DDL语句
本文为您介绍Hudi与Spark SQl集成后...示例2：create table if not exists h2 using hudi partitioned by(dt)location '/xx/xx/h2' options(type='mor',primaryKey='id,name')as select 1 as id,'a1' as name,20 as price,'2021-01-03' as dt;
三元组转kv
create table triple2kv_test_input as select*from(select '01' as id,'a' as word,10 as count from dual union all select '01' as id,'b' as word,20 as count from dual union all select '01' as id,'c' as word,30 as count from ...
线性回归
create table lm_test_input as select*from(select 10 as y,1.84 as x1,1 as x2,'0:1.84 1:1' as sparsecol1 from dual union all select 20 as y,2.13 as x1,0 as x2,'0:2.13' as sparsecol1 from dual union all select 30 as y,3.89 as...
快速使用全量日志分析
querystring limit 10 查询5XX状态码详情*and status>499|select host,status,upstream_status,count(*)as t group by host,status,upstream_status order by t desc 查询请求时延分布*|SELECT count_if(upstream_response_time<20)as"<20...
如何查看MySQL数据库的锁信息
SELECT r.trx_id AS waiting_trx_id,r.trx_mysql_thread_id AS waiting_thread,LEFT(r.trx_query,20)AS waiting_query,concat(concat(lw.lock_type,' '),lw.lock_mode)AS waiting_for_lock,b.trx_id AS blocking_trx_id,b.trx_mysql_thread...
几何模型
ST_Union(smallc,bigc))as biginunion,ST_Equals(bigc,ST_Union(smallc,bigc))as bigisunion FROM(SELECT ST_Buffer(ST_GeomFromText('POINT(50 50)'),20)As smallc,ST_Buffer(ST_GeomFromText('POINT(50 50)'),40)As bigc)As foo;...
几何模型
ST_Union(smallc,bigc))as biginunion,ST_Equals(bigc,ST_Union(smallc,bigc))as bigisunion FROM(SELECT ST_Buffer(ST_GeomFromText('POINT(50 50)'),20)As smallc,ST_Buffer(ST_GeomFromText('POINT(50 50)'),40)As bigc)As foo;...
几何模型
bigc))as biginunion,ST_Equals(bigc,ST_Union(smallc,bigc))as bigisunion FROM(SELECT ST_Buffer(ST_GeomFromText('POINT(50 50)'),20)As smallc,ST_Buffer(ST_GeomFromText('POINT(50 50)'),40)As bigc)As foo;Result smallinsmall|...
CAST
返回+-+|_c0|+-+|2022-12-20|+-+-将带时分秒的日期字符串转成日期 select cast("2022-12-20 00:01:01"as date);返回+-+|_c0|+-+|NULL|+-+-如果需要正常显示，需要设置以下参数：set odps.sql.executionengine.enable.string.to.date.full....
几何模型
ST_Union(smallc,bigc))as biginunion,ST_Equals(bigc,ST_Union(smallc,bigc))as bigisunion FROM(SELECT ST_Buffer(ST_GeomFromText('POINT(50 50)'),20)As smallc,ST_Buffer(ST_GeomFromText('POINT(50 50)'),40)As bigc)As foo;...
间隔函数（2.0版）
示例：SELECT PERIOD_ADD(200801,20)as col1;col1|+-+|200909|PERIOD_DIFF PERIOD_DIFF(YYYYMM,YYYYMM)命令说明：返回参数1减去参数2的月份。参数说明：YYYYMM类型为BIGINT。示例：SELECT PERIOD_DIFF(200802,200703)as col1;col1|+-+|11|...
Quick BI如何根据排名大小给数据分组
以MaxCompute数据库为例，可以参考如下SQL创建数据集：select city,order_num,case when rank_num<=10 then 'top1-10' when rank_num>10 and rank_num<=20 then 'top11-20' when rank_num>20 and rank_num以上' end as rank_group from(select ...
typeconv-oper
我们可以用一个显式造型来帮助它：SELECT~CAST('20' AS int8)AS"negation;negation-21(1 row)示例4 数组包含操作符类型决定 这里是另一个决定带有一个已知和一个未知输入的操作符的例子：SELECT array[1,2],2,3}' as"is subset;is subset-t...
其他函数
返回+-+|_c0|+-+|2022-12-20|+-+-将带时分秒的日期字符串转成日期 select cast("2022-12-20 00:01:01"as date);返回+-+|_c0|+-+|NULL|+-+-如果需要正常显示，需要设置以下参数：set odps.sql.executionengine.enable.string.to.date.full....
