简介
API 应用程序编程接口 用户开放API，在API网关录入API，以提供接口的方式对外提供服务或者数据。Group API Group API分组 一组API。用户开放API，首先需要创建API分组 每个API分组拥有一个二级域名，两个Stage 用户需要将已经备案且解析至...
基础术语
中文 释义 API 应用程序编程接口，是一些预先定义的函数，或指软件系统不同组成部分衔接的约定。API 分组 用于将 API 进行逻辑的分组，同个分组下的 API 使用相同的分组标识做隔离。分组标识 是网关全局的唯一标识，用于定位在访问的 API。...
ST_As3DGrid
语法 geomgrid[]ST_As3DGrid(geometry geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(meshgeom geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(sfmesh geom3d,...
ST_As3DGrid
语法 geomgrid[]ST_As3DGrid(geometry geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(meshgeom geom3d,integer precision,bool degenerated default false);geomgrid[]ST_As3DGrid(sfmesh geom3d,...
特征编码
3 as campaign,6 as pdays,2 as previous,-1.7 as emp_var_rate,94.055 as cons_price_idx,-39.8 as cons_conf_idx,0.729 as euribor3m,4991.6 as nr_employed,1 as y union all select 39 as age,2 as campaign,999 as pdays,0 as ...
聚类模型评估
create table if not exists pai_cluster_evaluation_test_input as select*from(select 1 as id,1 as f0,2 as f3 from dual union all select 2 as id,1 as f0,3 as f3 from dual union all select 3 as id,1 as f0,4 as f3 from dual ...
PS-SMART二分类训练
create table smart_binary_input lifecycle 3 as select*from(select 0.72 as f0,0.42 as f1,0.55 as f2,-0.09 as f3,1.79 as f4,-1.2 as f5,0 as label union all select 1.23 as f0,-0.33 as f1,-1.55 as f2,0.92 as f3,-0.04 as f4,-0....
Table2KV
create table test as select*from(select 0 as rowid,1 as col0,1.1 as col1,2 as col2 from dual union all select 1 as rowid,0 as col0,1.2 as col1,3 as col2 from dual union all select 2 as rowid,1 as col0,2.3 as col1,4 as col2...
标签传播聚类
id,'4' as flow_in_id,0.6 as edge_weight union all select '4' as flow_out_id,'6' as flow_in_id,0.3 as edge_weight union all select '5' as flow_out_id,'6' as flow_in_id,0.6 as edge_weight union all select '5' as flow_out_id,...
K均值聚类
使用其他初始质心的方式 create table pai_kmeans_test_input as select*from(select 'id1' as id,1 as f0,2 as f1 from dual union all select 'id2' as id,1 as f0,3 as f1 from dual union all select 'id3' as id,1 as f0,4 as f1 from...
使用CloudLens for SLS分析资源用量
t2 as(select InstanceID,round(di[1],3)as"费用",concat(cast(round(di[3]*100-100,3)as varchar),'%')"同比上月"from(select InstanceID,compare(cost,2592000)as di FROM(select InstanceID,round(sum(PretaxAmount),2)as cost FROM ...
标准化
string,11 as col_bigint,10.2 as col_double,False as col_boolean,cast('2016-07-02 10:00:00' as datetime)as col_datetime from dual union all select '02' as col_string,cast(null as bigint)as col_bigint,10.3 as col_double,True...
归一化
string,11 as col_bigint,10.2 as col_double,False as col_boolean,cast('2016-07-02 10:00:00' as datetime)as col_datetime from dual union all select '02' as col_string,cast(null as bigint)as col_bigint,10.3 as col_double,True...
CAST函数
返回结果如下：+-+|CAST(4.3 AS BOOLEAN)|+-+|1|+-+示例4 将INT的数据类型 5 转换为BOOLEAN类型，语句如下：SELECT CAST(5 AS BOOLEAN);返回结果如下：+-+|CAST(5 AS BOOLEAN)|+-+|1|+-+CAST AS DECIMAL(m,d)|FLOAT|INT|INTEGER|SMALLINT|...
CREATE TABLE AS
从分区子表创建新表，并自动同步数据，新表只会同步这一张子表的数据 CREATE TABLE public.new_table_3 AS TABLE public.src_table_child1;从Select Query的结果复制一张新表，同时设置新表属性。创建源表 BEGIN;CREATE TABLE public.src_...
