Bulk update in Pymongo using multiple ObjectId

Question

I want to update thousands of documents in mongo collection. I want to find them using ObjectId and then whichever document matches , should be updated. My update is same fo

Answer 1

I got the answer, It can be done like this :

    bulk = db.testdata.initialize_unordered_bulk_op()
    for i in range (0, len(ids)):
        bulk.find( { '_id':  ids[i]}).update({ '$set': {  "isBad" : "N" }})
    print bulk.execute()