insert in subdocument with mongoDB

Question

I have the following document in the collection:

"_id" : "2",
"workspace" : [{
        "name" : "1",
        "widgets" : [ ]
    },{
        "name" : "2",
        "widgets" : [ ]
    },{
        "name" : "3",
        "widgets" : [ ]
    },{
        "name" : "4",
        "widgets" : [ ]
    }
]}

How can I insert {id: "1", blabla: "blabla"} in "widgets" for the "name" 3?

this is sub array not subdocument ! – koolaang Mar 12 '16 at 16:42 — koolaang, Mar 12 '16 at 16:42

score 12 · Accepted Answer · answered Oct 31 '13 at 22:54

12

In comparison to a previous answer which just inserts everything into the root of the document, here is a correct way to do this with positional operator:

db.t.update({
 "_id" : "2",
 "workspace.name" : "3"
},{
 $push: {
   'workspace.$.widgets' : {
       id: "2",
       blabla: "blabla"
   }
 }
});

answered Oct 31 '13 at 22:54

Salvador Dali

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As far as I'm aware this is currently not an option in Meteor's client side mini-mongo(they haven't implemented the positional operator. It's something they want to have eventually though). This will only work server side. For my apps I've resorted to doing these types of tasks server side. Which is OK but you have to duplicate your security/validation code. – Dave Nov 01 '13 at 15:54
they haven't hit 1.0, they're still in preview/development. – Dave Nov 01 '13 at 16:53

insert in subdocument with mongoDB

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