ROUND函数精度问题案例
select round(cast(0.25375 as decimal(20,5)),4);返回结果为0.2538。当 set odps.sql.hive.compatible=true;时：select round(cast(0.25375 as decimal),4);返回结果为0。select round(cast(0.25375 as decimal(20,5)),4);返回结果为0....
新建类型
create or replace type test as VARRAY(20)of varchar2(20);表类型 独立嵌套表类型。create or replace type test as TABLE OF varchar2(100 BYTE);通过 as table of 创建一个数组 list。步骤 3：编辑语句 指定上述信息后，单击 下一步 ...
WATERMARK语句
Aggregate+Watermark SELECT watermark(ts,interval 10 seconds),count(*)as col1,col2 FROM stream_source GROUP BY ts,col2 Join+Watermark SELECT watermark(stream_source_1.ts,interval 20 second)as ts1,watermark(stream_source_2....
TPC-DS测试集
date between(cast('2000-05-19' as date)-30 days)and(cast('2000-05-19' as date)+30 days)(cast('1999-4-01' as date)+60 days)(cast('1999-5-01' as date)+60 days)and d_date between cast('2001-06-09' as date)and(cast('2001-06-09...
PS-SMART二分类训练
0.9 as f4,-1.04 as f5,1 as label union all select 1.02 as f0,-0.88 as f1,0.82 as f2,1.82 as f3,1.55 as f4,0.53 as f5,0 as label union all select 1.19 as f0,-1.18 as f1,-1.1 as f2,2.26 as f3,1.22 as f4,0.92 as f5,0 as label...
路径分析函数
'收藏','2023-11-24 16:04:20+08'),('1','浏览','2023-11-24 16:07:21+08'),('1','购买','2023-11-24 16:08:23+08'),('1','退出','2023-11-24 16:09:05+08'),('2','登录','2023-11-24 16:10:23+08'),('2','购买','2023-11-24 16:12:23+08')...
物化视图操作
ds|+-+-+-+-+|1|10|kyle|1|3|20|john|1|+-+-+-+-+-示例1：创建以ds为分区列的物化视图 create materialized view mf_mv lifecycle 7(key comment 'unique id',value comment 'input value',ds comment 'partitiion')partitioned on(ds)as ...
H3函数
SELECT H3(ST_MakePoInt(128.2,20.5))AS H3Cell;SELECT H3(ST_MakePoInt(128.2,20.5),15)AS H3Cell;以上示例语句返回结果相同，具体如下：+-+|H3Cell|+-+|645317832955184368|+-+H3_H3ToString 将LONG类型的H3网格编码转换为对应的STRING...
H3函数
SELECT H3(ST_MakePoInt(128.2,20.5))AS H3Cell;SELECT H3(ST_MakePoInt(128.2,20.5),15)AS H3Cell;以上示例语句返回结果相同，具体如下：+-+|H3Cell|+-+|645317832955184368|+-+H3_H3ToString 将LONG类型的H3网格编码转换为对应的STRING...
alicloud_cen_route_map
operate_mode="Additive"operate_community_set=["65501:1"]preference="20"prepend_as_path=["65501"]} Argument Reference The following arguments are supported:cen_id-(Required,ForceNew)The ID of the CEN instance.cen_region_id-...
生成列
创建生成列 语法 col_name data_type[GENERATED ALWAYS]AS(expr)[VIRTUAL|STORED|LOGICAL][NOT NULL|NULL][UNIQUE[KEY]][[PRIMARY]KEY][COMMENT 'string']生成列有以下三种类型：VITRUAL：生成列的值不存储，每次读取该列时由存储节点DN...
快速体验
time,12)AS BIGINT)点-19点' WHEN CAST(SUBSTR(behavior_time,12)AS BIGINT)>=20 AND CAST(SUBSTR(behavior_time,12)AS BIGINT)<= 23 THEN '20点-23点' END AS 下单时间,COUNT(*)AS 订单数 FROM bigdata_public_dataset.commerce.commerce_ali...
大数据AI公共数据集分析
time,12)AS BIGINT)点-19点' WHEN CAST(SUBSTR(behavior_time,12)AS BIGINT)>=20 AND CAST(SUBSTR(behavior_time,12)AS BIGINT)<= 23 THEN '20点-23点' END AS 时间段,COUNT(1)AS 页面访问次数 FROM bigdata_public_dataset.commerce.commerce...
使用EAS Python SDK部署模型
训练过程大约需要持续20分钟。import tensorflow as tf import tensorflow_datasets as tfds(ds_train,ds_test),ds_info=tfds.load('mnist',split=['train','test'],data_dir='./cached_datasets',shuffle_files=True,as_supervised=True,...