缺失值填充
string,11 as col_bigint,10.2 as col_double,False as col_boolean,cast('2016-07-02 10:00:00' as datetime)as col_datetime from dual union all select '02' as col_string,cast(null as bigint)as col_bigint,10.3 as col_double,True...
API使用规范
API 本规范中“API”指：阿里云向您提供的应用程序编程接口（Application Programming Interface,简称API），您编程后通过该应用程序编程接口，可获取阿里云提供的弹性计算服务（ECS）、关系数据库服务（RDS）和对象存储服务（OSS）等阿里...
发布API商品
3.5 API商品的域名 在使用API网关进行API全生命周期管理的场景中，您需要在分组上绑定您的正式域名后，业务系统、客户端程序才能正式调用这些发布的API。但针对这些准备上架到云市场的API分组，则不必您绑定域名，在云市场服务商控制台中，...
UDF（地理空间）
本文为您介绍如何使用开源地理空间UDF分析空间数据。前提条件 请确认您已完成...wget 'https://repo1.maven.org/maven2/com/esri/geometry/esri-geometry-api/2.2.0/esri-geometry-api-2.2.0.jar' -O esri-geometry-api.jar cp~/.m2/repository/...
创建后端服务为HTTP的API
1 概述 您需要依次完成以下步骤：创建分组 定义API 创建应用和API授权 调试API 调用API 2 创建分组 API分组是API的管理单元，因此需要先创建API分组，然后在分组下创建API。步骤1 创建分组 在 API管理 中选择 分组管理，选择Region，点击 ...
API 流量治理
本文列出了 API 流量治理相关的所有 OpenAPI 及其请求参数、返回参数。编辑限流配置 sofa.apigateway.api.limitconfig.update 用于编辑指定 ID 的 API 的限流配置。请求参数 名称 类型 是否必填 示例 描述 api_id STRING 是 NQ3MMyVqDX6...
数据源配置常见问题
如果您已有API中的逻辑在使用DataV的API数据源时不支持（例如计算签名等），可使用阿里云API网关托管您的API，DataV连接阿里云API网关数据源时可以间接调用您在API网关中托管的API，此时阿里云API网关相当于API的代理。具体使用操作请参见 ...
数据源配置常见问题
如果您已有API中的逻辑在使用DataV的API数据源时不支持（例如计算签名等），可使用阿里云API网关托管您的API，DataV连接阿里云API网关数据源时可以间接调用您在API网关中托管的API，此时阿里云API网关相当于API的代理。具体使用操作请参见 ...
服务接入点
2 apigateway.ap-northeast-2.aliyuncs.com 马来西亚（吉隆坡）ap-southeast-3 apigateway.ap-southeast-3.aliyuncs.com apigateway-vpc.ap-southeast-3.aliyuncs.com日本（东京）ap-northeast-1 apigateway.ap-northeast-1.aliyuncs....
函数计算
3 事件函数对接API网关 3.1 创建事件触发函数 函数计算控制台配置API网关触发函数执行的流程可以参考 配置API网关触发器。3.2 创建API 说明 在API网关控制台上的详细操作步骤，详见快速入门中的 创建后端为函数计算的API。本文主要对需要...
导入标准OAS定义
API网关支持导入OAS 2.0和OAS3.0格式（详见 OpenAPI Specification）的API定义，帮助用户快速将现有系统的API接入网关。API网关既支持标准OAS格式的API定义的导入、也支持OAS定义扩展后的API定义导入。导入标准OAS格式的API定义 主要包括...
WAF接入配置
2 前提条件 开通Web应用防火墙 在API网关上已经发布了API 3 操作步骤 步骤1：在API分组上绑定您的域名，操作过程详见 使用自定义域名调用API。绑定成功后如下图所示：重要 由于后续步骤中还需配置WAF，建议当前阶段绑定域名时使用TXT解析。...
使用摘要签名认证方式调用API
API的拥有者可以在API网关控制台的应用管理页面生成APP，每个APP会携带一对签名密钥（APP Key和APP Secret）,API拥有者将API授权给指定的APP（APP可以是API拥有者颁发或者API调用者所有）后，API调用者就可以用APP的签名密钥来调用相关的...
