[英]Insert and update into multiple tables, MySQL
我有兩張桌子。 我想在提交表單時使用parentcreate.php作為操作,並使用該文件在第一個表中插入幾個變量,同時用其中一個變量更新另一個表。 我已經在線搜索過,但發現最接近的是插入和更新單個表,而不是兩個不同的表。
提前致謝。
更新:
這是到目前為止的代碼,您可以看到它只是插入到第一個表中。
session_name('knine_settings_login');
session_set_cookie_params(1*1*1*15*60);
session_start();
mysql_connect('xxxx', 'xxxx', 'xxxx') or die(mysql_error());
mysql_select_db("xxxx") or die(mysql_error());
$ClassIDOne = mysql_real_escape_string($_POST["cidone"]);
$ClassIDTwo = mysql_real_escape_string($_POST["cidtwo"]);
$ClassIDThree = mysql_real_escape_string($_POST["cidthree"]);
$ClassIDFour = mysql_real_escape_string($_POST["cidfour"]);
$ClassIDFive = mysql_real_escape_string($_POST["cidfive"]);
$usr = $_SESSION["usr"];
mysql_query("SET NAMES 'utf8'") or die(mysql_error());
mysql_query("SET CHARACTER SET 'utf8'") or die(mysql_error());
$query="INSERT INTO knine_parent_db
SET usr = '$usr', ClassIDOne = '$ClassIDOne', ClassIDTwo = '$ClassIDTwo', ClassIDThree = '$ClassIDThree', ClassIDFour = '$ClassIDFour', ClassIDFive = '$ClassIDFive'";
我基本上想同時執行這兩個查詢:
$query="INSERT INTO knine_parent_db
SET usr = '$usr', ClassIDOne = '$ClassIDOne', ClassIDTwo = '$ClassIDTwo', ClassIDThree = '$ClassIDThree', ClassIDFour = '$ClassIDFour', ClassIDFive = '$ClassIDFive'";
$query="UPDATE knine_settings_login
SET ClassID = '$usr' WHERE usr ='$usr'";
您應該使用PDO,並在PHP手冊中閱讀此主題: 鏈接到PDO :: beginTransaction以及該一個和這個
您應該開始一個新事務,然后執行您的請求,檢查是否沒有錯誤,然后提交!
一旦使用PDO :: commit,查詢將返回到自動提交模式,然后您必須再次使用PDO :: beginTransaction來設置自動提交,並在單個事務中進行多個查詢。
那如何在一個事務中做多個請求。
就您而言,有一些代碼可以幫助您:
$query1 = "INSERT INTO knine_parent_db
SET usr = :usr,
ClassIDOne = :ClassIDOne,
ClassIDTwo = :ClassIDTwo,
ClassIDThree = :ClassIDThree,
ClassIDFour = :ClassIDFour,
ClassIDFive = :ClassIDFive
";
$exec1 = [
':usr' => $_SESSION["usr"],
':ClassIDOne' => $_POST["cidone"],
':ClassIDTwo' => $_POST["cidtwo"],
':ClassIDThree' => $_POST["cidthree"],
':ClassIDFour' => $_POST["cidfour"],
':ClassIDFive' => $_POST["cidfive"],
];
$query2 = "UPDATE knine_settings_login
SET ClassID = :usr
WHERE usr = :usr
";
$exec2 = [':usr' => $_SESSION["usr"]];
$db_host = 'localhost';
$db_name = 'MyDatabase';
$db_user = 'user';
$db_pass = 'password';
$dsn = 'mysql:host='.$db_host.';dbname='.$db_name.';charset=utf8';
try
{
$PDO = new PDO($dsn, $db_user, $db_pass);
}
catch(PDOException $e)
{
// if dev mode
echo 'Database connection error : ' . $e->getMessage();
// if prod mode
//header('Location: /404.html');
//exit;
}
// begin of transaction
$PDO->beginTransaction();
$res1 = $PDO->prepare($query1);
$res2 = $PDO->prepare($query2);
if($res1->execute($exec1) && $res2->execute($exec2))
{
$PDO->commit();
}
else
{
$PDO->rollBack();
}
// end of transaction
嘗試分開對我有用的陳述
// insert query execution
$sql = "INSERT INTO vendors (vendorId ,vendor_name, address, email, phone, category) VALUES
('$vendorId', '$vendor_name', '$address', '$email',
'$phone', '$category')
";
if ($mysqli - > query($sql) === true) {
echo "<script>alert('You have successfully registered');</script>";
} else {
echo "<script>alert('could not create shop something went wrong '); <
/script>";
$mysqli - > error;
}
// update query execution
$sql = "UPDATE users SET userType = 'vendor', vendor_name='$vendor_name'
WHERE id = '".$_SESSION['
id ']."'
";
if ($mysqli - > query($sql) === true) {
echo "<script>alert('update successfull ');</script>";
header("location:my-account.php");
} else {
echo "<script>alert('could not create shop something went wrong '); <
/script>"; $mysqli->error;
}
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