公用表表达式
示例如下：指定MATERIALIZEDEXPLAIN WITH x1 AS MATERIALIZED(SELECT FROM t1)SELECT*FROM x1 WHERE a>1;通过执行计划可以看出，系统先计算了子查询，再进行汇总计算。QUERY PLAN Gather Motion 3:1(slice1;segments:3)(cost=0.00.3085.25 ...
使用X.509证书认证接入示例
with X.509 auth");} } 在以上代码中配置设备证书和证书私钥的路径。本示例工程X509-demo的resource目录下证书文件为x509device.cer、devicex509_pkcs8.key. 设备证书 private String certPath="/x509device.cer;设备证书私钥 private ...
返回结果
X-Requested-With,X-Sequence,_aop_secret,_aop_signature Access-Control-Max-Age:172800 x-acs-request-id: D874CC9A-C2D4-4DAE-A351-1699550F11A9 Server:AliyunBatchCompute {"Id":"cls-6ki3sg6sqlno7nt8fu0007"}错误结果返回的 HTTP ...
调试
如果存在环境变量&DEBUG=sdk&，所有请求将启用调试输出。请求信息>POST ...Access-Control-Allow-Headers:X-Requested-With,X-Sequence,_aop_secret, aop_signature< Access-Control-Max-Age:172800< Content-Encoding:gzip
Node.js SDK
OPTIONS','access-control-allow-headers':'X-Requested-With,X-Sequence, aop_secret,_aop_signaxxxx','access-control-max-age':'172800', 'x-acs-request-id':'xxx-9D6E-xxx-BEFF-xxx' },body:SearchByPicResponseBody { success:true,...
Java SDK 示例
GMT","access-control-max-age":"172800","transfer-encoding":"chunked","vary":"Accept-Encoding","x-acs-request-id":"25A5EDF9-CD77-4824-B6A8-957E87701C7F","access-control-allow-headers":"X-Requested-With, X-Sequence,_aop_...
自定义域名
'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';proxy_set_header Host$host;proxy_set_header X-Real-IP$remote_addr;proxy_set_header X-Forwarded-For$proxy...
自定义域名
'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';proxy_set_header Host$host;proxy_set_header X-Real-IP$remote_addr;proxy_set_header X-Forwarded-For$proxy...
PHP SDK
X-Requested-With,X-Sequence,_aop_secret,_aop_signaxxxx"} ["Access-Control-Max-Age"]=>array(1){[0]=>string(6)"172800"} ["x-acs-request-id"]=>array(1){[0]=>string(36) 01570329-856A-4923-8B98-FC2EB798795E"} }["body"]=>array...
Python SDK
'Access-Control-Allow-Headers':'X-Requested-With,X-Sequence,_aop_secret, aop_signaxxxx','Access-Control-Max-Age':'172800','x-acs-request-id': 'xx-2260-xx-A6C9-xx','Content-Encoding':'gzip' },'body':{ 'Success':True, 'Code'...
Go SDK
access-control-allow-headers":"X-Requested-With,X-Sequence,_aop_secret", access-control-allow-methods":"POST,GET,OPTIONS", access-control-allow-origin":"*","access-control-max-age":"172800", connection":"keep-alive",...
通用流程
x-acs-request-id":"01992A5F-4066-56CF-A834-FF510E17F822","access-control-allow-headers":"X-Requested-With, X-Sequence,_aop_secret,_aop_signature,x-acs-action,x-acs-version, x-acs-date,Content-Type","connection":"keep-...
常见问题
X-Requested-With,X-Sequence,X-Ca-Key,X-Ca-Secret,X-Ca-Version,X-Ca-Timestamp,X-Ca-Nonce,X-Ca-API-Key,X-Ca-Stage,X-Ca-Client-DeviceId,X-Ca-Client-AppId,X-Ca-Signature,X-Ca-Signature-Headers,X-Ca-Signature-Method,X-...
查询云桌面
access-control-allow-headers":"X-Requested-With,X-Sequence,_aop_secret, aop_signature,x-acs-action,x-acs-version,x-acs-date,Content-Type", connection":"keep-alive", content-type":"application/json;charset\u003dutf-8", ...
Node.js SDK调用示例
'access-control-allow-headers':'X-Requested-With,X-Sequence,_aop_secret, aop_signature','access-control-max-age':'172800','x-acs-request-id': 'F278FA13-11E6-42BC-9883-3566AC*' },body:ListAnalyticsDataResponseBody { ...
