c1chart-c1chart文档介绍内容-阿里云

创建WDL工作流

kubectl get pods-n wdl 预期输出：NAME READY STATUS RESTARTS AGE cromwellcli-85cb66b98c-bv4kt 1/1 Running 0 5d5h cromwellserver-858cc5cc8-np2mc 1/1 Running 0 5d5h tesk-api-5d8676d597-wtmhc 1/1 Running 0 5d5h 步骤二：提交...

通用聚合函数

array_agg(c1){1,2} {true,false} {a,b} {1.1,2.2} avg(bigint)求BIGINT类型表达式中非空值的平均值。avg(c1)2.000000 avg(float8)求FLOAT8类型表达式中非空值的平均值。avg(c1)2.000000 avg(float4)求FLOAT4类型表达式中非空值的平均值。...

窗口函数

用例结果 id,c1,sum(id)over(order by id)id|c1|sum-+-+-1|a|2 1|a|2 3|b|5 4|c|9(4 rows)id,c1,sum(id)over()id|c1|sum-+-+-1|a|9 1|a|9 3|b|9 4|c|9(4 rows)可以看出，当使用排序子句时，求和值为第一行（最小值）到当前行的和，并且...

解绑辅助弹性网卡

实例规格族实例规格共享标准型实例规格族s6 ecs.s6-c1m1.small、ecs.s6-c1m2.large、ecs.s6-c1m2.small、ecs.s6-c1m4.large、ecs.s6-c1m4.small 经济型实例规格族e ecs.e-c1m1.large、ecs.e-c1m2.large、ecs.e-c1m4.large 突发性能实例...

Count函数

Count函数用于计算给定列的非空值，可以对查询返回的行进行计数。示例 select count(*)from test;select count(*)from test where c1=1;select count(c1)from test where c1=1;

数据类型隐式转换规则

c1-1(1 row)explain verbose select CAST(c1 as timestamp)from t_smallint;ERROR:cannot cast type smallint to timestamp without time zone LINE 1:explain verbose select CAST(c1 as timestamp)from t_smallint.e:表示仅支持通过 CAST...

创建向量表

本节将通过具体示例，介绍如何创建向量表。当前使用的相关语法均符合SQL1999标准，兼容部分SQL2003...CREATE TABLE FACE_TABLE(C1 INT,C2 REAL[]NOT NULL,C3 TIMESTAMP NOT NULL,C4 VARCHAR(20)NOT NULL,PRIMARY KEY(C1))DISTRIBUTED BY(C1);

SELECT

通过SELECT语法可以查询...WHERE条件中IS NULL的用法 SELECT c1,c2 FROM dt WHERE c1>1 OR c2 IS NULL;别名用法 SELECT COUNT(*)AS countRow FROM t1;SELECT c1 AS testC FROM t1 WHERE c1='2';IN的用法 SELECT*FROM dt WHERE c1 IN('a','b');

ST_ColorTable

描述颜色表的JSON格式：4分量：'{"compsCount":4,"entries":[{"value":0,"c1":0,"c2":0,"c3":0,"c4":255},{"value":1,"c1":0,"c2":0,"c3":85,"c4":255},{"value":2,"c1":0,"c2":0,"c3":170,"c4":255}]}' 3分量：'{"compsCount":3,"entries...

ST_ColorTable

描述颜色表的JSON格式：4分量：'{"compsCount":4,"entries":[{"value":0,"c1":0,"c2":0,"c3":0,"c4":255},{"value":1,"c1":0,"c2":0,"c3":85,"c4":255},{"value":2,"c1":0,"c2":0,"c3":170,"c4":255}]}' 3分量：'{"compsCount":3,"entries...

ST_ColorTable

描述颜色表的JSON格式：4分量：'{"compsCount":4,"entries":[{"value":0,"c1":0,"c2":0,"c3":0,"c4":255},{"value":1,"c1":0,"c2":0,"c3":85,"c4":255},{"value":2,"c1":0,"c2":0,"c3":170,"c4":255}]}' 3分量：'{"compsCount":3,"entries...

ST_ColorTable

描述颜色表的JSON格式：4分量：'{"compsCount":4,"entries":[{"value":0,"c1":0,"c2":0,"c3":0,"c4":255},{"value":1,"c1":0,"c2":0,"c3":85,"c4":255},{"value":2,"c1":0,"c2":0,"c3":170,"c4":255}]}' 3分量：'{"compsCount":3,"entries...

