Laravel Mongodb 嵌入对象中的嵌入对象

Laravel Mongodb embedded object in embedded object

我有一个带有 embedsMany 模型评论的模型新闻,在模型评论中我有 embedsMany 模型回复

当我这样做时:

$new = News::create(["title"=>"Simple new", "body"=>"this is a simple news"]);
$comment = $new->comments()->create(["subject"=>"comment 1", "body"=>"my comment"]);

插入成功,数据库中的数据为:

{ 
    "title" : "Simple new",
    "body" : "this is a simple news", 
    "_id" : ObjectId("5569b157bed33066220041ac"), 
    "comments" : [ 
    {
        "subject" : "comment 1",
        "body" : "my comment",
        "_id" : ObjectId("5569cc28bed330693eb7acd9")
    }
    ]
}

但是当我这样做时:

$reply = $comment->replies()->create(["subject"=>"reply to comment 1", "body"=>"my reply"]);

数据库是:

{ 
    "title" : "Simple new",
    "body" : "this is a simple news", 
    "_id" : ObjectId("5569b157bed33066220041ac"), 
    "comments" : [ 
    {
        "subject" : "comment 1",
        "body" : "my comment",
        "_id" : ObjectId("5569cc28bed330693eb7acd9"),
        "replies" : { 
            "0" : {
                "subject" : "reply to comment 1",
                "body" : "my reply",
                "_id" : ObjectId("5569cc33bed330693eb7acda"
            }
        }
    }
    ]
}

删除回复无效

解决方案一:

在jenssegers/laravel-mongodb 框架中,您可以使用 push 或 update 方法将文档插入数组。注:早期版本没有push方法

方案二:(推荐)

Mongodb 使用模式基础框架(即 nosql,无模式数据库)是错误的,建议使用 php 的官方 Mongodb 框架:

http://docs.mongodb.org/ecosystem/drivers/php

为了加快查询速度,您可以使用索引。

在此解决方案中,您可以使用此数据结构:

{

    "_id" : ObjectId("5577d8a419e5eae7ae17a058"),

    "name" : "My New",

    "comments" : {

        "5577d8c419e5eae7ae17a059": {

        "subject" : "My Comment",

        "body" : "BODY",

        "replies" : {

            "5577d91619e5eae7ae17a05b": {

            "subject" : "My Reply",

            "body" : "BODY"

            }

        }

    }

}