mysql中出现 Unknown column ‘xxx‘ in ‘having clause‘ 这是因为在使用group by分组时,后面如果需要再加一个having进行判断,则所判断的字段需要在select后面出现 如: selectc.studentNo, c.name,count(coursename)fromcourses a, scores b, students cwherea.courseNo=b.courseNoandb.studentNo=c.studentNo...
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.having('distance < 5') .orderBy('brands.created_at') I got unknown column from this code block. Any suggestion?
学习记录438@MySQL group by having 报错1054 - Unknown column ‘type’ in ‘having clause’,程序员大本营,技术文章内容聚合第一站。
in query _mysql.connection.query(self, query) MySQLdb._exceptions.OperationalError: (1054, "Unknown column 'example.f1' in 'having clause'") The above exception was the direct cause of the following exception: Traceback (most recent call last): File "example.py", line 25, in <module> q...
When using Paginator\Adapter\QueryBuilder with multiple groups of fields with the same column name, the following behavior occurs GROUP BY vc.id, se.id, vc.zip, pc.id becomes pc.id AS id, vc.zip AS zip in the totalBuilder count query wit...
I have tried latest 5.6 and 5.7 version and I get the same error: ERROR 1054 (42S22) at line 8: Unknown column 'code2tmp.ext_id' in 'having clause' with a very similar test case: CREATE TABLE IF NOT EXISTS `t1` ( `id` INT(11) NOT NULL AUTO_INCREMENT, PRIMARY KEY (`id`) )...
学习记录438@MySQL group by having 报错1054 - Unknown column ‘type’ in ‘having clause’ 问题引出 在执行以下sql语句的时候报错:1054 - Unknown column ‘type’ in ‘having clause’ 原因 having 后跟的筛选条件所包含的字段必须是select后展示的字段或者group by 的条件字段!!! 其他注意事项 where是对查...
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