DataLakeFileClient.Query Method
Definition
Important
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The Query(String, DataLakeQueryOptions, CancellationToken) API returns the result of a query against the file.
public virtual Azure.Response<Azure.Storage.Files.DataLake.Models.FileDownloadInfo> Query (string querySqlExpression, Azure.Storage.Files.DataLake.Models.DataLakeQueryOptions options = default, System.Threading.CancellationToken cancellationToken = default);
abstract member Query : string * Azure.Storage.Files.DataLake.Models.DataLakeQueryOptions * System.Threading.CancellationToken -> Azure.Response<Azure.Storage.Files.DataLake.Models.FileDownloadInfo>
override this.Query : string * Azure.Storage.Files.DataLake.Models.DataLakeQueryOptions * System.Threading.CancellationToken -> Azure.Response<Azure.Storage.Files.DataLake.Models.FileDownloadInfo>
Public Overridable Function Query (querySqlExpression As String, Optional options As DataLakeQueryOptions = Nothing, Optional cancellationToken As CancellationToken = Nothing) As 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
Azure SDK for .NET
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