如何通过yii2在mongodb中插入多级记录

Question

例如 -
我有以下记录插入集合

"panel_questions" : [
    {
        "question_id" : 1,
        "category_id" : 1
    },
    {
        "question_id" : 2,
        "category_id" : 1
    }
]

通过mongo我可以通过以下查询来实现这一点 -

db.panel.update({"id":24},{$push:{panel_questions:{"question_id":2,"category_id":1}}});

但我们如何在YII2中进行上面的mongo查询

我已经尝试了以下代码，但它没有工作

$this->update(
    [
             '$push'=>[
                         'panel_questions'=>[
                             'question_id'=>1,
                             'category_id'=>2
                         ]
                     ]
    ]
)

Answer 1

用啤酒刷新我的思绪:)我设法在mongodb中添加新数组 这就是我所做的。

$question = [
                            'question_id'=>Yii::$app->request->post('question_id'),
                            'category_id'=>Yii::$app->request->post('category_id'),
                    ];

// From collection which is already saved.
$panel_questions = $panel->panel_questions;

// Pushing new question into already saved questions (merging)
array_push($panel_questions, $question);

// Assigning whole question array to data so we can load them in model.
$data['Panel'] =['panel_questions'=>$panel_questions];

if($panel->load($data) && $panel->validate()){
      if($panel = $panel->save()) {
              // do stuff
      }
}