Quick BI数据集预览报错：null:INTERNAL:java.sql....
A19_20_,TO_CHAR(TO_DATE(ALI_T_1_.`ds`,'yyyyMMdd'),'yyyy')AS T_A41_21_,CONCAT(TO_CHAR(TO_DATE(ALI_T_1_.`ds`,'yyyyMMdd'),'yyyy'),'Q',CEIL(TO_CHAR(TO_DATE(ALI_T_1_.`ds`,'yyyyMMdd'),'mm')/3))AS T_AA4_22_,TO_CHAR(TO_DATE(ALI_T_...
Quick BI使用MaxCompute数据源创建SQL数据集时报错
A32_14_,ALL_T_1_.`code` AS T_A51_15_,ALL_T_1_.`income` AS T_AC2_16_,ALL_T_1_.`business_type` AS T_AC5_17_,ALL_T_1_.`time` AS T_AED_18_,ALL_T_1_.`account_serial_number` AS T_A49_19_,ALL_T_1_.`pid` AS T_AF1_20_,ALL_T_1_.`...
SELECT
等价于LIMIT 5,20 SELECT count(*)AS countRow FROM sensor;定义别名 聚合查询 统计设备ID F07A1260 某一时刻上报的所有数据条数。SELECT count(*)FROM sensor WHERE device_id='F07A1260' AND time='2021-04-22 15:33:00';查询设备ID F07A...
云数据库RDS SQL Server版查看锁信息
select str(request_session_id,4,0)as spid,convert(varchar(20),db_name(resource_database_id))as DB_Name,case when resource_database_id=db_id()and resource_type='OBJECT' then convert(char(20),object_name(resource_Associated_...
PS线性回归
'1:0.40 2:0.63 3:0.56 4:0.74 5:1.44' as features union all select cast(1 as BIGINT)as label,'1:0.17 2:0.49 3:1.50 4:2.20 5:0.35' as features)tmp;生成的数据如下。说明 KV格式数据的特征ID必须为正整数，特征值必须为实数。如果...
PS-SMART多分类
'1:0.40 2:0.63 3:0.56 4:0.74 5:1.44' as features union all select '1' as label,'1:0.17 2:0.49 3:1.50 4:2.20 5:0.35' as features)tmp;生成的数据如下。构建如下工作流，详情请参见 算法建模。配置组件参数。单击 读数据表-1 组件，...
PS-SMART回归
'1:0.40 2:0.63 3:0.56 4:0.74 5:1.44' as features union all select 1.0 as label,'1:0.17 2:0.49 3:1.50 4:2.20 5:0.35' as features)tmp;生成的数据如下。构建如下工作流，并运行组件，详情请参见 算法建模。在Designer左侧组件列表中...
Delta连接器
SELECT*FROM delta_table FOR TIMESTAMP AS OF CAST('2022-02-15 20:00:00+0800' AS TIMESTAMP WITH TIME ZONE);Z-Order Trino基于Z-Order优化了Delta表查询。目前支持Parquet自身的优化和Data Skipping的优化。执行优化后，Delta会按文件...
ASIN
insert into mf_math_fun_t values(null,-10,0.525,0.525BD,cast(0.525 as float),'10'),(-20,null,-0.1,-0.1BD,cast(-0.1 as float),'-10'),(0,-1,null,20.45BD,cast(-1 as float),'30'),(-40,4,0.89,null,cast(0.89 as float),'-30'),(5,...
FLOOR
insert into mf_math_fun_t values(null,-10,0.525,0.525BD,cast(0.525 as float),'10'),(-20,null,-0.1,-0.1BD,cast(-0.1 as float),'-10'),(0,-1,null,20.45BD,cast(-1 as float),'30'),(-40,4,0.89,null,cast(0.89 as float),'-30'),(5,...
CEIL
insert into mf_math_fun_t values(null,-10,0.525,0.525BD,cast(0.525 as float),'10'),(-20,null,-0.1,-0.1BD,cast(-0.1 as float),'-10'),(0,-1,null,20.45BD,cast(-1 as float),'30'),(-40,4,0.89,null,cast(0.89 as float),'-30'),(5,...
FORMAT_NUMBER
insert into mf_math_fun_t values(null,-10,0.525,0.525BD,cast(0.525 as float),'10'),(-20,null,-0.1,-0.1BD,cast(-0.1 as float),'-10'),(0,-1,null,20.45BD,cast(-1 as float),'30'),(-40,4,0.89,null,cast(0.89 as float),'-30'),(5,...
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