嵌套数组中的 Mongodb $push
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Mongodb $push in nested array
提问by balkondemiri
I want add new data my nested array
我想添加新数据我的嵌套数组
My document is:
我的文件是：
{
"username": "erkin",
"email": "[email protected]",
"password": "b",
"playlists": [
{
"_id": 58,
"name": "asdsa",
"date": "09-01-15",
"musics": [
{
"name": "INNA - Cola Song (feat. J Balvin)",
"duration": "3.00"
},
{
"name": "blabla",
"duration": "3.00"
}
]
}
]
}
I want add music in this playlist section:
我想在这个播放列表部分添加音乐：
{
"username": "erkin",
"email": "[email protected]",
"password": "b",
"playlists": [
{
"_id": 58,
"name": "asdsa",
"date": "09-01-15",
"musics": [
{
"name": "INNA - Cola Song (feat. J Balvin)",
"duration": "3.00"
},
{
"name": "blabla",
"duration": "3.00"
},
{
"name": "new",
"duration": "3.00"
}
]
}
]
}
Here is what I tried:
这是我尝试过的：
$users->update(
array(
'_id' => new MongoId (Session::get('id')),
'playlists._id' => $playlistId
),
array(
'$push' => array('playlists.musics' => array(
'name' => 'newrecord',
'duration' => '3.00'
))
)
);
回答by Thomas Bormans
Probably something like this where ID is your ObjectId. The first {} are necessary to identify your document. It is not required to use an ObjectId as long as you have another unique identifier in your collection.
可能是这样的，其中 ID 是您的 ObjectId。第一个 {} 是识别您的文档所必需的。只要您的集合中有另一个唯一标识符，就不需要使用 ObjectId。
db.collection.update(
{ "_id": ID, "playlists._id": "58"},
{ "$push":
{"playlists.$.musics":
{
"name": "test name",
"duration": "4.00"
}
}
}
)
回答by adflytec
This way it worked for me!
这样它对我有用！
"playlists.$[].musics":
“播放列表。$[]。音乐”：
db.collection.update(
{ "_id": ID, "playlists._id": "58"},
{ "$push":
{"playlists.$[].musics":
{
"name": "test name",
"duration": "4.00"
}
}
}
)
