union_all-union_all文档介绍内容-阿里云

Union All

本文为您介绍Union All修改的可兼容性和不可兼容性详情。可兼容的修改调整Union All的输入Query的顺序，对下游有状态算子属于完全兼容修改。create table MyTable2(a int,b bigint,c varchar,d int);原始SQL。select a,sum(b),max(c)from...

UNION ALL语句

UNION ALL语句将两个流式数据合并。两个流式数据的字段完全一致，包括字段类型和字段顺序。语法 select_statement UNION ALL select_statement;示例测试数据表1：test_source_union1 a（varchar）b（bigint）c（bigint）test1 1 10 表2：...

Quick BI数据准备中的合并组件是UNION ALL

概述 Quick BI数据准备中的合并组件是UNION ALL。详细信息 Quick BI数据准备中的合并组件是UNION ALL 适用于 Quick BI

Dataphin中使用SQL任务union all两个分区总数据量不...

问题描述 Dataphin中使用SQL任务union all两个分区，数据量不等于两个分区数据量的和。代码如下：select*from s_item_view_d where ds='${bizdate}'-1 union all select*from s_item_view_d where ds='${bizdate}';问题原因因为${bizdate}...

UNION

UNION ALL 会保留重复值，而UNION 会进行去重处理，等价于UNION ALL+DISTINCT，运行效率较低，不建议使用。多路UNION时，不支持UNION和UNION ALL混用；语法格式 query:select_statement UNION[ALL]select_statement[UNION[ALL]select_...

UNION

UNION ALL 会保留重复值，而UNION 会进行去重处理，等价于UNION ALL+DISTINCT，运行效率较低，不建议使用。多路UNION时，不支持UNION和UNION ALL混用；支持版本>=Ha3 3.7.0 语法格式 query:select_statement UNION[ALL]select_statement...

UNION

UNION ALL 会保留重复值，而UNION 会进行去重处理，等价于UNION ALL+DISTINCT，运行效率较低，不建议使用。多路UNION时，不支持UNION和UNION ALL混用；支持版本>=Ha3 3.7.0 语法格式 query:select_statement UNION[ALL]select_statement...

in_id,0.7 as edge_weight union all select '5' as flow_out_id,'8' as flow_in_id,0.7 as edge_weight union all select '6' as flow_out_id,'7' as flow_in_id,0.6 as edge_weight union all select '6' as flow_out_id,'8' as flow_in_...

边聚类系数

out_id,'7' as flow_in_id union all select '2' as flow_out_id,'5' as flow_in_id union all select '2' as flow_out_id,'4' as flow_in_id union all select '2' as flow_out_id,'3' as flow_in_id union all select '3' as flow_out_id...

计数三角形

out_id,'5' as flow_in_id union all select '1' as flow_out_id,'6' as flow_in_id union all select '2' as flow_out_id,'3' as flow_in_id union all select '3' as flow_out_id,'4' as flow_in_id union all select '4' as flow_out_id...

树深度

out_id,'4' as flow_in_id union all select '2' as flow_out_id,'4' as flow_in_id union all select '2' as flow_out_id,'5' as flow_in_id union all select '4' as flow_out_id,'6' as flow_in_id union all select 'a' as flow_out_id...

Modularity

in_id union all select '1' as flow_out_id,'3' as group_out_id,'4' as flow_in_id,'3' as group_in_id union all select '2' as flow_out_id,'3' as group_out_id,'3' as flow_in_id,'3' as group_in_id union all select '2' as flow_...

类型转换

3.0 as f1,1 as f2 from dual union all select false as f0,3.0 as f1,1 as f2 from dual union all select false as f0,4.0 as f1,1 as f2 from dual union all select true as f0,3.0 as f1,1 as f2 from dual union all select false ...

点聚类系数

out_id,'5' as flow_in_id union all select '1' as flow_out_id,'6' as flow_in_id union all select '2' as flow_out_id,'3' as flow_in_id union all select '3' as flow_out_id,'4' as flow_in_id union all select '4' as flow_out_id...

k-Core

out_id,'3' as flow_in_id union all select '2' as flow_out_id,'4' as flow_in_id union all select '3' as flow_out_id,'4' as flow_in_id union all select '3' as flow_out_id,'5' as flow_in_id union all select '3' as flow_out_id...

ODPS-0130241

错误，union两边的数据类型不匹配 odps>(select a from mc_test1)union all(select a from mc_test2);FAILED:ODPS-0130241:[4,9]Illegal union operation-type mismatch for column 0 of UNION,left is STRING while right is BIGINT-正确...

正态检验

create table normality_test_input as select*from(select 1 as x from dual union all select 2 as x from dual union all select 3 as x from dual union all select 4 as x from dual union all select 5 as x from dual union all ...

单源最短路径

out_id,"d"as flow_in_id,1.0 as edge_weight union all select"b"as flow_out_id,"e"as flow_in_id,2.0 as edge_weight union all select"e"as flow_out_id,"d"as flow_in_id,1.0 as edge_weight union all select"c"as flow_out_id,"e"as...

卡方拟合性检验

默认所有概率值相等示例测试数据 create table pai_chisq_test_input as select*from(select '1' as f0,'2' as f1 from dual union all select '1' as f0,'3' as f1 from dual union all select '1' as f0,'4' as f1 from dual union all...

最大连通子图

create table MaximalConnectedComponent_func_test_edge as select*from(select '1' as flow_out_id,'2' as flow_in_id union all select '2' as flow_out_id,'3' as flow_in_id union all select '3' as flow_out_id,'4' as flow_in_id ...

