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Upstream Changes Summary:

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DRIVERS-2728:
Drivers must document restrictions for filters in the countDocuments API that result from the API using aggregation pipeline.

Suggested wording:

Due to countDocuments using the $match aggregation pipeline stage, certain query operators cannot be used in countDocuments. This includes the $where and $near query operators, among others. Details can be found in the documentation for the $match aggregation pipeline stage.

The documentation link for $match is https://www.mongodb.com/docs/manual/reference/operator/aggregation/match/#restrictions.

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DRIVERS-2728 : Drivers must document restrictions for filters in the countDocuments API that result from the API using aggregation pipeline. Suggested wording: Due to countDocuments using the $match aggregation pipeline stage, certain query operators cannot be used in countDocuments. This includes the $where and $near query operators, among others. Details can be found in the documentation for the $match aggregation pipeline stage. The documentation link for $match is https://www.mongodb.com/docs/manual/reference/operator/aggregation/match/#restrictions .

Documentation Changes Summary:

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1. What would you like to communicate to the user about this feature?
2. Would you like the user to see examples of the syntax and/or executable code and its output?
3. Which versions of the driver/connector does this apply to?

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1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

This ticket was split from DRIVERS-2728, please see that ticket for a detailed description.

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DRIVERS-2728 Document that countDocuments() uses $match and may not support the same filters as find/count commands