MongoDB - Aggregation Framework (Total Count)

Question

When running a normal \"find\" query on MongoDB I can get the total result count (regardless of limit) by running \"count\" on the returned cursor. So, even if I limit to re

Answer 1

$facets aggregation operation can be used for Mongo versions >= 3.4. This allows to fork at a particular stage of a pipeline in multiple sub-pipelines allowing in this case to build one sub pipeline to count the number of documents and another one for sorting, skipping, limiting.

This allows to avoid making same stages multiple times in multiple requests.