Hive 使用秩筛选记录
我正在联接两个表contact和district,联接将返回每个城市的多个记录。我想用排名为每个城市挑选任何记录。以下是我的查询,但它不起作用。如何更正我的查询Hive 使用秩筛选记录,hive,bigdata,Hive,Bigdata,我正在联接两个表contact和district,联接将返回每个城市的多个记录。我想用排名为每个城市挑选任何记录。以下是我的查询,但它不起作用。如何更正我的查询 Select p.name, p.city, p.district, RANK() over (partition by p.city order by p.district asc) as rank from (select d.name, c.city,
Select p.name,
p.city,
p.district,
RANK() over (partition by p.city order by p.district asc) as rank
from (select
d.name,
c.city,
c.district
from contact c inner join district d
ON d.district = c.district
AND d.districtType ='d'
AND d.nametype='2'
AND c.district like 'E%'
where c.city in(1316,1515,19393,8026))p
rank=1;
秩=1之前缺少where子句
Select p.name,
p.city,
p.district,
RANK() over (partition by p.city order by p.district asc) as rank
from (select
d.name,
c.city,
c.district
from contact c inner join district d
ON d.district = c.district
AND d.districtType ='d'
AND d.nametype='2'
AND c.district like 'E%'
where c.city in(1316,1515,19393,8026))p
where rank=1;
“不工作”是什么意思?您能显示一些输入数据、实际输出和预期输出吗?