hive case 和group【相关词_ hive case when】

1、当某个字段应用了case when条件并且使用了or,且where查询条件的里正好有该字段 对于非group by字段,可以用Hive的collect_set函数收集这些字段,返回一个数组; 使用数字

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Amazon.com: Incipio IP-432 HIVE Response C

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