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smddzcy/mongo-bulk-update.js

Created November 17, 2018 19:35
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Mongo bulk insert createdAt fields from ObjectIDs
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mongo-bulk-update.js
var collection = 'accounts';
var bulk = db[collection].initializeUnorderedBulkOp();
db[collection].find({}).forEach(row => {
const createdAt = dateFromObjectId(row._id);
bulk.find({ _id: ObjectID(row._id) }).updateOne({ $set: { createdAt } })
})
bulk.execute()
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