IMongoCollectionTDocumentEstimatedDocumentCountAsync Method |
Returns an estimate of the number of documents in the collection.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.7.3+Branch.v2.7.x.Sha.2f1f2be13a23b8520cb9c2ee8439c022f9a03efe
Syntax Task<long> EstimatedDocumentCountAsync(
EstimatedDocumentCountOptions options = null,
CancellationToken cancellationToken = null
)
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 null
*)
-> 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.
See Also