数据库返回“Data truncation:Truncated incorrect”...
问题描述 在DMS控制台中执行变更时，出现类似如下报错：Data truncation:Truncated incorrect XXX 问题原因 数据变更：表上的字段定义和执行的SQL类型不符合，常见的场景为表上定义是字符串类型，SQL中用了数值类型的写法。结构变更：需要...
数据管理DMS中出现“Data truncated for column”的...
Data truncated for column 问题原因 此问题一般发生在更新字段长度时，更新后的字段长度小于字段原长度的场景，即改小字段长度。例如，字段原长度为128字节，存储了一些数据后，希望更新字段长度为64字节，由于存储的数据中，部分数据已经...
partitioned table can not be truncated
概述 本文主要介绍Dataphin中truncate表报错“ODPS-0130071:[1,16]Semantic analysis exception-partitioned table can not be truncated”详细信息 该报错提示分区表不能被truncate。需要使用下面语句。一次删除一个分区。alter table...
Connection和Channel
本文介绍 云消息队列 RabbitMQ 版 中Connection和Channel的概念及其使用建议。Connection Connection是物理TCP连接。Connection将应用与 云消息队列 RabbitMQ 版 连接在一起。Connection会执行认证、IP解析、路由等底层网络任务。应用与 云...
列举文件
for common_prefix in result.common_prefix:print("common_prefix:",common_prefix)is_truncated=result.is_truncated#查看列举结果是否完整。如果结果不完整，则继续罗列。如果结果已完整，则退出循环。if is_truncated:next_key_marker=...
alicloud_adb_connection
Provides an ADB connection resource to allocate an Internet connection string for ADB cluster.->NOTE:Each ADB instance will allocate a intranet connnection string automatically and its prifix is ADB instance ID.To avoid ...
alicloud_db_connection
Provides an RDS connection resource to allocate an Internet connection string for RDS instance,see What is DB Connection.->NOTE:Each RDS instance will allocate a intranet connnection string automatically and its prifix is ...
alicloud_vpc_peer_connection
Provides a VPC Peer Connection resource.For information about VPC Peer Connection and how to use it,see What is Peer Connection.->NOTE:Available since v1.186.0.Example Usage Basic Usage data"alicloud_account""default"{ } ...
alicloud_gpdb_connection
Provides a connection resource to allocate an Internet connection string for instance.->NOTE:Available since v1.48.0.->NOTE:Each instance will allocate a intranet connection string automatically and its prefix is instance ...
alicloud_express_connect_virtual_physical_...
This data source provides Express Connect Virtual Physical Connection available to the user.->NOTE:Available in 1.196.0+Example Usage data"alicloud_express_connect_virtual_physical_connections""default"{ ids=["${alicloud_...
alicloud_vpc_peer_connection_accepter
Provides a Vpc Peer Connection Accepter resource.For information about Vpc Peer Connection Accepter and how to use it,see What is Peer Connection Accepter.->NOTE:Available since v1.196.0.Example Usage Basic Usage variable...
alicloud_express_connect_physical_connection
Provides a Express Connect Physical Connection resource.For information about Express Connect Physical Connection and how to use it,see What is Physical Connection.->NOTE:Available since v1.132.0.Example Usage Basic Usage ...
ALIYUN:REDIS:Connection
ALIYUN:REDIS:Connection类型用于为实例申请公网连接地址。语法 {"Type":"ALIYUN:REDIS:Connection","Properties":{"ConnectionType":String,"InstanceId":String,"Port":Integer,"ConnectionStringPrefix":String } } 属性 属性名称 类型 ...
express_connect_virtual_physical_connection
Provides a Express Connect Virtual Physical Connection resource.For information about Express Connect Virtual Physical Connection and how to use it,see What is Virtual Physical Connection.->NOTE:Available since v1.196.0....
ALIYUN:RDS:Connection
ALIYUN:RDS:Connection类型用于申请一条外网连接地址。语法 {"Type":"ALIYUN:RDS:Connection","Properties":{"DBInstanceId":String,"Port":Integer,"BabelfishPort":String,"ConnectionStringPrefix":String,"GeneralGroupName":String } ...
网络异常自动恢复
本文介绍如何在客户端设置Connection和Topology自动恢复，使Connection和Topology在网络连接断开后自动恢复，避免断连对您的业务造成影响。触发原因 Connection的I/O抛出异常。Socket读取操作超时。检测到服务端心跳丢失。恢复方法 重要 4....
alicloud_kvstore_connection
Operate the public network ip of the specified resource.How to use it,see What is Resource Alicloud KVStore Connection.->NOTE:Available since v1.101.0.Example Usage Basic Usage variable"name"{ default="tf-example"} data...
alicloud_privatelink_vpc_endpoint_connection
Provides a Private Link Vpc Endpoint Connection resource.vpc endpoint connection.For information about Private Link Vpc Endpoint Connection and how to use it,see What is Vpc Endpoint Connection.->NOTE:Available since v1....
告警项
事件名称 事件描述 事件级别 事件类型 事件状态 Endpoint:Connection:Accept 终端节点连接被接受 INFO Accept Executed Endpoint:Connection:Reject 终端节点连接被拒绝 INFO Reject Executed Endpoint:Connection:Zone:Accept 终端节点...
alicloud_router_interface_connection
Provides a VPC router interface connection resource to connect two router interfaces which are in two different VPCs.After that,all of the two router interfaces will be active.->DEPRECATED:This resource has been deprecated...
