在PostgreSQL 中,出现“column must appear in the GROUP BY clause or be used in an aggregate function”错误,通常是因为在 SELECT 语句中使用了 GROUP BY 子句,但某些列既未包含在 GROUP BY 子句中,也未被用作聚合函数的一部分。 错误原因 在PostgreSQL 中,当你使用 GROUP BY 子句对数据进行分组时,SELECT...
我在pg生产模式下遇到此错误,但在sqlite3开发模式下工作正常。ActiveRecord::StatementInvalid in ManagementController#indexPG::Error: ERROR: column "estates.id" must appear in the GROUP BY clause or be used in an aggregate function LINE 1: SELECT "estates".* FROM "estates" WHERE "estates"."Mgmt"...
The cause of error: Column must appear in the GROUP BY clause or be used in an aggregate function The solution is to add the GROUP BY clause with column used in the select. Wrong query select first_name, last_name, count(*) from test.students; ERROR: column “students.first_name”...
How to Fix the “must appear in the GROUP BY clause” Error in Postgres? In PostgreSQL, the stated error appears because of the following reason: a column is specified in the SELECT statement but it doesn’t appear in the GROUP BY clause or any aggregate function. Here is a ...
报错:column att_test01.stname must appear in the group by clause or be used in an aggregate function gauss200是基于开源的postgres-XC开发的分布式关系型数据库系统,这是postgres常见的聚合问题。 解决方法如下: SELECT b.stname,b.gender,b.age,a.avg FROM (SELECT gender,AVG(age) AS avg FROM att...
ERROR: column "makerar.wmname" must appear in the GROUP BY clause or be used in an aggregate function LINE 1: SELECT cname, wmname, MAX(avg) FROM makerar GROUP BY cname; 首先这个错误的原因是因为: Before SQL3 (1999), the selected fields must appear in the GROUP BY clause[*].Interes...
我在pg生产模式下遇到此错误,但在sqlite3开发模式下工作正常。 ActiveRecord::StatementInvalid in ManagementController#indexPG::Error: ERROR: column "estates.id" must appear in the GROUP BY clause or be used in an aggregate functionLINE 1: SELECT "estates".* FROM "estates" WHERE "estates"."Mgmt...
PostgreSQLGROUPBY列必须出现在GROUPBY中 、 FK_itemId"=items.id) as scoreGROUPBY score.id 内部块本身工作,我相信我遵循了相同的格式。但是,它会输出错误: ERROR: column "score.name" must appear in theGROUPBY clause or be used in an a
Cause: org.postgresql.util.PSQLException: ERROR: column "r.name" must appear in the GROUP BY clause or be used in an aggregate function PostgreSQL的selectd字段必须是group by的字段里的 或者使用了聚合函数。MySQL则没有这个要求，非聚合列会随机取值。错误例子：select name, age, count(*)from user ...
As a PostgreSQL user, you surely encounter many error messages when writing an SQL code. Sometimes they are quite unclear, but you won’t need an interpreter for this one: “must appear in the GROUP BY clause or be used in an aggregate function”. ...