Re: [Proposal] Global temporary tables

Prabhat Sahu <prabhat.sahu@enterprisedb.com>

From: Prabhat Sahu <prabhat.sahu@enterprisedb.com>
To: 曾文旌 <wenjing.zwj@alibaba-inc.com>
Cc: Pavel Stehule <pavel.stehule@gmail.com>, tushar <tushar.ahuja@enterprisedb.com>, Robert Haas <robertmhaas@gmail.com>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, Konstantin Knizhnik <k.knizhnik@postgrespro.ru>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>, 蔡松露(子嘉) <zijia@taobao.com>, "Cai, Le" <le.cai@alibaba-inc.com>
Date: 2020-06-09T12:15:34Z
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.

On Wed, Apr 29, 2020 at 8:52 AM 曾文旌 <wenjing.zwj@alibaba-inc.com> wrote:

> 2020年4月27日 下午9:48,Prabhat Sahu <prabhat.sahu@enterprisedb.com> 写道:
>
> Thanks Wenjing, for the fix patch for previous issues.
> I have verified the issues, now those fix look good to me.
> But the below error message is confusing(for gtt2).
>
> postgres=# drop table gtt1;
> ERROR:  cannot drop global temp table gtt1 when other backend attached it.
>
> postgres=# drop table gtt2;
> ERROR:  cannot drop index idx2 on global temp table gtt2 when other
> backend attached it.
>
> I feel the above error message shown for "DROP TABLE gtt2;" is a bit
> confusing(looks similar to DROP INDEX gtt2;).
> If possible, can we keep the error message simple as "ERROR:  cannot drop
> global temp table gtt2 when other backend attached it."?
> I mean, without giving extra information for the index attached to that
> GTT.
>
> Fixed the error message to make the expression more accurate. In v33.
>

Thanks Wenjing. We verified your latest patch(gtt_v33) focusing on all
reported issues and they work fine.
Thanks.
-- 

With Regards,
Prabhat Kumar Sahu
EnterpriseDB: http://www.enterprisedb.com