Represents the set of fields that are guaranteed to be present in the result of an update operation.
matchedCount - The number of documents that matched the filter.
modifiedCount - The number of documents that were actually modified.
The number of documents that matched the filter.
The number of documents that were actually modified.
Represents the set of fields that are guaranteed to be present in the result of an update operation.
Field
matchedCount - The number of documents that matched the filter.
Field
modifiedCount - The number of documents that were actually modified.