update issue

[mike-aungsan]

The following code does not work. Any bugs or anything wrong?

For sure ids are in the db. But it does not update at all.

var idsObj = [];
var ids = [ 1426879378856, 1426878899305, 1426878875930 ];

_.each(ids, function (id) {
idsObj.push({'_id': new objectID(id._id)});
});

var findQuery = {'$or': idsObj};

db.collection('bands').update(findQuery, {'$set': {updateThis: 'blur blur'}},
{w:"majority", wtimeout:500, j:true, remove:true, upsert:false, multi:t},
function(err, result) {
if (err) {
console.log(err);
}
else {
console.log(result);
}
});

If I run this in the shell, it update all 3 docs.

db.collection('bands').update({$or: [{'_id': ObjectId('550c7393e50a63c0d712d25e')},
{'_id': ObjectId('550c71b4e50a63c0d712d25d')},
{'_id': ObjectId('550c7196e50a63c0d712d25c')}] },
{$set : {updateThis: 'blur blur' } },
{w:"majority", wtimeout:500, j:true, remove:true, upsert:false, multi:true}
)

[vkarpov15]

Correct me if I'm wrong, but id._id is undefined in your code - numbers don't have an _id field...

[mike-aungsan]

Sorry typo. It should be like this

var idsObj = [];
var ids = [ 1426879378856, 1426878899305, 1426878875930 ];

_.each(ids, function (id) {
idsObj.push({'_id': new objectID(id)})
});

[vkarpov15]

So when you pass a number to an ObjectId, ObjectId treats it as a timestamp. However, an ObjectId is not uniquely defined by a timestamp. Any reason why you're not just passing in the hex string?