| From: | David Geier <geidav(dot)pg(at)gmail(dot)com> |
|---|---|
| To: | Ilia Evdokimov <ilya(dot)evdokimov(at)tantorlabs(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Use merge-based matching for MCVs in eqjoinsel |
| Date: | 2025-10-27 15:50:33 |
| Message-ID: | c6fd168d-2c18-4bc7-b256-f33408391570@gmail.com |
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| Lists: | pgsql-hackers |
Hi Ilia!
On 10.09.2025 15:56, Ilia Evdokimov wrote:
>
> LGTM. Yes, I'll test this patch.
>
>
>
> Unfortunately, the JOB benchmark does not contain semi join nodes.
> However, TPC-DS does. I'll look for the queries with slowest planner
> times there and check them.
>
> I'll need some time to check both join and semi join cases with small
> and large default_statistics_target. I'll share the results later.
>
Have you had a chance to test above things?
I've seen that there's already a commit fest entry. I've adapted the
entry (changed the title and added myself as author). Do you want to add
yourself as reviewer?
--
David Geier
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