IMongoCollectionTDocumentEstimatedDocumentCountAsync Method

Returns an estimate of the number of documents in the collection.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.18.0+554c799eb1ec8dd732f16c739387f6664df1ba7a

Syntax

Copy

Task<long> EstimatedDocumentCountAsync(
	EstimatedDocumentCountOptions options = null,
	CancellationToken cancellationToken = default
)

Function EstimatedDocumentCountAsync ( 
	Optional options As EstimatedDocumentCountOptions = Nothing,
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Long)

abstract EstimatedDocumentCountAsync : 
        ?options : EstimatedDocumentCountOptions * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _options = defaultArg options null
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<int64>

Parameters

options (Optional): Type: MongoDB.DriverEstimatedDocumentCountOptions
The options.
cancellationToken (Optional): Type: System.ThreadingCancellationToken
The cancellation token.

Return Value

Type: TaskInt64
An estimate of the number of documents in the collection.

Reference

IMongoCollectionTDocument Interface

MongoDB.Driver Namespace

IMongoCollectionAddLanguageSpecificTextSet("LSTEA2C159F_0?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");TDocumentAddLanguageSpecificTextSet("LSTEA2C159F_1?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");AddLanguageSpecificTextSet("LSTEA2C159F_2?cpp=::|nu=.");EstimatedDocumentCountAsync Method

Parameters

Return Value

Reference

IMongoCollectionTDocumentEstimatedDocumentCountAsync Method