通过(Sails JS)水线将值推入mongodb数据库数组 [英] Push values into array of mongodb database through (sails js) waterline

问题描述

node js，sails js，waterline. 插入

node js,sails js,waterline. I need to update(or push) values into the below schema after insert

我正在将Sailsjs与水线和mongodb一起使用.

I am using sailsjs with waterline and mongodb.

{
"countries": {
"states": [
{
"statename": "state",
"districts": [
{
"distname": "district",
"cities": [
{
"cityname": "Hyderabad",
"places": [
                {
                  "placename": "hitechcity"
                }
              ]

          }
        ]
      }
    ]
  }
]
}
}

我需要知道如何更新它，更新后我需要类似的东西

I need to know how to update it i need something like this after update

{
"countries": {
"states": [
{
"statename": "state",
"districts": [
{
"distname": "district",
"cities": [
{
"cityname": "Hyderabad",

              "places": [
                {
                  "placename": "hitechcity"
                },
                {
                  "placename": "someother place"
                }
              ]

          }
        ]
      }
    ]
  }
]
}
}

请有人帮助我.

推荐答案

好问题！您将要使用addToCollection():

await User.addToCollection(23, 'roles')
.members([3, 5, 6]);

在手机上完成操作，对任何错别字表示抱歉:)

Done on my phone so sorry about any typos :)

于2018年8月7日编辑，以反映Sails v1中的最佳实践.更多信息: https://sailsjs.com/documentation/reference /waterline-orm/models/add-to-collection

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