MongoDB Query date by _id field

MongoDB Query date by _id field

In order to make a query based on _id, comparing dates, you can use $convert function to extract the date from ObjectId.


$convert: { input: "$_id", to: "date" } 

To query dates comparing between start and end time:

      {"$gte":[{"$convert":{"input":"$_id","to":"date"}}, ISODate("2023-08-01T00:00:00.000Z")]},
      {"$lte":[{"$convert":{"input":"$_id","to":"date"}}, ISODate("2023-08-02T11:59:59.999Z")]}

The shorthand version using $toDate function helps you achieve the same result:

      {"$gte":[{"$toDate":"$_id"}, ISODate("2023-08-01T00:00:00.000Z")]},


Image by Vikash Kr Singh from Pixabay


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