将Hive collect_set查询迁移到Apache紧缩

时间:2018-08-20 07:05:28

标签: java hadoop mapreduce bigdata apache-crunch

如何编写与该配置单元查询等效的apache紧缩作业

select A, collect_set(B) as C from table group by A吗?

0 个答案:

没有答案