MongoCollectionBaseTDocumentEstimatedDocumentCountAsync Method |
Returns an estimate of the number of documents in the collection.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.16.0+eeafbea0921243a5868b81984e1083a07c1f75bc
Syntax public virtual Task<long> EstimatedDocumentCountAsync(
EstimatedDocumentCountOptions options = null,
CancellationToken cancellationToken = default
)
Public Overridable 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>
override 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.
Implements
IMongoCollectionTDocumentEstimatedDocumentCountAsync(EstimatedDocumentCountOptions, CancellationToken)See Also