We can easily achieve pagination using MongoDB Aggregate function. As part of our Server Management Service, Bobcares provides answers to all of your questions.

Pagination using MongoDB Aggregate

We can perform Pagination in MongoDB Aggregation by combining the $facet stage with the $skip and $limit operators. We can skip a specific number of records using the $skip operator. The $limit operator limits the amount of files that are returned. For example:

We can specify several aggregation pipelines inside of a single one using the $facet stage. Here, there will be two pipelines: one to fetch the data and another to get the total count.

The data pipeline obtains the paginated details. It is made up of two stages: the $skip stage and the $limit stage. The skipValue shows the number of documents to skip, and the limitValue value shows the maximum number of documents to return per page.

The totalCount pipeline will fetch the total count of documents in the collection. The field “count” assigns the count of the records by using the $count stage.

We will obtain the data and the total number of records in the collection by running this query. We must replace with the correct value to skip the desired number of documents, and with the desired number of documents per page.

The $facet stage needs MongoDB version 3.4 or higher. If we’re using an older version, we can obtain pagination without the $facet stage by joining the $skip and $limit stages.

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Conclusion

Pagination in MongoDB Aggregation can impact performance when dealing with large collections. To improve query run, we can create the necessary indexes.