DataLakeFileClient.QueryAsync Method
Definition
Important
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The Query(String, DataLakeQueryOptions, CancellationToken) API returns the result of a query against the file.
public virtual System.Threading.Tasks.Task<Azure.Response<Azure.Storage.Files.DataLake.Models.FileDownloadInfo>> QueryAsync (string querySqlExpression, Azure.Storage.Files.DataLake.Models.DataLakeQueryOptions options = default, System.Threading.CancellationToken cancellationToken = default);
abstract member QueryAsync : string * Azure.Storage.Files.DataLake.Models.DataLakeQueryOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<Azure.Storage.Files.DataLake.Models.FileDownloadInfo>>
override this.QueryAsync : string * Azure.Storage.Files.DataLake.Models.DataLakeQueryOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Azure.Response<Azure.Storage.Files.DataLake.Models.FileDownloadInfo>>
Public Overridable Function QueryAsync (querySqlExpression As String, Optional options As DataLakeQueryOptions = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of Response(Of FileDownloadInfo))
Parameters
- options
- DataLakeQueryOptions
Optional parameters.
- cancellationToken
- CancellationToken
Optional CancellationToken to propagate notifications that the operation should be cancelled.
Returns
A Response<T>.
Remarks
A RequestFailedException will be thrown if a failure occurs.
Applies to
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