Container.UpsertItemStreamAsync Method

Reference

Definition

Namespace:: Microsoft.Azure.Cosmos

Assembly:: Microsoft.Azure.Cosmos.Client.dll

Package:: Microsoft.Azure.Cosmos v3.39.0

Source:: Container.cs

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.

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

streamPayload: Stream

A Stream containing the payload.

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

Task<ResponseMessage>

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

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