DOCSP-19647-update-estimatedDocumentCount (#870) (#885)

jason-price-mongodb · jason-price-mongodb · web-flow · commit a144aa456d48 · 2022-03-29T10:07:32.000-07:00
* DOCSP-19647-update-estimatedDocumentCount * DOCSP-19647-update-estimatedDocumentCount * DOCSP-19647-update-estimatedDocumentCount Co-authored-by: jason-price-mongodb <jshfjghsdfgjsdjh@aolsdjfhkjsdhfkjsdf.com> Co-authored-by: jason-price-mongodb <jshfjghsdfgjsdjh@aolsdjfhkjsdhfkjsdf.com>
diff --git a/source/reference/method/db.collection.estimatedDocumentCount.txt b/source/reference/method/db.collection.estimatedDocumentCount.txt
@@ -64,6 +64,15 @@ Mechanics
 :method:`db.collection.estimatedDocumentCount()` does not take a query
 filter and instead uses metadata to return the count for a collection.
 
+For a :ref:`view <views-landing-page>`:
+
+- There is no metadata.
+
+- The document count is calculated by executing the :ref:`aggregation
+  pipeline <aggregation-pipeline>` in the view definition.
+
+- There is no fast estimated document count.
+
 Sharded Clusters
 ~~~~~~~~~~~~~~~~
 
@@ -73,6 +82,8 @@ On a sharded cluster, the resulting count will not correctly filter out
 Unclean Shutdown
 ~~~~~~~~~~~~~~~~
 
+This section only applies to collections.
+
 After an unclean shutdown, the count may be incorrect.
 
 .. include:: /includes/fact-unexpected-shutdown-accuracy.rst
