什么是边缘函数
边缘函数（EdgeRoutine，简称ER）是一项基于Serverless架构的服务，它允许开发者编写JavaScript代码并在阿里云全球边缘节点上部署和执行，支持ES6语法和标准的Web Service Worker API。通过这种技术，用户的请求可以直接在离用户最近的边缘...
什么是边缘函数
边缘函数（EdgeRoutine，简称ER）是一项基于Serverless架构的服务，它允许开发者编写JavaScript代码并在阿里云全球边缘节点上部署和执行，支持ES6语法和标准的Web Service Worker API。通过这种技术，用户的请求可以直接在离用户最近的边缘...
alicloud_network_interface
DEPRECATED:This resource has been renamed to alicloud_ecs_network_interface from version 1.123.1.Provides an ECS Elastic Network Interface resource.For information about Elastic Network Interface and how to use it,see ...
alicloud_ecs_disk
Computed)Name of the ECS disk.This name can have a string of 2 to 128 characters,must contain only alphanumeric characters or hyphens,such as"-",".","_",and must not begin or end with a hyphen,and must not begin with ...
alicloud_dts_synchronization_job
built database,and access via public IP or dedicated line.If the target instance is the Kafka version of Message Queuing,the target instance type needs to be ECS or EXPRESS as a self-built database,and access via ECS or ...
alicloud_slb_tls_cipher_policies
cipher_policy_name-(Optional,ForceNew)TLS policy name.Length is from 2 to 128,or in both the English and Chinese characters must be with an uppercase/lowercase letter or a Chinese character and the beginning,may contain ...
alicloud_disk
Provides a ECS disk resource.->DEPRECATED:This resource has been renamed to alicloud_ecs_disk from version 1.122.0.->NOTE:One of size or snapshot_id is required when specifying an ECS disk.If all of them be specified,size ...
逻辑运算符
逻辑运算符优先级从高到低为not、and、or。您可以使用圆括号改变默认的计算顺序。逻辑运算只支持输入值为true、false或null的布尔表达式。运算符 语法 说明 支持SQL 支持SPL AND运算符 x AND y x 和 y 的值都为true时，返回结果为true。OR...
alicloud_rds_account
Provides a RDS Account resource.For information about RDS Account and how to use it,see What is Account.->NOTE:Available since v1.120.0.Example Usage Basic Usage variable"name"{ default="tf_example"} data"alicloud_db_zones...
alicloud_nat_gateway
Provides a resource to create a VPC NAT Gateway.->NOTE:Resource bandwidth packages will not be supported since 00:00 on November 4,2017,and public IP can be replaced be elastic IPs.If a Nat Gateway has already bought some ...
alicloud_slb_load_balancer
can have a maximum of 80 characters,must contain only alphanumeric characters or hyphens,such as"-","/",".","_",and must not begin or end with a hyphen.If not specified,Terraform will autogenerate a name beginning with tf-...
alicloud_slb
(Optional)The name of the SLB.This name must be unique within your AliCloud account,can have a maximum of 80 characters,must contain only alphanumeric characters or hyphens,such as"-","/",".","_",and must not begin or end ...
alicloud_ess_scaling_configuration
Provides a ESS scaling configuration resource.->NOTE:Several instance types have outdated in some regions and availability zones,such as ecs.t1.*,ecs.s2.*,ecs.n1.*and so on.If you want to keep them,you should set is_...
alicloud_cs_kubernetes
each of which is up to 63 characters long,and can be lowercase,numerals,and underscores(-),and must be lowercase or numerals at the beginning and end.custom_san-(Optional,ForceNew,Available since v1.103.2)Customize the ...
alicloud_mns_queue
name-(Required,ForcesNew)Two queues on a single account in the same region cannot have the same name.A queue name must start with an English letter or a digit,and can contain English letters,digits,and hyphens,with the ...
公共错误码
诊断 400 ADMIN_UPDATE_BROKER_CONFIG_ERROR%s.Please check and try again later.更新Broker配置失败。请联系管理员。诊断 400 ADMIN_UPDATE_SUB_PERM_ERROR%s.Please check and try again later.更新订阅权限失败。请联系管理员。诊断 ...
alicloud_cassandra_cluster
Provides a Cassandra cluster resource supports replica set clusters only.The Cassandra provides stable,reliable,and automatic scalable database services.It offers a full range of database solutions,such as disaster ...
在PL/SQL中不支持调用其他语言代码
示例 使用Java实现的函数：create or replace function foo return varchar is external language java name 'hello' 改写为SPL语法的函数：CREATE OR REPLACE FUNCTION foo RETURN VARCHAR2 IS BEGIN RETURN 'That''s All Folks!...
alicloud_hbase_instance
Provides a HBase instance resource supports replica set instances only.The HBase provides stable,reliable,and automatic scalable database services.It offers a full range of database solutions,such as disaster recovery,...
日期和时间函数
支持的语法：DATE(expr)例子：SELECT DATE('2003-12-31 01:02:03')DATEDIFF DATEDIFF()returns expr1 − expr2 expressed as a value in days from one date to the other.expr1 and expr2 are date or date-and-time expressions.Only the...
不支持PIPELINED关键字
解决方案 对于Oracle中Pipelined语法，在PolsrDB-O创建函数时，使用Setof语法替换：CREATE[OR REPLACE]FUNCTION name([[argmode][argname]argtype[{ DEFAULT|=} default_expr][,.]])[RETURNS rettype|RETURNS TABLE(column_name column_...