逻辑回归二分类
cast(0 as double)as f1,cast(0 as double)as f2,cast(1 as double)as f3,cast(1 as bigint)as label from dual union all select cast(1 as double)as f0,cast(0 as double)as f1,cast(0 as double)as f2,cast(0 as double)as f3,cast(0 ...
复杂事件处理（CEP）语句
b1、b2 c1、b3 c2 c3，下方SQL语句得到的结果为 a1 b1 b2 c1 c3 d1：SELECT*FROM MyTable MATCH_RECOGNIZE(ORDER BY rowtime MEASURES A.id AS aid,FIRST(B.id)AS b1_id,FIRST(B.id,1)AS b2_id,FIRST(C.id)AS c1_id,LAST(C.id)AS c3_id,D....
GBDT回归
cast(0 as double)as f1,cast(0 as double)as f2,cast(1 as double)as f3,cast(1 as bigint)as label from dual union all select cast(1 as double)as f0,cast(0 as double)as f1,cast(0 as double)as f2,cast(0 as double)as f3,cast(0 ...
GBDT二分类
cast(0 as double)as f1,cast(0 as double)as f2,cast(1 as double)as f3,cast(1 as bigint)as label from dual union all select cast(1 as double)as f0,cast(0 as double)as f1,cast(0 as double)as f2,cast(0 as double)as f3,cast(0 ...
逻辑回归多分类
cast(1 as double)as f1,cast(0 as double)as f2,cast(0 as double)as f3,cast(0 as bigint)as label from dual union all select cast(0 as double)as f0,cast(0 as double)as f1,cast(1 as double)as f2,cast(0 as double)as f3,cast(2 ...
Modularity
id,'3' as group_out_id,'4' as flow_in_id,'3' as group_in_id union all select '3' as flow_out_id,'3' as group_out_id,'4' as flow_in_id,'3' as group_in_id union all select '4' as flow_out_id,'3' as group_out_id,'6' as flow_...
PARSE_URL
PARSE_URL(url1,'REF')as var5,PARSE_URL(url1,'PROTOCOL')as var6,PARSE_URL(url1,'FILE')as var7,PARSE_URL(url1,'AUTHORITY')as var8,PARSE_URL(nullstr,'QUERY')as var9,PARSE_URL(url1,'USERINFO')as var10,PARSE_URL(nullstr,'QUERY'...
H3函数
语法 boolean H3_AreNeighborCells(Long H3Cell1,Long H3Cell2)boolean H3_AreNeighborCells(string H3Cell1,string H3Cell2)参数说明 参数 说明 H3Cell1、H3Cell2 H3网格编码，类型为LONG或STRING。示例 示例一：输入两个LONG格式的H3网格...
WAF日志告警配置案例
本文提供了典型的Web应用防火墙（WAF）日志查询与分析告警配置案例。您可以参考本文提供的告警配置参数，在自定义WAF日志仪表盘中添加监控图表及配置告警。重要 本文以旧版日志服务告警配置为例，介绍相关配置参数。如果您已升级使用了新版...
WAF日志告警配置案例
本文提供了典型的Web应用防火墙（WAF）日志查询与分析告警配置案例。您可以参考本文提供的告警配置参数，在自定义WAF日志仪表盘中添加监控图表及配置告警。注意 本文以旧版日志服务告警配置为例，介绍相关配置参数。如果您已升级使用了新版...
性能白皮书（Nexmark性能测试）
reserve BIGINT,dateTime TIMESTAMP(3),expires TIMESTAMP(3),seller BIGINT,category BIGINT,extra VARCHAR>,bid ROW,bidder BIGINT,price BIGINT,channel VARCHAR,url VARCHAR,dateTime TIMESTAMP(3),extra VARCHAR>,dateTime AS CASE ...
性能测试指南
MKTSEGMENT AS C_MKTSEGMENT,s.S_NAME AS S_NAME,s.S_ADDRESS AS S_ADDRESS,s.S_CITY AS S_CITY,s.S_NATION AS S_NATION,s.S_REGION AS S_REGION,s.S_PHONE AS S_PHONE,p.P_NAME AS P_NAME,p.P_MFGR AS P_MFGR,p.P_CATEGORY AS P_CATEGORY,...
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