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From: Bruce Momjian <[email protected]>
To: Andy Fan <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Cc: [email protected]
Subject: Re: First draft of PG 17 release notes
Date: Mon, 13 May 2024 20:59:42 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

On Sat, May 11, 2024 at 01:27:25PM +0800, Andy Fan wrote:
> 
> Hello Bruce,
> 
> > I have committed the first draft of the PG 17 release notes;  you can
> > see the results here:
> >
> > 	https://momjian.us/pgsql_docs/release-17.html
> 
> Thank you for working on this!
> 
> > I welcome feedback.  For some reason it was an easier job than usual.
> 
> Do you think we need to add the following 2 items?
> 
> - 9f133763961e280d8ba692bcad0b061b861e9138 this is an optimizer
>   transform improvement.

It was unclear from the commit message exactly what user-visible
optimization this allowed.  Do you have details?

> - a8a968a8212ee3ef7f22795c834b33d871fac262 this is an optimizer costing
>   improvement.

Does this allow faster UNION ALL with LIMIT, perhaps?

-- 
  Bruce Momjian  <[email protected]>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Only you can decide what is important to you.






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