| From: | Alexandra Wang <alexandra(dot)wang(dot)oss(at)gmail(dot)com> |
|---|---|
| To: | jian he <jian(dot)universality(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org, Tomas Vondra <tomas(at)vondra(dot)me>, Andrei Lepikhov <lepihov(at)gmail(dot)com>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, hs(at)cybertec(dot)at, Jeff Davis <pgsql(at)j-davis(dot)com> |
| Subject: | Re: Is there value in having optimizer stats for joins/foreignkeys? |
| Date: | 2026-05-15 05:08:56 |
| Message-ID: | CAK98qZ3ASXEBuftvd=SxPwLOXgo=2-88SyZyLxXf3k4HfDKKsw@mail.gmail.com |
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| Lists: | pgsql-hackers |
Attached v6. It should fix the CI failures on NetBSD/Windows by
changing the ALTER TYPE invalidation test added in v5 from
text->varchar(100) to integer->numeric, avoiding encoding-dependent
width estimates.
Best,
Alex
--
Alexandra Wang
EDB: https://www.enterprisedb.com
| Attachment | Content-Type | Size |
|---|---|---|
| v6-0001-Add-join-MCV-statistics-for-selectivity-estimatio.patch | application/octet-stream | 219.8 KB |
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