标签：statistic tle head -name view log 下标 元素 net
select a,collect_set(b) as bb from t where b<=‘xxxxxx‘ group by a
a1,["b1","b2"]
a2,["b1","b2","b3","b4"]
可以按照这个返回的数组做文章，即为
select * from (select a,collect_set(b) as bb from t where b<=‘xxxxxx‘ group by a) where size(tmp.bb)=1 and tmp.bb[0]=‘xxxxxxxx‘;
标签：statistic tle head -name view log 下标 元素 net
原文地址：https://www.cnblogs.com/wingler/p/9488786.html
