Re: [Proposal] Global temporary tables

曾文旌 (义从) <wenjing.zwj@alibaba-inc.com>

From: 曾文旌 <wenjing.zwj@alibaba-inc.com>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Konstantin Knizhnik <k.knizhnik@postgrespro.ru>, "movead.li@highgo.ca" <movead.li@highgo.ca>, Prabhat Sahu <prabhat.sahu@enterprisedb.com>, tushar <tushar.ahuja@enterprisedb.com>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2020-11-23T09:27:20Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. PageAddItemExtended(): Add LP_UNUSED assertion.

  2. Remove temporary files after backend crash

  3. Fix comment in indexing.c

  4. Fix failure to ignore leftover temp tables after a server crash.


> 2020年11月21日 02:28,Pavel Stehule <pavel.stehule@gmail.com> 写道:
> 
> Hi
> 
> pá 11. 9. 2020 v 17:00 odesílatel 曾文旌 <wenjing.zwj@alibaba-inc.com <mailto:wenjing.zwj@alibaba-inc.com>> napsal:
> I have written the README for the GTT, which contains the GTT requirements and design.
> I found that compared to my first email a year ago, many GTT Limitations are now gone.
> Now, I'm adding comments to some of the necessary functions.
> 
> There are problems with patching. Please, can you rebase your patch?
Sure.
I'm still working on sort code and comments.
If you have any suggestions, please let me know.


Wenjing


> 
> Regards
> 
> Pavel
> 
> 
> 
> Wenjing
> 
> 
> 
> 
> 
> > 2020年7月31日 上午4:57,Robert Haas <robertmhaas@gmail.com <mailto:robertmhaas@gmail.com>> 写道:
> > 
> > On Thu, Jul 30, 2020 at 8:09 AM wenjing zeng <wjzeng2012@gmail.com <mailto:wjzeng2012@gmail.com>> wrote:
> >> Please continue to review the code.
> > 
> > This patch is pretty light on comments. Many of the new functions have
> > no header comments, for example. There are comments here and there in
> > the body of the new functions that are added, and in places where
> > existing code is changed there are comments here and there, but
> > overall it's not a whole lot. There's no documentation and no README,
> > either. Since this adds a new feature and a bunch of new SQL-callable
> > functions that interact with that feature, the feature itself should
> > be documented, along with its limitations and the new SQL-callable
> > functions that interact with it. I think there should be either a
> > lengthy comment in some suitable file, or maybe various comments in
> > various files, or else a README file, that clearly sets out the major
> > design principles behind the patch, and explaining also what that
> > means in terms of features and limitations. Without that, it's really
> > hard for anyone to jump into reviewing this code, and it will be hard
> > for people who have to maintain it in the future to understand it,
> > either. Or for users, for that matter.
> > 
> > -- 
> > Robert Haas
> > EnterpriseDB: http://www.enterprisedb.com <http://www.enterprisedb.com/>
> > The Enterprise PostgreSQL Company
>