我正在尝试按照以下代码从 Cosmos db Change Feed 中的受监控 Db 中获取所有更改。我正在尝试不同的持续时间,例如今天发生的变化或过去 7 天发生的变化或整体发生的变化。现在在所有情况下,我在第一次获得所有更改,而在第二次运行中没有任何更改,除非有更改即将到来。我想知道我在这里做错了什么,如果我每次运行都必须在上周进行更改,如果我的以下代码不正确,我应该如何配置更改提要。提前致谢
private static CosmosClient Client { get; set; }
static void Main(string[] args)
{
Task.Run(async () =>
{
Client = new CosmosClient("AccountEndpoint = https://test.documents.azure.com:443/;AccountKey=FW5yvDA==;");
var database = Client.GetDatabase("twstDatabase");
var container = database.GetContainer("TestContainer");
var leaseContainer = database.GetContainer("leases");
var cfp = container.GetChangeFeedProcessorBuilder<dynamic>("cfpLibraryDThird", ProcessChanges)
.WithLeaseContainer(leaseContainer)
.WithInstanceName("Change Feed Instance Demo")
// I change the instance name for different start time
.WithStartTime(DateTime.Today.AddDays(-7).ToUniversalTime())
//.WithStartTime(DateTime.MinValue.ToUniversalTime())
.Build();
await cfp.StartAsync();
Console.WriteLine("Started Change feed processor- press key to stop");
Console.ReadKey(true);
await cfp.StopAsync();
}).Wait();
}
static async Task ProcessChanges(IReadOnlyCollection<dynamic> docs, CancellationToken cancellationToken)
{
foreach (var doc in docs)
{
Console.WriteLine($"Document {doc.id} has changed");
}
}
}
}