在gauss200下执行以下语句: SELECT stname,age,gender,AVG(age) FROM att_test01 GROUP BY gender HAVING age > AVG(age); 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postgre...
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"...
这将导致一个错误,因为product_id没有在GROUP BY子句中指定。错误信息可能类似于: text ERROR: column "sales.product_id" must appear in the GROUP BY clause or be used in an aggregate function 4. 提供解决方案,如何在不违反SQL规则的前提下,满足查询需求 要解决这个问题,我们只需确保SELECT语句中除聚合...
如果是MySQL, 你可以直接group name 然后 select class,avg(score), 但是你在PostgreSQL里就不行。 他会爆出以下的错误 column “class” must appear in the GROUP BY clause or be used in an aggregate function 就是说这个 select class是非法的。 刚从MySQL切到PostgreSQL后很可能会比较难受这个点。 其实有...
一般在书写sql的是时候很多时候会误将聚合函数放到where后面作为条件查询，事实证明这样是无法执行的，执行...
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
如果是MySQL, 你可以直接group name 然后 select class,avg(score), 但是你在PostgreSQL里就不行。 他会爆出以下的错误 column “class” must appear in the GROUP BY clause or be used in an aggregate function 就是说这个 select class是非法的。 刚从MySQL切到PostgreSQL后很可能会比较难受这个点。 其实有...
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" = ... ^: SELECT "estates".* FROM "estates" WHERE "...
A "must appear in the GROUP BY clause" error occurs in PostgreSQL when a column is specified in the SELECT statement but it is not utilized in the GROUP BY clause or any aggregate function. To fix this error, the columns that are listed in the SELECT LIST must be included in...
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 ...