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adamreisnz avatar adamreisnz commented on May 31, 2024 1

This plugin uses initializeUnorderedBulkOp under the hood. It will add a new bulk op for each item, and then execute it all in one single call. So afaik it's just one round trip database call.

However, I will try to update this plugin to use the new bulkWrite method instead, that might be the reason for the discrepancy.

from mongoose-upsert-many.

adamreisnz avatar adamreisnz commented on May 31, 2024 1

I have released a v2.0.0 which allows for some more flexibility and additional configuration. See updated readme for usage.

This will now use updateOne by default, instead of replaceOne, resulting in the same modified count:

Initial write: {
  "ok": 1,
  "writeErrors": [],
  "writeConcernErrors": [],
  "insertedIds": [],
  "nInserted": 0,
  "nUpserted": 0,
  "nMatched": 3,
  "nModified": 0,
  "nRemoved": 0,
  "upserted": []
}
Update with upsertMany: {
  "ok": 1,
  "writeErrors": [],
  "writeConcernErrors": [],
  "insertedIds": [],
  "nInserted": 0,
  "nUpserted": 0,
  "nMatched": 3,
  "nModified": 0,
  "nRemoved": 0,
  "upserted": []
}
Update with bulkWrite: {
  "ok": 1,
  "writeErrors": [],
  "writeConcernErrors": [],
  "insertedIds": [],
  "nInserted": 0,
  "nUpserted": 0,
  "nMatched": 3,
  "nModified": 0,
  "nRemoved": 0,
  "upserted": []
}

from mongoose-upsert-many.

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