Commons Pool 连接 OceanBase 数据库示例程序
导入 java.sql.Connection 类，用于表示与数据库的连接。可以使用该对象执行 SQL 语句并获取结果。导入 java.sql.DriverManager 类，用于管理驱动程序的加载和数据库连接的建立。可以使用该类获取数据库连接。导入 java.sql.ResultSet 类，...
alicloud_db_read_write_splitting_connection
Provides an RDS read write splitting connection resource to allocate an Intranet connection string for RDS instance,see What is DB Read Write Splitting Connection.->NOTE:Available since v1.48.0.Example Usage variable"name...
alicloud_express_connect_physical_connections
On the Bandwidth of the ECC Service and Physical Connection.business_status-The Physical Connection to Which the Payment Status:Normal,financiallocked,securitylocked.circuit_code-Operators for Physical Connection Circuit ...
alicloud_event_bridge_connection
Provides a Event Bridge Connection resource.For information about Event Bridge Connection and how to use it,see What is Connection.->NOTE:Available since v1.210.0.Example Usage Basic Usage provider"alicloud"{ region=var....
网络管理
alicloud_db_connection.extranet:Destroying.[id=pgm-*:pgm-*]alicloud_db_connection.extranet:Destruction complete after 1s alicloud_db_connection.extranet:Creating.alicloud_db_connection.extranet:Still creating.[10s elapsed]...
使用Connection String URI连接分片集群实例
Connection String URI连接说明 要正确连接分片集群实例，您需要先了解下MongoDB的 Connection String URI，所有官方的 driver 都支持以Connection String URI的方式来连接MongoDB数据库。Connection String URI示例：mongodb:/[username:...
Quick BI链接MySQL报错“Host 'XXX'...connection errors...
问题原因 短时间之内同一个服务器链接数据库错误次数太多，超过max_connection_errors最大值（默认值10），服务器地址被数据库锁住。解决方案 方法一：刷新记录报错host的文件 root登录MySQL，然后执行flush hosts;注意：数据库主从服务器...
alicloud_vpc_peer_connections
This data source provides the Vpc Peer Connections of the current Alibaba Cloud user.->NOTE:Available in v1.186.0+.Example Usage Basic Usage data"alicloud_vpc_peer_connections""ids"{} output"vpc_peer_connection_id_1"{ ...
DataHub-Dataworks Connection服务关联角色
本文为您介绍DataHub-Dataworks Connection服务关联角色（AliyunServiceRoleForDataHubDWConnection）的应用场景以及如何删除服务关联角色。DataHub-Dataworks Connection服务关联角色（AliyunServiceRoleForDataHubDWConnection）是在选择...
步骤三：调用SDK收发消息
在生产环境中，建议提前创建好Connection，并在需要时重复使用，避免频繁创建和关闭Connection，以提高性能、复用连接资源，以及保证系统的稳定性。Connection connection=createConnection(hostName,userName,passWord,virtualHost);...
基于Node.js的应用开发
本文介绍如何使用Node.js的MySQL2驱动包...如果当前实例仅有default一个数据库，执行成功后将返回如下结果：Connection established.Connection closed.[`DATABASE` VARCHAR(0)][{ DATABASE:'default' },{ DATABASE:'information_schema' }]
alicloud_express_connect_physical_connection_...
NOTE:Available since v1.132.0 Example Usage data"alicloud_express_connect_physical_connection_service""open"{ enable="On"} Argument Reference The following arguments are supported:enable-(Optional)Setting the value to On ...
使用AMQProxy解决PHP等客户端Connection复用问题
AMQProxy是一款开源AMQP代理服务，具备复用AMQP Connection的能力。您可以通过该代理服务使原本只能使用短连接的客户端（例如PHP客户端）使用长连接，从而减少网络资源消耗和 云消息队列 RabbitMQ 版 资源消耗。前提条件 如果您要使用SSL...
Spring集成
该模式下支持创建多个Connection，程序会缓存一定数量的Connection，每个Connection中缓存一定的Channel。云消息队列 RabbitMQ 版 是集群分布式架构，在 CONNECTION 模式下，创建多个connection可以帮助客户端更好地和集群的多个服务节点...
failed Connection refused”
问题描述 Quick BI自助取数任务报错“Connect to[IP地址]failed，Connection refused”。问题原因 此问题一般出现在独立部署客户环境，问题原因是自助取数所部署的机器在连接用户取数对应的数据源时不能连通，原因可能为：1.自助取数机器IP...
如何兼容Hbase 1.0以前的版本
Connection 接口 HBase 1.0.0 及以上的版本中废除了 HConnection 接口，并推荐使用 org.apache.hadoop.hbase.client.ConnectionFactory 类，创建一个实现 Connection 接口的类，用 ConnectionFactory 取代已经废弃的 ConnectionManager 和 ...
alicloud_polardb_endpoint_address
Provides a PolarDB endpoint address resource to allocate an Internet endpoint address string for PolarDB instance.->NOTE:Available since v1.68.0.Each PolarDB instance will allocate a intranet connection string ...
查看连接信息
返回结果如下：+-+-+|connection_count|user|+-+-+|4|kepler|+-+-+|4|test|+-+-+|1|aurora|+-+-+查询每一个客户端建立的连接数 SELECT COUNT(*)AS connection_count,access_ip FROM INFORMATION_SCHEMA.KEPLER_CONNECTION_INFO_MERGED ...
alicloud_vpn_connection
Provides a VPN connection resource.->NOTE:Terraform will auto build vpn connection while it uses alicloud_vpn_connection to build a vpn connection resource.The vpn connection depends on VPN and VPN customer gateway.For ...
使用OSS Java SDK时报“Connection to XXXX refused”...
问题描述 使用OSS Java SDK时，...Connection to http://buname.oss-cn-hangzhou-internal.aliyuncs.com refused [RequestId]:Unknown at com.aliyun.oss.common.utils.ExceptionFactory.createNetworkException(ExceptionFactory.java:31)at ...
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