| From: | Japin Li <japinli(at)hotmail(dot)com> |
|---|---|
| To: | Junwang Zhao <zhjwpku(at)gmail(dot)com> |
| Cc: | "Andrey M(dot) Borodin" <x4mmm(at)yandex-team(dot)ru>, 邱宇航 <iamqyh(at)gmail(dot)com>, Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, Andrey Borodin <amborodin86(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Nikolay Samokhvalov <samokhvalov(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Transaction timeout |
| Date: | 2023-12-23 00:32:26 |
| Message-ID: | ME3P282MB3166AB8DF0381F27C077AF70B69BA@ME3P282MB3166.AUSP282.PROD.OUTLOOK.COM |
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| Lists: | pgsql-hackers |
On Fri, 22 Dec 2023 at 23:30, Junwang Zhao <zhjwpku(at)gmail(dot)com> wrote:
> On Fri, Dec 22, 2023 at 10:44 PM Japin Li <japinli(at)hotmail(dot)com> wrote:
>>
>>
>> On Fri, 22 Dec 2023 at 22:37, Junwang Zhao <zhjwpku(at)gmail(dot)com> wrote:
>> > On Fri, Dec 22, 2023 at 10:25 PM Japin Li <japinli(at)hotmail(dot)com> wrote:
>> >> I try to set idle_in_transaction_session_timeout after begin transaction,
>> >> it changes immediately, so I think transaction_timeout should also be take
>> >> immediately.
>> >
>> > Ah, right, idle_in_transaction_session_timeout is set after the set
>> > command finishes and before the backend send *ready for query*
>> > to the client, so the value of the GUC is already set before
>> > next command.
>> >
>>
>> I mean, is it possible to set transaction_timeout before next comand?
>>
> Yeah, it's possible, set transaction_timeout in the when it first
> goes into *idle in transaction* mode, see the attached files.
>
Thanks for updating the patch, LGTM.
--
Regrads,
Japin Li
ChengDu WenWu Information Technology Co., Ltd.
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