执行hive SQL时报错 AnalysisException: select list expression not produced by aggregation output (missing from GROUP BY clause?) - 码上欢乐

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执行hive SQL时报错 AnalysisException: select list expression not produced by aggregation output (missing from GROUP BY clause?)

本文转载自查看原文 2020-04-16 10:06 5730 hive报错

AnalysisException: select list expression not produced by aggregation output (missing from GROUP BY clause?)

错误原因

这个错误是由于查询列后面的字段没有全部放在group by 后面（除聚合函数以为）造成的。

错误解决

将查询列后面的字段（除聚合函数）都放在 group by后面就行

例如最开始我认为 case when 的字段不需要添加在group by 后面，所以导致了错误。

改，将case when 的字段添加到 group by 后面就正确了

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