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...
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 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 子句
本文介绍UNION子句。语法 UNION 子句具有以下形式：select_statement UNION[ALL]select_statement 说明 select_statement 是不带 ORDER BY 或 FOR UPDATE 子句的任何 SELECT 语句。（如果用括号将 ORDER BY 括起来，则可将它附加到子表达式...
UNION子句
语法 SELECT key1 FROM logstore1 UNION SELECT key2 FROM logstore2 UNION SELECT key3 FROM logstore3 注意 UNION内每个SELECT子句必须拥有相同数量的列，对应列的数据类型相同。参数说明 参数 说明 key 字段名或列名。key1、key2 和 key...
ST_Union
语法 geometry ST_Union(geometry set g1Field);geometry ST_Union(geometry g1,geometry g2);geometry ST_Union(geometry[]g1Array);geometry ST_Union(geometry set g1Field,float8 gridsize);geometry ST_Union(geometry set g1Field,...
ST_union
将pcpatch数组聚合成单个...语法 pcpatch ST_union(pcpatch[]pcs);参数 参数名称 描述 pcs pcpatch数组。示例 如下示例计算pcpatch数组聚合后pcpatch对象的点总数。SELECT ST_NumPoints(ST_Union(pa))FROM patches;st_numpoints-100(1 row)
ST_Union
语法 geometry ST_Union(geometry set g1Field);geometry ST_Union(geometry g1,geometry g2);geometry ST_Union(geometry[]g1Array);geometry ST_Union(geometry set g1Field,float8 gridsize);geometry ST_Union(geometry set g1Field,...
ST_Union
语法 geometry ST_Union(geometry set g1Field);geometry ST_Union(geometry g1,geometry g2);geometry ST_Union(geometry[]g1Array);geometry ST_Union(geometry set g1Field,float8 gridsize);geometry ST_Union(geometry set g1Field,...
ST_union
语法 pcpatch ST_union(pcpatch[]pcs);参数 参数名称 描述 pcs pcpatch数组。示例-Compare npoints(sum(patches))to sum(npoints(patches))SELECT ST_NumPoints(ST_Union(pa))FROM patches;SELECT Sum(ST_NumPoints(pa))FROM patches;100
ST_union
语法 pcpatch ST_union(pcpatch[]pcs);参数 参数名称 描述 pcs pcpatch数组。示例-Compare npoints(sum(patches))to sum(npoints(patches))SELECT ST_NumPoints(ST_Union(pa))FROM patches;SELECT Sum(ST_NumPoints(pa))FROM patches;100
MAP_UNION
对输入Map进行Union操作构造输出Map，如果某一个Key在多个输入Map中都存在，则会随机只保留其中的一个。注意事项 升级到MaxCompute 2.0后，产品扩展了部分函数。如果您用到的函数涉及新数据类型（TINYINT、SMALLINT、INT、FLOAT、VARCHAR、...
ARRAY_UNION
命令格式 array<T>array_union(array<T><a>,array<T><b>)参数说明 a、b：必填。ARRAY数组。array中的 T 指代ARRAY数组元素的数据类型，数组中的元素可以为任意类型。a 和 b 中元素的数据类型必须一致。数组中的元素可以为如下类型：TINYINT...
UNION ALL语句
SELECT a,sum(b),sum(c)FROM(SELECT*from test_source_union1 UNION ALL SELECT*from test_source_union2 UNION ALL SELECT*from test_source_union3)t GROUP BY a;测试结果 d（varchar）e（bigint）f（bigint）test1 1 10 test2 2 20 test...
使用 MULTISET UNION 运算符
MULTISET UNION运算符将两个集合合并在一起以构成第三个集合。特征为：coll_1 MULTISET UNION[ALL|DISTINCT]coll_2 coll_1和coll_2指定要合并的集合的名称。包含ALL关键字将指定重复元素（coll_1和coll_2中都存在的元素）应包含在结果中，...
MAP_UNION_SUM
对输入Map进行Union并对同一个Key的Value进行求和操作构造输出Map，如果某一个Key对应的Value为NULL，则将其转换为0。注意事项 升级到MaxCompute 2.0后，产品扩展了部分函数。如果您用到的函数涉及新数据类型（TINYINT、SMALLINT、INT、...
UNION、INTERSECT和EXCEPT
UNION、INTERSECT和EXCEPT用于将多个查询语句的结果集进行组合，从而形成一个最终结果。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...
UNION、INTERSECT和EXCEPT
UNION、INTERSECT 和 EXCEPT 用于将多个查询结果集进行组合，从而得到一个最终结果。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。...
UNION、CASE和相关结构
SQL UNION 结构必须使可能不相似的类型匹配成为一个单一的结果集。该决定算法被独立地应用到一个联合查询的每个输出列。INTERSECT 和 EXCEPT 采用和 UNION 相同的方法来决定不相似的类型。其他一些结构，包括 CASE、ARRAY、VALUES，以及 ...
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}...
合并行（UNION）
合并行（UNION）算法组件是将两张表的数据按行合并，左表及右表选择输出的字段个数以及类型应保持一致。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...
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...
Dataphin使用SQL的insert overwrite时报错“ODPS-...
问题描述 Dataphin使用SQL的insert overwrite时报错“ODPS-0130161:[2,1]Parse exception-invalid token 'SELECT',expect one of 'MINUS','UNION','INTERSECT','EXCEPT'”。问题原因 原因是SQL的语法错误，insert overwrite 时不能在要插入...
ODPS-0130241
错误码：ODPS-0130241:Illegal union operation 错误1：Illegal union operation-type mismatch for column xx of UNION,left is YY while right is ZZ 错误信息示例 ODPS-0130241:[m,n]Illegal union operation-type mismatch for column ...
快速拉起X2I召回服务
id,'10002' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10003' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10004' AS item_id,1640275200 AS time UNION-20211224 SELECT '...
快速拉起向量召回服务
id,'10002' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10003' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10004' AS item_id,1640275200 AS time UNION-20211224 SELECT '...
标签传播聚类
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_...
快速拉起多路召回服务
id,'10002' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10003' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10004' AS item_id,1640275200 AS time UNION-20211224 SELECT '...
组合查询
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 UNION query2)UNION query3 UNION 有效地把 query2 的结果附加到 query1 的结果上（不过我们不能保证这就是这些行实际被返回的顺序）。...
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...
快速拉起基于PAI的X2I召回服务
id,'10002' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10003' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10004' AS item_id,1640275200 AS time UNION-20211224 SELECT '...
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_...
使用行为过滤表实现曝光过滤功能
id,'10002' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10003' AS item_id,1640275200 AS time UNION-20211224 SELECT 'u0002' AS user_id,'10004' AS item_id,1640275200 AS time UNION-20211224 SELECT '...
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...
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...
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 ...
查询语法
UNION/INTERSECT/EXCEPT/MINUS子句 UNION/INTERSECT/EXCEPT/MINUS用于进行集合求并、交、差操作，语法为：query { UNION[ALL]|INTERSECT|EXCEPT|MINUS } query 参数：query：操作符前后的query输出的列数目和类型都必须完全一致。UNION[ALL...
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...
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