Container.UpsertItemStreamAsync Method
Definition
Important
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Upserts an item stream as an asynchronous operation in the Azure Cosmos service.
public abstract System.Threading.Tasks.Task<Microsoft.Azure.Cosmos.ResponseMessage> UpsertItemStreamAsync (System.IO.Stream streamPayload, Microsoft.Azure.Cosmos.PartitionKey partitionKey, Microsoft.Azure.Cosmos.ItemRequestOptions requestOptions = default, System.Threading.CancellationToken cancellationToken = default);
abstract member UpsertItemStreamAsync : System.IO.Stream * Microsoft.Azure.Cosmos.PartitionKey * Microsoft.Azure.Cosmos.ItemRequestOptions * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.Azure.Cosmos.ResponseMessage>
Public MustOverride Function UpsertItemStreamAsync (streamPayload As Stream, partitionKey As PartitionKey, Optional requestOptions As ItemRequestOptions = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of ResponseMessage)
Parameters
- partitionKey
- PartitionKey
The partition key for the item.
- requestOptions
- ItemRequestOptions
(Optional) The options for the item request.
- cancellationToken
- CancellationToken
(Optional) CancellationToken representing request cancellation.
Returns
A Task containing a ResponseMessage which wraps a Stream containing the read resource record.
Examples
Upsert a Stream containing the item to Cosmos
using(ResponseMessage response = await this.container.UpsertItemStreamAsync(stream, new PartitionKey("itemPartitionKey")))
{
if (!response.IsSuccessStatusCode)
{
//Handle and log exception
return;
}
//Read or do other operations with the stream
using (StreamReader streamReader = new StreamReader(response.Content))
{
string content = await streamReader.ReadToEndAsync();
}
}
Remarks
The Stream operation only throws on client side exceptions. This is to increase performance and prevent the overhead of throwing exceptions. Check the HTTP status code on the response to check if the operation failed.
Applies to
Azure SDK for .NET
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