FeedIterator.ReadNextAsync(CancellationToken) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Get the next set of results from the cosmos service
public abstract System.Threading.Tasks.Task<Microsoft.Azure.Cosmos.ResponseMessage> ReadNextAsync (System.Threading.CancellationToken cancellationToken = default);abstract member ReadNextAsync : System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.Azure.Cosmos.ResponseMessage>Public MustOverride Function ReadNextAsync (Optional cancellationToken As CancellationToken = Nothing) As Task(Of ResponseMessage)Parameters
- cancellationToken
- CancellationToken
(Optional) CancellationToken representing request cancellation.
Returns
A query response from cosmos service
Examples
Example on how to fully drain the query results.
QueryDefinition queryDefinition = new QueryDefinition("select c.id From c where c.status = @status")
.WithParameter("@status", "Failure");
using (FeedIterator feedIterator = this.Container.GetItemQueryStreamIterator(
queryDefinition))
{
while (feedIterator.HasMoreResults)
{
// Stream iterator returns a response with status code
using(ResponseMessage response = await feedIterator.ReadNextAsync())
{
// Handle failure scenario
if(!response.IsSuccessStatusCode)
{
// Log the response.Diagnostics and handle the error
}
}
}
}
