How to update specified Document in MongoDB with Javascript

Question

I have a document like this:

[ { _id: 55535305c6d17454276beba1,
    name: 'Localhost',
    tables: [{ chairs:[{
                         data:[{
                         }]
                      }]
            }] 
  }
]

I want to update/insert new data in the data document.

Deep nested document is not a good idea. Your document structure will not make your life easier. You definitely going to have head explosion — Sede
– Sede, Commented May 13, 2015 at 14:05
i cant change this structure and yes i have a head explosion. — mk2015
– mk2015, Commented May 13, 2015 at 14:07

Community · Accepted Answer · 2017-05-23 12:21:55Z

0

You can do something along these lines for your example:

db.collectionName.update(
    {_id: 55535305c6d17454276beba1}, 
    {$set: {"tables.chairs.data" : [{somethingHere:1}] }}
);

You can update individual elements in the data array by using this syntax:

db.collectionName.update(
    {_id: 55535305c6d17454276beba1}, 
    {$set: {"tables.chairs.data.0" : {somethingHere:2} }}
);

This link provides some additional examples: Updating Value of Array Element in MongoDB

edited May 23, 2017 at 12:21

CommunityBot

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answered May 13, 2015 at 15:01

anztenney

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