PS线性回归

'1:0.77 2:0.91 3:0.23 4:4.46 5:0.91' as features union all select cast(2 as BIGINT)as label,'1:0.86 2:0.22 3:0.46 4:0.08 5:0.60' as features union all select cast(1 as BIGINT)as label,'1:0.76 2:0.89 3:1.02 4:0.78 5:0.86' ...

奇异值分解

create table svd_test_input as select*from(select '0:3.9079 2:0.0009 3:0.0416 4:0.17664 6:0.36460 8:0.091330' as col0 from dual union all select '0:0.09229 2:0.4872172 5:0.5267 8:0.4544 9:0.23317' as col0 from dual union ...

特征编码

5228.2 as nr_employed,0 as y union all select 37 as age,1 as campaign,999 as pdays,0 as previous,-1.8 as emp_var_rate,92.893 as cons_price_idx,-46.2 as cons_conf_idx,1.327 as euribor3m,5099.1 as nr_employed,0 as y union ...

合并行（UNION）

整合了UNION和UNION ALL的功能。Designer 仅支持通过可视化方式进行数据合并。参数描述左表输出列进行联合操作时，左右表选择的列数需相同，对应列的类型需保证一致。输入左表的where条件通过where条件实现数据过滤，与SQL类似，例如 ...

交集、并集和补集

本文为您介绍交集（intersect、intersect all、intersect distinct）、并集（union、union all、union distinct）和补集（except、except all、except distinct、minus、minus all、minus distinct）的使用方法。功能介绍 MaxCompute支持...

交集（INTERSECT）、并集（UNION）和补集（EXCEPT）

本文为您介绍交集（intersect、intersect all、intersect distinct）、并集（union、union all、union distinct）和补集（except、except all、except distinct、minus、minus all、minus distinct）的使用方法。功能介绍 MaxCompute支持...

K近邻

create table pai_knn_test_input as select*from(select 1 as f0,2 as f1,'good' as class from dual union all select 1 as f0,3 as f1,'good' as class from dual union all select 1 as f0,4 as f1,'bad' as class from dual union all...

皮尔森系数

否示例输入表 create table pai_pearson_test_input as select*from(select 1.0 as f0,0.11 as f1 union all select 2.0 as f0,0.12 as f1 union all select 3.0 as f0,0.13 as f1 union all select 5.0 as f0,0.15 as f1 union all ...

组合查询

语法如下：query1 UNION[ALL]query2 query1 INTERSECT[ALL]query2 query1 EXCEPT[ALL]query2 query1 和 query2 都是可以使用以上所有特性的查询。集合操作也可以嵌套和级连，例如：query1 UNION query2 UNION query3 实际执行的是：(query1...

CTE

Recursive CTE包含两部分查询子句，通过UNION ALL或UNION连接：SELECT.-non recursive part,return initial row set UNION[ALL]SELECT.-recursive part,return additional row sets 其中第一个查询子句 non recursive part 负责生成初始...

线性回归

0 as x2,'0:3.89' as sparsecol1 from dual union all select 40 as y,4.19 as x1,0 as x2,'0:4.19' as sparsecol1 from dual union all select 50 as y,5.76 as x1,0 as x2,'0:5.76' as sparsecol1 from dual union all select 60 as y,6....

UNION、INTERSECT和EXCEPT

语法 query { UNION[ALL]|INTERSECT|EXCEPT } query 参数 UNION：返回两个查询表达式的集合运算。UNION ALL：ALL 关键字用于保留 UNION 中产生的重复行。INTERSECT：返回只有在两个集合中同时出现的行，返回结果将删除两个集合中的重复行。...

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 ...

WITH查询（公共表表达式）

例如，考虑下面这个使用 link 域搜索表 graph 的查询：WITH RECURSIVE search_graph(id,link,data,depth)AS(SELECT g.id,g.link,g.data,1 FROM graph g UNION ALL SELECT g.id,g.link,g.data,sg.depth+1 FROM graph g,search_graph sg ...

VALUES列表

它实际上等效于：SELECT 1 AS column1,'one' AS column2 UNION ALL SELECT 2,'two' UNION ALL SELECT 3,'three';在默认情况下，本数据库中将 column1、column2 等名字分配给一个 VALUES 表的列。这些列名不是由 SQL 标准指定的，并且不同的...

GROUPING SETS扩展

SELECT loc AS"loc",NULL AS"dname",NULL AS"job",COUNT(*)AS"employees"FROM emp e,dept d WHERE e.deptno=d.deptno GROUP BY loc UNION ALL SELECT NULL,dname,NULL,COUNT(*)AS"employees"FROM emp e,dept d WHERE e.deptno=d.deptno ...

快速使用EMR Notebook

INSERT INTO TABLE myHiveTable SELECT '1','79' union all SELECT '2','83' union all SELECT '3','89' union all SELECT '4','95' union all SELECT '5','78';SELECT*from myHiveTable;单击按钮，运行该Cell。步骤五：基于运行结果进行...

概述

Union All 为您介绍Temporal Sort变更的可兼容性和不可兼容性详情。Temporal Sort 为您介绍Limit变更的可兼容性和不可兼容性详情。Limit 变更Source 为您介绍Source变更所造成的可兼容性和不可兼容性影响。变更Source 变更Sink 为您介绍...

预测

create table pai_rf_test_input as select*from(select 1 as f0,2 as f1,"good"as class from dual union all select 1 as f0,3 as f1,"good"as class from dual union all select 1 as f0,4 as f1,"bad"as class from dual union all ...

UNION、INTERSECT和EXCEPT

query { UNION[ALL]|INTERSECT|EXCEPT|MINUS } query 参数 UNION：返回两个查询表达式的集合运算。UNION ALL：ALL关键字用于保留由UNION生成的任何重复行。INTERSECT：返回派生自两个查询表达式的行的集合运算。返回结果中将丢弃未同时由两...

union_all

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