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Because the batch request can result in a combination of successful and unsuccessful actions, you should check for batch errors even when the call returns an HTTP status code of 200.
param.n notation. Values of n are integers starting
from 1. For example, a parameter list with two elements looks like this: &Attribute.1=this
&Attribute.2=that
Namespace: Amazon.SQS
Assembly: AWSSDK.dll
Version: (assembly version)
public abstract DeleteMessageBatchResponse DeleteMessageBatch( DeleteMessageBatchRequest request )
Container for the necessary parameters to execute the DeleteMessageBatch service method.
| Exception | Condition |
|---|---|
| BatchEntryIdsNotDistinctException | Two or more batch entries have the same Id in the request. |
| EmptyBatchRequestException | Batch request does not contain an entry. |
| InvalidBatchEntryIdException | The Id of a batch entry in a batch request does not abide by the specification. |
| TooManyEntriesInBatchRequestException | Batch request contains more number of entries than permissible. |
This example shows how to delete messages in batch.
var client = new AmazonSQSClient();
var request = new ReceiveMessageRequest
{
AttributeNames = new List<string>() { "All" },
MaxNumberOfMessages = 5,
QueueUrl = "https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyTestQueue",
VisibilityTimeout = (int)TimeSpan.FromMinutes(10).TotalSeconds,
WaitTimeSeconds = (int)TimeSpan.FromSeconds(5).TotalSeconds
};
var response = client.ReceiveMessage(request);
var batchEntries = new List<DeleteMessageBatchRequestEntry>();
if (response.Messages.Count > 0)
{
foreach (var message in response.Messages)
{
var batchEntry = new DeleteMessageBatchRequestEntry
{
Id = message.MessageId,
ReceiptHandle = message.ReceiptHandle
};
batchEntries.Add(batchEntry);
}
var delRequest = new DeleteMessageBatchRequest
{
Entries = batchEntries,
QueueUrl = "https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyTestQueue"
};
var delResponse = client.DeleteMessageBatch(delRequest);
if (delResponse.Failed.Count > 0)
{
Console.WriteLine("Failed deletions:");
foreach (var failure in delResponse.Failed)
{
Console.WriteLine(" For ID '" + failure.Id + "': ");
Console.WriteLine(" Code = " + failure.Code);
Console.WriteLine(" Message = " + failure.Message);
Console.WriteLine(" Sender's fault? = " + failure.SenderFault);
}
}
if (delResponse.Successful.Count > 0)
{
Console.WriteLine("Successful deletions:");
foreach (var success in delResponse.Successful)
{
Console.WriteLine(" ID '" + success.Id + "'");
}
}
}
else
{
Console.WriteLine("No messages to delete.");
}
.NET Framework:
Supported in: 4.5, 4.0, 3.5