使用限制说明
支持的条件表达式 OR或者AND LIKE或者NOT LIKE IS NULL或者NOT NULL BETWEEN XX AND XX 支持数量符号：=、>、<、>=、、<>IN或者NOT IN 支持GROUP BY分组 SELECT c1,Sum(c2)FROM dt WHERE p2 IN('a','b')GROUP BY c1;支持ORDER BY排序 ...
时间语法
语法 SELECT_clause FROM_clause WHERE time<operator>now()[[-|+]][(AND|OR)now()[.]]语法描述 now()是在服务器上执行查询时该服务器的Unix时间。或+和 duration_literal 之间必须要用空格隔开。支持的操作符如下表所示。等于不等于!不...
包规格
用于为包定义接口的语法包括：CREATE[OR REPLACE]PACKAGE package_name[authorization_clause]{ IS|AS }[declaration;[procedure_or_function_declaration;[package_name];其中 authorization_clause:={ AUTHID DEFINER }|{ AUTHID CURRENT...
查询字符串语法
搜索 支持 支持 完全匹配搜索 支持 不支持 正则表达式搜索 支持 不支持 数值范围搜索 支持 不支持 数值比较 支持 不支持 关系and、or、not及组合 支持 支持 字符转义 在字符串查询语法中，需要对一些特殊字符，例如星号（*）、反斜线（\）...
WHERE语句
语法 SELECT_clause FROM_clause WHERE[(AND|OR)[.]]语法描述 WHERE子句支持在field、tag和timestamp上的条件表达式（conditional_expression）。field field_key['string'|boolean|float|integer]WHERE子句支持对field value进行比较，...
创建与使用同义词
语法如下：CREATE[OR REPLACE][PUBLIC]SYNONYM[schema.]syn_name FOR object schema.object name;CREATE[OR REPLACE][PUBLIC]SYNONYM[schema.]syn_name FOR object_schema.object_name[@dblink_name];使用DROP SYNONYM命令删除同义词。语法...
alicloud_vpc_traffic_mirror_filter_egress_rule
Provides a VPC Traffic Mirror Filter Egress Rule resource.For information about VPC Traffic Mirror Filter Egress Rule and how to use it,see What is Traffic Mirror Filter Egress Rule.->NOTE:Available since v1.140.0.Example ...
为网格资源操作配置审计告警
200 or responseStatus.code:201)and objectRef.resource:virtualservices and objectRef.apiGroup:"networking.istio.io"and(verb:delete)目标规则DestinationRule删除(responseStatus.code:200 or responseStatus.code:201)and objectRef...
为网格资源操作配置审计告警
200 or responseStatus.code:201)and objectRef.resource:virtualservices and objectRef.apiGroup:"networking.istio.io"and(verb:delete)目标规则DestinationRule删除(responseStatus.code:200 or responseStatus.code:201)and objectRef...
批计算谓词下推配置
存在OR push.down.range.long=true push.down.range.string=true select*from table where val_long1>1000 or val_long1 is null or name like 'table%' and pk in {12341,213432};SQL正常。谓词全部下推。存在OR 存在地理位置类型列 ...
运算符
逻辑运算符 运算符 说明 A and B TRUE and TRUE=TRUE TRUE and FALSE=FALSE FALSE and TRUE=FALSE FALSE and FALSE=FALSE FALSE and NULL=FALSE NULL and FALSE=FALSE TRUE and NULL=NULL NULL and TRUE=NULL NULL and NULL=NULL A or B ...
LogicalOperator
逻辑操作符，枚举类型。LO_NOT 表示非。LO_AND 表示并。LO_OR 表示或。枚举取值列表 enum LogicalOperator { LO_NOT=1;LO_AND=2;LO_OR=3;}
性能测试指南
Q9 SELECT C_CITY,S_CITY,toYear(LO_ORDERDATE)AS year,sum(LO_REVENUE)AS revenue FROM lineorder_flat WHERE(C_CITY='UNITED KI1' OR C_CITY='UNITED KI5')AND(S_CITY='UNITED KI1' OR S_CITY='UNITED KI5')AND year>=1992 AND year,S_...
alicloud_launch_template
and it cannot have two or more consecutive periods(.)or hyphens(-).For Windows:The host name can be[2,15]characters in length.It can contain A-Z,a-z,numbers,periods(.),and hyphens(-).It cannot only contain numbers.For ...
运算符
逻辑运算符 运算符 说明 A and B TRUE and TRUE=TRUE TRUE and FALSE=FALSE FALSE and TRUE=FALSE FALSE and NULL=FALSE NULL and FALSE=FALSE TRUE and NULL=NULL NULL and TRUE=NULL NULL and NULL=NULL A or B TRUE or TRUE=TRUE TRUE ...
alicloud_polardb_endpoint
you also can import the primary endpoint and the cluster endpoint,to modify their ssl status and so on.->NOTE:The primary endpoint and the default cluster endpoint can not be created or deleted manually.Example Usage data...
alicloud_polardb_cluster_endpoint
prefix-(Optional)Prefix of the specified endpoint.The prefix must be 6 to 30 characters in length,and can contain lowercase letters,digits,and hyphens(-),must start with a letter and end with a digit or letter.port-...
控制文本搜索
'crab' 在没有引号时，to_tsquery 将为那些没有被 AND、OR 或者 FOLLOWED BY 操作符分隔的记号产生一个语法错误。plainto_tsquery([config regconfig,]querytext text)returns tsquery plainto_tsquery 将未格式化的文本 querytext 转换成...
alicloud_ecs_launch_template
name-(Optional)Instance host name.It cannot start or end with a period(.)or a hyphen(-)and it cannot have two or more consecutive periods(.)or hyphens(-).For Windows:The host name can be[2,15]characters in length.It can ...
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