如何在较大结果集中使用ORDER BY

本文介绍在数据量较大的结果集场景中Lindorm SQL ORDER BY的使用解决方案以及最佳案例。...ORDER BY c1 desc,c2 asc/创建二级索引实现排序时要保证c1、c2索引列与ORDER BY排序方式相同 CREATE INDEX idx ON test(p1,c1 desc,c2 asc)

SKEWJOIN HINT

select/*+skewjoin(a(c0,c1)((1,"2"),(3,"4")))*/*from T0 a join T1 b on a.c0=b.c0 and a.c1=b.c1 and a.c2=b.c2;说明方法3直接指定值的处理效率比方法1和方法2（不指定值）高。实现原理热值Key指出现次数很多的key值。例如下图中红色...

SKEWJOIN HINT

select/*+skewjoin(a(c0,c1)((1,"2"),(3,"4")))*/*from T0 a join T1 b on a.c0=b.c0 and a.c1=b.c1 and a.c2=b.c2;说明方法3直接指定值的处理效率比方法1和方法2（不指定值）高。实现原理热值Key指出现次数很多的key值。例如下图中红色...

多版本数据管理

返回结果如下：+-+-+-+-+-+|c1|c2|c3|c2_l_ts|c3_l_ts|+-+-+-+-+-+|1|null|22|null|2001|1|1|11|1000|1000|2|6|null|2006|null|2|5|null|2005|null|+-+-+-+-+-+示例五：由于创建表时设置版本属性仅保留5个版本的数据，所以尽管指定_l_...

GetSearchStrategy-获取搜索策略

5C1C1C45-C64A-AD30-565F-140871D57E5E 示例正常返回示例 JSON 格式 {"requestId":"5C1C1C45-C64A-AD30-565F-140871D57E5E"} 错误码访问错误中心查看更多错误码。变更历史变更时间变更内容概要操作暂无变更历史

参数化游标

CURSOR c1(max_wage NUMBER)IS SELECT*FROM emp WHERE sal;BEGIN OPEN c1(2000);LOOP FETCH c1 INTO my_record;EXIT WHEN c1%NOTFOUND;DBMS_OUTPUT.PUT_LINE('Name='|my_record.ename|',salary='|my_record.sal);END LOOP;CLOSE c1;END;...

通过SQL连接并使用搜索引擎

while(rs.next()){ System.out.println("c1="+rs.getInt("c1")+",c2="+rs.getString("c2"));}/删除记录 stmt.execute("delete from test where c1>3");查询 rs=stmt.executeQuery("select*from test order by c1");System.out.println("#...

基于Python的应用开发

connection.close()执行成功后将返回如下结果：create table if not exists test_python(c1 integer,c2 integer,primary key(c1))upsert into test_python(c1,c2)values(1,1)upsert into test_python(c1,c2)values(%s,%s)delete from test_...

DeleteWatchTasks

返回数据名称类型示例值描述 RequestId String 46329898-489C-4E63-9BA1-C1DA5C5D0986 请求ID。Success Boolean true 是否调用成功。Code String 200 响应 code。Message String OK 返回消息。示例请求示例 http(s):/[Endpoint]/?...

绑定辅助弹性网卡

实例规格族实例规格共享标准型实例规格族s6 ecs.s6-c1m1.small、ecs.s6-c1m2.large、ecs.s6-c1m2.small、ecs.s6-c1m4.large、ecs.s6-c1m4.small 经济型实例规格族e ecs.e-c1m1.large、ecs.e-c1m2.large、ecs.e-c1m4.large 突发性能实例...

备份HBase集群

put 'test','a','cf:c1',1 put 'test','a','cf:c2',2 put 'test','b','cf:c1',3 put 'test','b','cf:c2',4 put 'test','c','cf:c1',5 put 'test','c','cf:c2',6 退出HBase Shell。exit 创建并查看快照。创建快照。hbase snapshot create-n ...

使用批量更新

方法是先将待更新的数据拼成一个Values表达式，然后按如下方式执行Update或Delete：update target_table set c2=t.c2 from(values(1,1),(2,2),(3,3),…(2000,2000))as t(c1,c2)where target_table.c1=t.c1 delete from target_table using...

数组函数

c1|c2|array_contains-+-+-{holo,array,FE,l,"",""}|function|f {"",cs,holo,sql,a,"",""}|holo|t(2 rows)array_except(array1,array2)ARRAY 返回属于 array1 而不属于 array2 的元素组成的数组。说明 Hologres V1.3.19及以上版本支持。...

ReleaseInstances-退订云渲染实例

gcs.r1c1m1.1xlarge DistrictId string 是大区 ID。取值：huadong xinan huanan huabei huazhong huadong Amount integer 是退订云渲染实例数量。取值范围：1~500。1 返回参数名称类型描述示例值 object Schema of Response ...

DescribeSlowQueryStatus-获取优化大师慢查询开通状态

名称类型必填描述示例值 appGroupIdentity string 是应用名称 my_app_group_name 返回参数名称类型描述示例值 object requestId string 请求 ID 5C1C1C45-C64A-AD30-565F-140871D57E5E result object 返回结果 region string 区域...

