Posts Tagged ‘distinct ObjectIDs’

MongoDB’s updateMany can be used to update all documents which are matched. Problem If, however, you want to set unique new ObjectIDs in your update, you would find that MongoDB sets the same ObjectID for every entry: db.getCollection(‘mypis_collectedpis’).updateMany({}, {$set:      {apps: {         “com.picockpit/core”: {             meta: {                 version: “2.0”,                 name: “PiCockpit Core”,                 image: “”,                 description: “PiCockpit.com…