PHP8 cubrid_rollback
2024-03-29 09:16 更新
(PECL CUBRID >= 8.3.0)
cubrid_rollback — 回滚事务
说明
cubrid_rollback(resource $conn_identifier): boolcubrid_rollback（） 函数在 所指向的交易，目前在 进展。conn_identifier
调用 cubrid_rollback（） 后关闭与服务器的连接。但是，连接句柄是 仍然有效。
参数
conn_identifier连接标识符。
返回值
成功时返回 true， 或者在失败时返回 false。
示例
示例 #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");
$sql = <<<EOD
CREATE TABLE publishers(
pub_id CHAR(3),
pub_name VARCHAR(20),
city VARCHAR(15),
state CHAR(2),
country VARCHAR(15)
)
EOD;
if (!cubrid_execute($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);
?>以上示例会输出：
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
参见
- cubrid_commit（） - 提交事务
- cubrid_disconnect（） - 关闭数据库连接
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