When utilizing the new:true option in MongoDB, it provides access to the previous value

Within my MongoDB v2.2 NodeJS 0.8 MongoSkin 0.5 Framework setup, I have implemented the following code:

var db = mongo.db(admin+"@127.0.0.1:27017/database",{safe:true});
db.collection('collection').findAndModify({'code':code,'email':email},[],
    {
        $push:
        {
            'code.pub':newPub,
        }
    },{new:true},
    function(err, result)

After using the new true option, I noticed that it returns the old value in MongoDB. Can anyone explain why this is happening and what might be wrong?

javascriptmongodbmongoskin

Answer №1

Specify {w: 1} or use {safe: true}, although the latter is no longer recommended.

Answer №2

When running your query, make sure you are searching for: "{'code':code,...". Additionally, in the update portion, ensure that you are using "$push: {code.pub...

If the "code" field contains a sub-document, the query will not return any results and the update process will be unsuccessful.

Please provide the complete statement with the variable values and an example of the document being updated for further assistance.

Thank you!

Ella

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