>You could likely get an idea of how the surplus filter is slowing down
>execution if you widen the filter to ensure it includes all possible
>"ladate" values, run the query, then run the query again without the
>date range filter. I would guess it'll only save you a few percent,
>but I'm open to b
On Fri, 30 Jun 2023 at 00:42, Umut TEKİN wrote:
> @Marc, I think there is no problem.Even though it says it is filtered by
> ladate, it is not. Because of the partition.
> As you can see for each index scan it uses a different partition and those
> partition boundaries are already specified logi
Hi,
@Marc, I think there is no problem.Even though it says it is filtered by
ladate, it is not. Because of the partition.
As you can see for each index scan it uses a different partition and those
partition boundaries are already specified logically.
For example; "Parallel Index Scan using table1_
Le mer. 28 juin 2023 à 22:46, Laurenz Albe a
écrit :
> On Wed, 2023-06-28 at 19:25 +0200, Marc Millas wrote:
> > Hi Laurenz, as said, in each partition there is only one value for
> ladate.
>
> The planner doesn't seem to take that into account.
>
Indeed. I did check values in pg_statistic. And r
On Wed, 2023-06-28 at 19:25 +0200, Marc Millas wrote:
> Hi Laurenz, as said, in each partition there is only one value for ladate.
The planner doesn't seem to take that into account.
Yours,
Laurenz Albe
On Wed, Jun 28, 2023 at 6:48 PM Laurenz Albe
wrote:
> On Wed, 2023-06-28 at 17:29 +0200, Marc Millas wrote:
> > https://explain.depesz.com/s/Opk0
> >
> > The big table (10 billions raws) is split in around 130 partitions, one
> by month.
> > the ladate column is the partition key, and it does hav
On Wed, 2023-06-28 at 17:29 +0200, Marc Millas wrote:
> https://explain.depesz.com/s/Opk0
>
> The big table (10 billions raws) is split in around 130 partitions, one by
> month.
> the ladate column is the partition key, and it does have 1 value for each
> partition.
> there is an index on the nu
Sorry, gmail sent uncompleted message
Hi,
Postgres 14.2 (for one more month)
The explain plan and request is here:
https://explain.depesz.com/s/Opk0
The big table (10 billions raws) is split in around 130 partitions, one by
month.
the ladate column is the partition key, and it does have 1 value
Hi,
Postgres 14.2 (for one more month)
The explain plan and request is here:
https://explain.depesz.com/s/Opk0
The big table is split in around 130 partitions, one by month.
the ladate column is the partition key, and it does have 1 value for each
partition.
there is a
Marc MILLAS
Senior Arc