可以通过以下步骤实现:
<ItemGroup>
<PackageReference Include="Microsoft.Azure.Cosmos" Version="3.0.0" />
</ItemGroup>
using Microsoft.Azure.Cosmos;
string endpointUrl = "your_cosmosdb_endpoint_url";
string primaryKey = "your_cosmosdb_primary_key";
CosmosClient cosmosClient = new CosmosClient(endpointUrl, primaryKey);
string databaseId = "your_database_id";
string containerId = "your_container_id";
Database database = await cosmosClient.GetDatabase(databaseId);
Container container = await database.GetContainer(containerId);
string query = "SELECT * FROM c WHERE c.property = 'value'";
QueryDefinition queryDefinition = new QueryDefinition(query);
List<dynamic> documentsToDelete = new List<dynamic>();
using (FeedIterator<dynamic> resultSet = container.GetItemQueryIterator<dynamic>(queryDefinition))
{
while (resultSet.HasMoreResults)
{
FeedResponse<dynamic> response = await resultSet.ReadNextAsync();
documentsToDelete.AddRange(response);
}
}
List<Task> deleteTasks = new List<Task>();
foreach (dynamic document in documentsToDelete)
{
deleteTasks.Add(container.DeleteItemAsync<dynamic>(document.id.ToString(), new PartitionKey(document.partitionKey.ToString())));
}
await Task.WhenAll(deleteTasks);
以上代码示例了如何使用.NET开发工具包在Cosmos DB中支持批量删除。通过构造查询并使用异步方式执行删除操作,可以高效地删除满足条件的文档。
对于Cosmos DB的更多信息和使用场景,可以参考腾讯云的文档和产品介绍页面:
没有搜到相关的沙龙
领取专属 10元无门槛券
手把手带您无忧上云