SELECT语句

测试结果 a（VARCHAR）b（INT）c（DATE）a1 211 1990-02-20 b1 120 2018-05-12 c1 89 2010-06-14 a1 46 2016-04-05 示例二测试语句 SELECT a,c AS d FROM 表名;测试结果 a（VARCHAR）d（DATE）a1 1990-02-20 b1 2018-05-12 c1 2010-06-14 ...

ListInstances-查询云渲染实例列表

NextToken":"BEXZPF01W23U46598WVf","MaxResults":200 } 示例正常返回示例 JSON 格式 {"RequestId":"46329898-489C-4E63-9BA1-C1DA5C5D0986","Instances":[{"InstanceId":"gcs-bmt0kbn7e013aedg9","InstanceType":"gcs.r1c1m1.1xlarge",...

复杂事件处理（CEP）语句

例如有序列 a1 b1 b2 c1 b3 c2 c3 d1，其中包含组合模式(B C*)的三次重复 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 b...

ReserveInstances-预定云渲染实例

1 返回参数名称类型描述示例值 object Schema of Response RequestId string 请求 ID 46329898-489C-4E63-9BA1-C1DA5C5D0986 InstanceIds array 预定成功返回的云渲染实例 ID 列表。string 实例 ID。gcs-bmt0kbn7e013aedg9 示例正常...

SQL Server 2008 R2高可用系列

测试规格实例规格 CPU核数内存（GB）IOPS rds.mssql.s1.small 1 2 1000 rds.mssql.s2.large 2 4 2000 rds.mssql.s2.xlarge 2 8 4000 rds.mssql.s3.large 4 8 5000 rds.mssql.m1.medium 4 16 7000 rds.mssql.c1.large 8 16 8000 rds.mssql...

多集群代理服务

kubectl amc get deployment-n demo-m managedcluster-c1*e5 预期输出：Run on ManagedCluster managedcluster-c1xxxe5 NAME READY UP-TO-DATE AVAILABLE AGE demo 1/1 1 1 2m48s 执行以下命令，查看Pod的状态。kubectl amc get pod-n demo...

ST_SetColorTable

clb 颜色表的JSON格式，参见 ST_ColorTable 示例 update rast set rast=ST_SetColorTable(rast,0,'{"compsCount":4,"entries":[{"value":0,"c1":0,"c2":0,"c3":0,"c4":255},{"value":1,"c1":0,"c2":0,"c3":85,"c4":255},{"value":2,"c1":0,...

ST_SetColorTable

示例 update rast set rast=ST_SetColorTable(rast,0,'{"compsCount":4,"entries":[{"value":0,"c1":0,"c2":0,"c3":0,"c4":255},{"value":1,"c1":0,"c2":0,"c3":85,"c4":255},{"value":2,"c1":0,"c2":0,"c3":170,"c4":255}]}');(1 row)

ST_SetColorTable

示例 update rast set rast=ST_SetColorTable(rast,0,'{"compsCount":4,"entries":[{"value":0,"c1":0,"c2":0,"c3":0,"c4":255},{"value":1,"c1":0,"c2":0,"c3":85,"c4":255},{"value":2,"c1":0,"c2":0,"c3":170,"c4":255}]}');(1 row)

ST_SetColorTable

示例 update rast set rast=ST_SetColorTable(rast,0,'{"compsCount":4,"entries":[{"value":0,"c1":0,"c2":0,"c3":0,"c4":255},{"value":1,"c1":0,"c2":0,"c3":85,"c4":255},{"value":2,"c1":0,"c2":0,"c3":170,"c4":255}]}');(1 row)

磁盘型实例规格

规格 InstanceClass（API使用）规格信息最大连接数最大带宽（MB/s）CPU核数内存（GB）SSD容量（GB）4C-32GB tair.localssd.c1m8.xlarge 4 32 640 5,000 187.5 8C-32GB tair.localssd.c1m4.2xlarge 8 32 320 10,000 375 8C-64GB tair....

磁盘型实例规格

规格 InstanceClass（API使用）规格信息最大连接数最大带宽（MB/s）CPU核数内存（GB）SSD容量（GB）4C-32GB tair.localssd.c1m8.xlarge 4 32 640 5,000 187.5 8C-32GB tair.localssd.c1m4.2xlarge 8 32 320 10,000 375 8C-64GB tair....

pgvector兼容模式使用指南

示例创建一个命名为FACE_TABLE的向量表，其中C1为主键，C2和C3均为向量列，具体示例如下：CREATE TABLE FACE_TABLE(C1 INT,C2 VECTOR(512)NOT NULL,C3 VECTOR(1536)NOT NULL,C4 TIMESTAMP NOT NULL,C5 VARCHAR(20)NOT NULL,PRIMARY KEY(C1...

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