IDocumentReader<TDocument>.CountDocumentsAsync Method
Definition
Important
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Counts documents which satisfy a query conditions in a table.
public:
System::Threading::Tasks::Task<System::Cloud::DocumentDb::IDatabaseResponse<int> ^> ^ CountDocumentsAsync(System::Cloud::DocumentDb::QueryRequestOptions<TDocument> ^ options, Func<System::Linq::IQueryable<TDocument> ^, System::Linq::IQueryable<TDocument> ^> ^ condition, System::Threading::CancellationToken cancellationToken);public System.Threading.Tasks.Task<System.Cloud.DocumentDb.IDatabaseResponse<int>> CountDocumentsAsync(System.Cloud.DocumentDb.QueryRequestOptions<TDocument> options, Func<System.Linq.IQueryable<TDocument>,System.Linq.IQueryable<TDocument>>? condition, System.Threading.CancellationToken cancellationToken);abstract member CountDocumentsAsync : System.Cloud.DocumentDb.QueryRequestOptions<'Document> * Func<System.Linq.IQueryable<'Document>, System.Linq.IQueryable<'Document>> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<System.Cloud.DocumentDb.IDatabaseResponse<int>>Public Function CountDocumentsAsync (options As QueryRequestOptions(Of TDocument), condition As Func(Of IQueryable(Of TDocument), IQueryable(Of TDocument)), cancellationToken As CancellationToken) As Task(Of IDatabaseResponse(Of Integer))Parameters
- options
- QueryRequestOptions<TDocument>
The query request options.
- condition
- Func<IQueryable<TDocument>,IQueryable<TDocument>>
The condition function.
- cancellationToken
- CancellationToken
The token represents request cancellation.
Returns
A Task containing a count of documents.
Exceptions
Thrown when an error occurred on a client side. For example on a bad request, permissions error or client timeout.
Thrown when an error occurred on a database server side, including internal server error.
Thrown when a request failed but can be retried. This includes throttling and server not available cases.
A generic exception thrown in all other not covered above cases.
