Another variation:
select avg(max) from (select distinct max(val) over(partition by id) from
mytable);
Cheers,
Greg
--
Crunchy Data - https://www.crunchydata.com
Enterprise Postgres Software Products & Tech Support
On 2/18/25 12:56, dfgpostgres wrote:
Hi:
psql 15.3
I have a table with sets of observations, each set sharing an id.
I want to get the average of the max of each set.
id | val
---
1 5.0
1 4.3
1 3.8
2 4.8
2 6.0
2 2.9
3 4.1
3 4.4
3 8.0
So I want the
On Wed, 19 Feb 2025 at 09:56, dfgpostgres wrote:
> So I want the avg of the max of the set where id=1 (5.0), where id=2 (6.0),
> where id=3 (8.0) ~= 6.33...
>
> I tried this...
>
> select
> avg(x.maxsz)
>from
> dvm.dvm_events d,
>
Hi:
psql 15.3
I have a table with sets of observations, each set sharing an id.
I want to get the average of the max of each set.
id | val
---
1 5.0
1 4.3
1 3.8
2 4.8
2 6.0
2 2.9
3 4.1
3 4.4
3 8.0
So I want the avg of the max of the set where id=1 (5
On 2/17/25 07:12, Rucha Kulkarni wrote:
Hi PostgreSQL Community,
While exploring the pg_freespacemap extension, I came across a few
doubts and would appreciate any insights or clarifications:
3. Whenever I check the values for B-tree indexes, I observe all values
to be 0.
From here:
http
Hi PostgreSQL Community,
While exploring the pg_freespacemap extension, I came across a few doubts
and would appreciate any insights or clarifications:
1. In the code, it defines NonLeafNodesPerPage as (BLCKSZ / 2 - 1) as can
be seen here:
https://github.com/postgres/postgres/blob/master/src/in