Amazon dynamodb 如何解决此异常:“引用;选择获取所有“U属性”时无法指定AttributesToGet;?
当我试图扫描dynamoDb表并使用AWS页面中的以下示例代码返回特定列时:Amazon dynamodb 如何解决此异常:“引用;选择获取所有“U属性”时无法指定AttributesToGet;?,amazon-dynamodb,Amazon Dynamodb,当我试图扫描dynamoDb表并使用AWS页面中的以下示例代码返回特定列时: string tableName = "Thread"; Table ThreadTable = Table.LoadTable(client, tableName); ScanFilter scanFilter = new ScanFilter(); scanFilter.AddCondition("ForumId", ScanOperator.Equal, forumId); scanFilt
string tableName = "Thread";
Table ThreadTable = Table.LoadTable(client, tableName);
ScanFilter scanFilter = new ScanFilter();
scanFilter.AddCondition("ForumId", ScanOperator.Equal, forumId);
scanFilter.AddCondition("Tags", ScanOperator.Contains, "sortkey");
ScanOperationConfig config = new ScanOperationConfig()
{
AttributesToGet = new List<string> { "Subject", "Message" } ,
Filter = scanFilter
};
Search search = ThreadTable.Scan(config);
string tableName=“Thread”;
Table ThreadTable=Table.LoadTable(客户端,表名);
ScanFilter ScanFilter=新的ScanFilter();
scanFilter.AddCondition(“ForumId”,ScanOperator.Equal,ForumId);
scanFilter.AddCondition(“Tags”,ScanOperator.Contains,“sortkey”);
ScanOperationConfig=新的ScanOperationConfig()
{
AttributesToGet=新列表{“主题”,“消息”},
过滤器=扫描过滤器
};
Search=ThreadTable.Scan(配置);
我得到以下异常:
消息:Amazon.DynamoDBv2.amazondynamodexception:选择获取所有_属性时,无法指定AttributesToGet
----Amazon.Runtime.Internal.HttpErrorResponseException:引发了类型为“Amazon.Runtime.Internal.HttpErrorResponseException”的异常
如何解决它?我必须补充:
Select = SelectValues.SpecificAttributes
扫描操作配置
像这样:
ScanOperationConfig config = new ScanOperationConfig
{
AttributesToGet = new List<string> { "Subject", "Message" } ,
Filter = scanFilter
Select = SelectValues.SpecificAttributes
};
ScanOperationConfig配置=新建ScanOperationConfig
{
AttributesToGet=新列表{“主题”,“消息”},
过滤器=扫描过滤器
Select=SelectValues.specifictattributes
};