On 22/9/2025 15:37, Frédéric Yhuel wrote:
I wonder if this is an argument in favour of decoupling the sample size
and the precision of the statistics. Here, we basically want the sample
size to be as big as the table in order to include the few (NULL,
WARNING) values.
I also have seen how repea
On 9/20/25 18:51, Tom Lane wrote:
I concluded that maybe I was overthinking this part. We only really
need to check the rowcount estimate, since the indexscan cost estimate
is already okay. And stats_ext.sql seems to have gotten away with
assuming that rowcount estimates are reliably reprodu
On 9/22/25 15:57, Andrei Lepikhov wrote:
On 22/9/2025 15:37, Frédéric Yhuel wrote:
I wonder if this is an argument in favour of decoupling the sample
size and the precision of the statistics. Here, we basically want the
sample size to be as big as the table in order to include the few
(NULL