From: | David Rowley <dgrowleyml(at)gmail(dot)com> |
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To: | Bruce Momjian <bruce(at)momjian(dot)us> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: PG 14 release notes, first draft |
Date: | 2021-05-10 08:52:44 |
Message-ID: | CAApHDvq4MPqgBQ_0S=-RPK5+mCh+5WP-8gfPYHQBghGTnfu5mA@mail.gmail.com |
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Lists: | pgsql-hackers |
On Mon, 10 May 2021 at 18:03, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> I need clarification on many items, and the document still needs its
> items properly ordered, and markup added. I also expect a lot of
> feedback.
Thanks for drafting that up.
> Add executor method to cache results from the inner-side of joins (David Rowley)
I think it would be more accurate to say "inner-side of nested loop joins".
> Allow efficient retrieval of heap rows via tid (Edmund Horner, David Rowley)
I'd say we already had that feature with TID Scan. Maybe it would be
better to write:
"Allow efficient heap scanning on ranges of tids (Edmund Horner, David Rowley)"
> Improve the performance of parallel sequential scans (Thomas Munro, David Rowley)
I think it is worth mentioning "I/O" before "performance". This
change won't really help cases if all the table's pages are already in
shared buffers.
David
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