“expression not in group by key”这一错误通常出现在使用SQL进行分组查询(如GROUP BY语句)时,尝试选择(SELECT)的列或表达式没有在GROUP BY子句中明确指定。这违反了SQL的一些严格模式下的规则,尤其是在启用了ONLY_FULL_GROUP_BY的MySQL模式下。该模式要求SELECT列表、HAVING条件或ORDER BY列表中的每个列都必须是...
Hive中提示Expression Not In Group By Key的解决办法 问题出现的原因: 1.Hive不允许直接访问非group by字段; 2.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; 3.使用数字下标,可以直接访问数组中的元素; select publish_time,count(publish_time) as num from creationtime_out2 ...
Hive报错"Expression not in GROUP BY key"的解决方案 hive写查询语句时如果需要分组,且有些查询的列不需要变化,那么直接写会报错,需要写成collect_set("列名")[0] as "列名" 例如SELECT id,latitude,longitude FROM t_po GROUPBY id ;会报错,应该写成 SELECTid, collect_set(latitude)[0]as latitude,collect...
1.Hive不允许直接访问非group by字段；2.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；3.使用数字下标，可以直接访问数组中的元素；使用collect_set()函数包围非group by字段后，问题解决。
HiveServer2Error: Error while compiling statement: FAILED: SemanticException [Error 10025]: Line 1:7 Expression not in GROUP BY key 'day'#3731 z7ye I created a table and when I sql query everything works fine. but when I use ibis, it gives the error above. ...
Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'infor 2019-12-17 22:06 − 今天在Navicat上执行SQL增删改查数据操作的时候出现了下面这个问题 Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_...
1.Hive不允许直接访问非group by字段; 2.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; 3.使用数字下标,可以直接访问数组中的元素; MySQL中代码: select d.dname,count(*) num from emp e join dept d on e.deptno=d.deptno where e.sal<=2500 group by e.deptno order ...
Qualifiers: [Not_Null] Platform key that maps to the OSPlatform property for SMS_SupportedPlatforms Server WMI Class objects. For more information, see the Remarks section later in this topic. PlatformMaxVerKey Data type: String Access type: Read/Write Qualifiers: [Not_Null] Platform key that ...
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hive提示:Semantic Exception: Line 1:24 Expression not in GROUP BY key 'su' (state=42000,code=40000) 原因:1.Hive不允许直接访问非group by字段; 解决: 1.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;使用数字下标,可以直接访问数组中的元素,比如:collect_set(username)[0...