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Get the latest Post - time series [Mongodb] #8

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manzil-infinity180 opened this issue Mar 9, 2024 · 1 comment

Owner

manzil-infinity180 commented Mar 9, 2024

Article to read
https://www.mongodb.com/docs/manual/core/timeseries/timeseries-secondary-index/#std-label-timeseries-add-secondary-index
https://www.mongodb.com/docs/manual/core/timeseries/timeseries-limitations/?_ga=2.218194585.1481580001.1709754613-1997395561.1709455248

community discuss link
https://www.mongodb.com/community/forums/t/time-series-how-to-get-the-most-recent-document/149455/6

Owner Author

manzil-infinity180 commented Mar 9, 2024

async function findMostRecent() {
  const bucket = await db.collection("system.buckets.weather").findOne(
    {},
    {
      sort: { "control.max.timestamp": -1 },
      projection: { "control.max.timestamp": 1 }
    }
  );

  if (!bucket) return;

  return db.collection("weather").findOne({
    timestamp: bucket.control.max.timestamp
  });
}

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