Inserting "$binary" key into mongodb from nodejs results in must not start with '$' error

Question

I'm using node driver to add records to mongo. I have a collection where one of the fields is: { "$binary": "base64 enconded binary" }.

However a direct injection of the key starting with $ results in error: Error: key $binary must not start with '$'

Question: how to handle this situation? Is there a javascript function I should call that will be interpreted by mongo as BSON binray function (like with the ISODate() - new Date() and NumberLong() -> Long())? Thanks

Mindaugas Bernatavičius · Accepted Answer · 2017-09-20 11:06:30Z

1

I appears that I have missed the function Binary({buffer},{binary_type}). More on it: https://mongodb.github.io/node-mongodb-native/api-bson-generated/binary.html

My usage:

db.collection(coll).insert({
    "id" : rand1,
    "ReportData" : Binary("aaaaa", 0),
    ...

answered Sep 20, 2017 at 11:06

Mindaugas Bernatavičius

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