Details
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Bug
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Status: Closed
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Major - P3
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Resolution: Works as Designed
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2.2.30
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None
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2
Description
Collection.insertMany returns one type of result when all inserts are correct:
INSERT RESULT {
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result: { ok: 1, n: 2 },
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ops: [ { _id: 1 }, { _id: 2 } ],
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insertedCount: 2,
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insertedIds: [ 1, 2 ]
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}
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When some of the operations fail, a BulkWriteResult is returned:
INSERT RESULT BulkWriteResult {
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ok: [Getter],
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nInserted: [Getter],
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nUpserted: [Getter],
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nMatched: [Getter],
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nModified: [Getter],
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nRemoved: [Getter],
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getInsertedIds: [Function],
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getUpsertedIds: [Function],
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getUpsertedIdAt: [Function],
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getRawResponse: [Function],
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hasWriteErrors: [Function],
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getWriteErrorCount: [Function],
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getWriteErrorAt: [Function],
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getWriteErrors: [Function],
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getLastOp: [Function],
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getWriteConcernError: [Function],
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toJSON: [Function],
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toString: [Function],
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isOk: [Function]
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}
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The code to show the bug is this, just run it twice:
const { MongoClient } = require('mongodb'); |
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MongoClient.connect('mongodb://localhost:27017/test', (err, db) => { |
if (err) { |
return console.log('MONGO CONNECTION ERR'); |
}
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db.collection('users').insertMany([{_id: 1}, {_id: 2}], (err, result) => { |
if (err) { |
console.log('WRONG INSERT', err); |
}
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console.log('INSERT RESULT', result); |
});
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});
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