Re: Incorrect sort result caused by ROLLUP and WHERE operation

Zhang Mingli <zmlpostgres@gmail.com>

From: Zhang Mingli <zmlpostgres@gmail.com>
To: pgsql-bugs <pgsql-bugs@lists.postgresql.org>, 谭忠涛 <zhongtao.tan@seaboxdata.com>
Date: 2025-01-02T10:49:26Z
Lists: pgsql-bugs
Hi,


Zhang Mingli
www.hashdata.xyz

Do you mean order of null value (column a)  is wrong?
Use NULLS FIRST/LAST to order null values.
On Jan 2, 2025 at 18:19 +0800, 谭忠涛 <zhongtao.tan@seaboxdata.com>, wrote:
>
> Case:
> create table t1(a int, b int);
> insert into t1 values(1,1),(1,2);
> select a,b,sum(10) as s from t1 where a = 1 group by rollup(a,b) order by a, s desc;