我是Lumen的新手,我正在尝试使用雄辩的Model在单个查询中更新多行。 我目前收到此错误:
SQLSTATE[42S22]: Column not found: 1054 Unknown column '0' in 'field list' (SQL: update `articles` set `0` = {"title":"my blogMASSUPDATE","description":"myblogdescriptionMASSUPDATE","status":3}, `1` = {"title":"my blogMASSUPDATE","description":"myblogdescriptionMASSUPDATE","status":3}, `2` = {"title":"my blog33MASSUPDATE","description":"myblogdescription33MASSUPDATE","status":3}, `articles`.`updated_at` = 2019-12-02 08:23:28 where `status` = ==)
JSON有效负载如下:
{
"array1": [{
"title": "my blogMASSUPDATE",
"description": "myblogdescriptionMASSUPDATE",
"status": 3
}, {
"title": "my blogMASSUPDATE",
"description": "myblogdescriptionMASSUPDATE",
"status": 3
}, {
"title": "my blog33MASSUPDATE",
"description": "myblogdescription33MASSUPDATE",
"status": 3
}]
}
控制器内部的代码如下:
public function massUpdate($id, Request $request){
$this->validate($request, [
'array1' => 'present|array',
'array1.*.title' => 'required',
'array1.*.description' => 'required'
]);
$data = $request->getContent();
$data = json_decode($data, true);
Article::where('status', $id)->update($data['array1']);
}
这是路由器代码:
$router->put('articles/massUpdate/{id}', 'ArticleController@massUpdate');
这是我的RESTClient中用于http请求的URL(请参见restclient.net):
http://localhost:8080/api/articles/massUpdate/3
我不明白问题出在哪里,引用的列存在,并且还有匹配指定值的字段。
编辑: 我尝试了以下解决方案: Laravel 4: how to update multiple fields in an Eloquent model?
建议的代码:
$user = User::where ("username","rok"); // note that this shortcut is available if the comparison is =
$new_user_data = array(...);
$user->fill($new_user_data);
$user->save();
现在,当我重构代码以在上下文中使用上面显示的语法时:
$rows = Article::where('status', $id);
$rows->fill($data);
我得到了错误:
Call to undefined method Illuminate\Database\Eloquent\Builder::fill()
上面提到的SO答案的注释中已经指出了哪些。 任何人都可以启发我如何处理此问题,因为这段代码看起来确实可以实现我想要的功能:动态大量更新引用的字段。
答案 0 :(得分:1)
首先查看此Laravel-update
下一步,如果要批量更新,请尝试
->update('column_name'=>$data['array1']);
编辑: 如果您编写了此->
,Builder就不会有类似fill的方法 $data=
[
'title' => 'my blogMASSUPDATE',
'description' => 'myblogdescriptionMASSUPDATE',
'status' => 3,
];
$id=1;
$rows = new Test();
$rows->fill($data)->save();
不更新记录,而是创建一个新记录
更新:确定我发现了类似的东西->
$data=[
[
'title' => 'my blogMASSUPDATE',
'description' => 'myblogdescriptionMASSUPDATE',
'status' => 3,
],
[
'title' => 'my blog3MASSUPDATE',
'description' => 'myblogdescriptionMASSUPDATE',
'status' => 3,
],
[
'title' => 'my blog33MASSUPDATE',
'description' => 'myblogdescription33MASSUPDATE',
'status' => 3,
]
];
$id=3;
collect($data)->each(function ($item) use($id){
Test::where('status', $id)->update($item);
});
答案 1 :(得分:0)
请检查一下,我认为必须有效:
$data = '{
"array1": [{
"title": "my blogMASSUPDATE",
"description": "myblogdescriptionMASSUPDATE",
"status": 3
}, {
"title": "my blogMASSUPDATE",
"description": "myblogdescriptionMASSUPDATE",
"status": 3
}, {
"title": "my blog33MASSUPDATE",
"description": "myblogdescription33MASSUPDATE",
"status": 3
}]
}';
$data = json_decode($data, true);
foreach ( $data['array1'] as $item ) {
Article::where('status', $id)->update($item);
}