conn, $sql)) { printf("Error facility: %d\nError code: %d\nError msg: %s\n", cubrid_error_code_facility(), cubrid_error_code(), cubrid_error_msg()); cubrid_disconnect($conn); exit;}$req = cubrid_prepare($conn, "INSERT INTO publishers VALUES(?, ?, ?, ?, ?)");$id_list = array("P01", "P02", "P03", "P04");$name_list = array("Abatis Publishers", "Core Dump Books", "Schadenfreude Press", "Tenterhooks Press");$city_list = array("New York", "San Francisco", "Hamburg", "Berkeley");$state_list = array("NY", "CA", NULL, "CA");$country_list = array("USA", "USA", "Germany", "USA");for ($i = 0, $size = count($id_list); $i < $size; $i++) { cubrid_bind($req, 1, $id_list[$i]); cubrid_bind($req, 2, $name_list[$i]); cubrid_bind($req, 3, $city_list[$i]); cubrid_bind($req, 4, $state_list[$i]); cubrid_bind($req, 5, $country_list[$i]); if (!($ret = cubrid_execute($req))) { break; }}if (!$ret) { cubrid_rollback($conn);} else { cubrid_commit($conn); $req = cubrid_execute($conn, "SELECT * FROM publishers"); while ($result = cubrid_fetch_assoc($req)) { printf("%-3s %-20s %-15s %-3s %-15s\n", $result["pub_id"], $result["pub_name"], $result["city"], $result["state"], $result["country"]); }}cubrid_disconnect($conn);?>
以上例程会输出：
P01 Abatis Publishers New York NY USA P02 Core Dump Books San Francisco CA USA P03 Schadenfreude Press Hamburg Germany P04 Tenterhooks Press Berkeley CA USA
