(DOCSP-26069): Inaccuracy in document count for multi-document transactions (#2138) (#2169)

* Inaccuracy in document count for multi-document transactions

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Author: davidhou17

source/includes/fact-uncommitted-transactions.rst

@@ -0,0 +1,2 @@
+When you use |countMethod| in a transaction, the resulting count will 
+not filter out any uncommitted :ref:`multi-document transactions <transactions>`.

source/reference/command/count.txt

@@ -177,9 +177,9 @@ option.
 Count and Transactions
 ~~~~~~~~~~~~~~~~~~~~~~
 
-You cannot use :dbcommand:`count` and shell helpers
-:method:`~cursor.count()` and :method:`db.collection.count()` in
-:ref:`transactions <transactions-ops-count>`.
+.. include:: /includes/fact-uncommitted-transactions.rst
+
+.. |countMethod| replace:: :dbcommand:`count`
 
 For details, see :ref:`Transactions and Count Operations
 <transactions-ops-count>`.

source/reference/method/db.collection.countDocuments.txt

@@ -148,6 +148,10 @@ Transactions
 
 .. include:: /includes/extracts/transactions-supported-operation.rst
 
+.. include:: /includes/fact-uncommitted-transactions.rst
+
+.. |countMethod| replace:: :method:`db.collection.countDocuments()`
+
 .. include:: /includes/extracts/transactions-usage.rst
 
 .. |operation| replace:: :method:`db.collection.countDocuments()`

source/reference/method/db.collection.estimatedDocumentCount.txt

@@ -96,6 +96,12 @@ Client Disconnection
 
 .. include:: /includes/extracts/4.2-changes-disconnect.rst
 
+Count and Transactions
+~~~~~~~~~~~~~~~~~~~~~~
+
+.. include:: /includes/fact-uncommitted-transactions.rst
+
+.. |countMethod| replace:: :method:`db.collection.estimatedDocumentCount()`
 
 Example
 -------