[英]How can i update multiple table with one query php?
if($_SERVER['REQUEST_METHOD'] == 'POST'){
$content = file_get_contents('php://input');
$user = json_decode($content, true);
$id_a = $user['id_a'];
$id_b = $user['id_b'];
$aName = $user['aName'];
$bName = $user['bName'];
$sql = "
BEGIN TRANSACTION;
UPDATE `tb1`
SET `aName` = '$aName'
WHERE `id_a` = '$id_a';
UPDATE `tb2`
SET `bName` = '$nName'
WHERE `id_b` = '$id_b';
COMMIT
";
$result = $conn->query($sql);
if($result){
echo json_encode(['status'=>'success','message'=>'Edited successfully']);
}
else{
echo json_encode(['status'=>'error','message'=>'An error occurred editing the information.']);
}
}
else{
echo json_encode(['status'=>'error','message'=>'REQUEST_METHOD Error']);
}
$conn->close();
我需要更新数据多个表但是当我使用上面的代码时它响应“编辑成功”但在数据库数据中没有任何改变
但是当更新单个表时它可以
不需要交易,因为您的 PDO 似乎不接受交易。
像这样的事情应该在你给出的例子中工作:
UPDATE tb1, tb2
SET tb1.aName = $aName,
tb2.bName = $bName
WHERE
tb1.id_a = $id_a
AND tb2.id_b = $id_b;
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