Java SDK调用示例
access-control-allow-headers":"X-Requested-With,X-Sequence,_aop_secret, aop_signature","connection":"keep-alive","content-type": application/json;charset=utf-8","access-control-allow-methods":"POST,GET, OPTIONS"} }失败：...
API网关实现跨域资源共享（CORS）
X-Requested-With,X-Sequence,X-Ca-Key,X-Ca-Secret,X-Ca-Version,X-Ca-Timestamp,X-Ca-Nonce,X-Ca-API-Key,X-Ca-Stage,X-Ca-Client-DeviceId,X-Ca-Client-AppId,X-Ca-Signature,X-Ca-Signature-Headers,X-Forwarded-For,X-Ca-Date,X-Ca-...
使用函数计算做为API后端服务
X-Requested-With, X-Sequence,X-Ca-Key,X-Ca-Secret,X-Ca-Version,X-Ca-Timestamp,X-Ca-Nonce,X-Ca-API-Key,X-Ca-Stage,X-Ca-Client-DeviceId,X-Ca-Client-AppId,X-Ca-Signature,X-Ca-Signature-Headers,X-Forwarded-For,X-Ca-Date,X-Ca-...
搭建在线多人音视频聊天室
Origin,Range,Accept-Encoding,Referer,Cache-Control,X-Proxy-Authorization,X-Requested-With,Content-Type");} if(he.getRequestMethod().equalsIgnoreCase("OPTIONS")){ httpWrite(he,200, return;}/将请求参数放入map中 Map ...
通过OpenAPI获取Token
GET,OPTIONS Access-Control-Allow-Headers:X-Requested-With,X-Sequence, aop_secret,_aop_signature Access-Control-Max-Age:172800 Server: Jetty(7.2.2.v20101205) {"NlsRequestId":"dd05a301b40441c99a2671905325*","RequestId":"E11F...
Net SDK
GET,OPTIONS","access-control-allow-headers":"X-Requested-With,X-Sequence, aop_secret, aop_signature","access-control-max-age":"172800","x-acs-request-id":"6D32C931-D584-4927-938A-6053AE9B630D"},"Body":{"Message":"success",...
ALB Ingress服务高级用法
本文介绍如何使用ALB ...创建AlbConfig，具体操作，请参见步骤一：创建AlbConfig。基于域名转发请求通过以下命令创建一个简单的Ingress，根据指定的正常域名或空域名转发请求。基于正常域名转发请求的示例如下：部署以下模板，分别创建Service...
ALB Ingress服务高级用法
在ASK集群中，ALB Ingress对集群服务（Service）中外部可访问的API对象进行管理，提供七层负载均衡能力。本文介绍如何使用ALB ...前提条件已创建一个ASK集群，集群的VPC需要配置NAT网关，从而可以访问外网，下载容器镜像。...
ALB Ingress服务高级用法
在Kubernetes集群中，ALB Ingress对集群服务（Service）中外部可访问的API对象进行管理，提供七层负载均衡能力。本文介绍如何使用ALB ...前提条件已创建Kubernetes集群。具体操作，请参见创建Kubernetes托管版集群。已通过kubectl工具连接ACK...
MSE Ingress高级用法
默认值为DNT、X-CustomHeader、Keep-Alive、User-Agent、X-Requested-With、If-Modified-Since、Cache-Control、Content-Type、Authorization。nginx.ingress.kubernetes.io/cors-expose-headers 允许暴露给浏览器的响应Header，响应Header...
MSE Ingress高级用法
默认值为DNT、X-CustomHeader、Keep-Alive、User-Agent、X-Requested-With、If-Modified-Since、Cache-Control、Content-Type、Authorization。nginx.ingress.kubernetes.io/cors-expose-headers 允许暴露给浏览器的响应Header，响应Header...
MSE Ingress高级用法
默认值为DNT、X-CustomHeader、Keep-Alive、User-Agent、X-Requested-With、If-Modified-Since、Cache-Control、Content-Type、Authorization。nginx.ingress.kubernetes.io/cors-expose-headers 允许暴露给浏览器的响应Header，响应Header...
CTE
WITH x AS(SELECT a,MAX(b)AS b FROM t GROUP BY a)SELECT a,b FROM x;WITH子句同样适用于多子查询：WITH t1 AS(SELECT a, MAX(b)AS b FROM x GROUP BY a),t2 AS(SELECT a,AVG(d)AS d FROM y GROUP BY a) SELECT t1.*,t2.*FROM t1 JOIN t2 ...
