Updating a nested property on a collection object with $set

Question

If one has a collection of objects that look like this:

{
    name:"some name",
    dob:"april 4, 1985",
    address:{
        street:"some street",
        city:"some city",
    }
}

...can $set be used to update just the city?

score 0 · Answer 1 · edited Jul 17 '12 at 20:36

0

This query should do it for you:

Collection.update({sel}, {"$set" : {"address.city": "new city"}})

edited Jul 17 '12 at 20:36

debergalis

answered Jul 16 '12 at 22:16

fraherm

And when the "adress" or/and "city" is a variable, how to do so ? – fabien Sep 02 '13 at 16:34
just pass the variable instead of the value without the quotes"". here: Collection.update({sel}, {"$set" : {"address.city": newcity}}) where newcity is the variable. – praneybehl Feb 06 '14 at 00:31
1

in your example, `"new city"`is the variable, but what if the variable is `city`? – fabien Apr 29 '14 at 16:49
@fraherm how do you update the entire address using a variable ? – Vinay Jan 22 '17 at 11:23

1 Answers1