Request a Demo
Home   >   mailing lists

Re: apply_scanjoin_target_to_paths and partitionwise join - Mailing list pgsql-hackers

From Robert Haas
Subject Re: apply_scanjoin_target_to_paths and partitionwise join
Date
Msg-id CA+Tgmoawi-6gizOGPmR6v=GcyS8njvgED1HoW8q_=XJtMwKpZA@mail.gmail.com
Whole thread Raw
In response to Re: apply_scanjoin_target_to_paths and partitionwise join  (Arne Roland <arne.roland@malkut.net>)
Responses Re: apply_scanjoin_target_to_paths and partitionwise join
List pgsql-hackers
Tree view 
On Wed, Oct 29, 2025 at 2:06 PM Arne Roland <arne.roland@malkut.net> wrote:
> This virtually equivalent query issue occurs when the join condition is
> (almost) unique. The different amount of tuples to process clearly
> occurs when they are not.

I'm having trouble interpreting this. If it's important, please
clarify and show an example.

--
Robert Haas
EDB: http://www.enterprisedb.com

pgsql-hackers by date:

Previous
From: Jeff Davis
Date:
Subject: Re: C11: should we use char32_t for unicode code points?
Next
From: "Jonathan Gonzalez V."
Date:
Subject: Make PGOAUTHCAFILE in libpq-oauth work out of debug mode