Php/func mysqli autocommit
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PHP mysqli autocommit()函数
示例-面向对象的样式
关闭自动提交,进行一些查询,然后提交查询:
<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");
if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
exit();
}
// Turn autocommit off
$mysqli -> autocommit(FALSE);
// Insert some values
$mysqli -> query("INSERT INTO Persons (FirstName,LastName,Age)
VALUES ('Peter','Griffin',35)");
$mysqli -> query("INSERT INTO Persons (FirstName,LastName,Age)
VALUES ('Glenn','Quagmire',33)");
// Commit transaction
if (!$mysqli -> commit()) {
echo "Commit
transaction failed";
exit();
}
$mysqli -> close();
?>
在底部查看程序样式的示例。
定义和用法
autocommit()/ mysqli_autocommit()函数打开或关闭自动提交数据库修改。
Tip: 也看看 承诺()
函数,用于提交指定数据库连接的当前事务,以及 rollback()
函数,它回滚当前事务。
句法
面向对象的样式:
$mysqli -> autocommit(mode)
程序风格:
mysqli_autocommit(connection, mode)
参数值
| 参数 | 描述 |
|---|---|
| connection | 需要。指定要使用的MySQL连接 |
| mode | 需要。FALSE关闭自动提交。TRUE打开自动提交(并提交所有等待的查询) |
技术细节
| 返回值: | 成功则为真。失败时为假 |
| PHP版本: | 5+ |
示例-程序风格
关闭自动提交,进行一些查询,然后提交查询:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit;
}
// Turn autocommit off
mysqli_autocommit($con,FALSE);
// Insert some values
mysqli_query($con,"INSERT INTO Persons (FirstName,LastName,Age)
VALUES ('Peter','Griffin',35)");
mysqli_query($con,"INSERT INTO Persons (FirstName,LastName,Age)
VALUES ('Glenn','Quagmire',33)");
// Commit transaction
if (!$mysqli_commit($con)) {
echo
"Commit transaction failed";
exit();
}
// Close connection
mysqli_close($con);
?>