WITH
WITH x AS(SELECT a,MAX(b)AS b FROM t GROUP BY a)SELECT a,b FROM x;WITH子句可用于多子查询：WITH t1 AS(SELECT a,MAX(b)AS b FROM x GROUP BY a),t2 AS(SELECT a,AVG(d)AS d FROM y GROUP BY a)SELECT t1.*,t2.*FROM t1 JOIN t2 ON t1....
基于Tag和树状结构的库、表元信息管理
创建数据库create schema x1 with dbproperties(tags='中国.浙江省,行业'-增加tags)#创建表create table yy(id int)with tblproperties(tags='互联网.IoT,互联网.金融'-增加tags) tags是一个字符串，允许有多个tag词，通过英文符号（逗号、...
SELECT
WITH x AS(SELECT a,MAX(b)AS b FROM t GROUP BY a)SELECT a,b FROM x;也同样适用于多子查询的情况。WITH t1 AS(SELECT a,MAX(b)AS b FROM x GROUP BY a), t2 AS(SELECT a,AVG(d)AS d FROM y GROUP BY a)SELECT t1.*,t2.*FROM t1 JOIN t2 ...
业务添加DDoS高防后通过HTTP和HTTPS协议上传大文件...
LargeThe requested resource does not allow request data with the requested method or the amount of data provided in the request exceeds the capacity limit.问题原因 出现该问题的原因如下所示： 上传的文件大于2GB时，是由于DDoS...
createInstance
6.7_with_X-Pack 7.7_with_X-Pack 6.8_with_X-Pack 6.3_with_X-Pack 5.6_with_X-Pack 5.5.3_with_X-Pack 说明 以上所列版本不一定包含Elasticsearch实例支持的所有版本，实际支持的版本可调用GetRegionConfiguration接口查看。nodeSpec ...
ALIYUN:ElasticSearch:Instance
7.10_with_X-Pack6.7_with_X-Pack6.7_with_A-Pack7.7_with_X-Pack6.8_with_X-Pack6.3_with_X-Pack5.6_with_X-Pack5.5.3_with_X-PackResourceGroupIdString否是资源组ID。无EnablePublicBoolean否是是否开启实例的公网地址。取值：true：...
ListLogstash
目前仅支持6.7.0_with_X-Pack、7.4.0_with_X-Pack。Tags Array of tags 实例标签。TagValue String dev 标签值。TagKey String env 标签键。nodeSpec Object 数据节点的配置信息。spec String logstash.n4.small 实例规格。disk Integer 50...
GetRegionConfiguration
[\"6.7.0_with_X-Pack\",\"6.7.0_with_A-Pack\",\"7.4.0_with_X-Pack\"]"}, clientNodeAmountRange":{"minAmount":2,"maxAmount":25 }, warmNodeProperties":{"diskList":{"scaleLimit":2048,"minSize":500, maxSize":5120,"diskType":...
CreateLogstash
可选值：6.7_with_X-Pack 7.4_with_X-Pack nodeAmount Integer Body 是 2 实例所包含的节点个数。nodeSpec Object Body 是 数据节点配置信息。disk Long Body 否 50 节点磁盘大小，单位：GB。diskType String Body 否 cloud_ssd 节点磁盘...
基于Terraform管理阿里云Elasticsearch最佳实践
version="6.7_with_X-Pack"master_node_spec="elasticsearch.sn2ne.large zone_count="1"}provider插件支持的所有参数说明如下。参数 是否必选 描述 description 否 实例自定义名称的描述。instance_charge_type 否 计费模式。可选值：...
线性回归算法（Linear Regression）
本文介绍了线性回归算法（Linear Regression，以下简称LR）相关内容。简介 LR是利用线性回归方程的最小平方函数对一个或...db4ai.testdata1 limit 10)WITH(x_cols='dx1,dx2',y_cols='')说明 x_cols和y_cols中的列数据类型必须是浮点型或整型。
数组函数和运算符
zip_with函数 zip_with(x,y, lambda_expression)根据Lambda表达式中的定义将两个数组合并为一个数组。下标运算符 下标运算符用于返回数组中的第x个元素。等同于element_at函数。语法[x]参数说明 参数 说明 x 数组下标，从1开始。参数值为...
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