Re: set parameter for all existing session

From: alex lock <alock303(at)gmail(dot)com>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: set parameter for all existing session
Date: 2019-06-12 08:30:19
Message-ID: CALi0+BpHUo_TCwTfApiar2MmDujBRCLG9t0chWs8BFxpcsCyvg@mail.gmail.com
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On Wed, Jun 12, 2019 at 4:25 PM Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
wrote:

> Hi
>
> st 12. 6. 2019 v 9:58 odesílatel alex lock <alock303(at)gmail(dot)com> napsal:
>
>> I check the “alter database, alter role " and "set " command, but none of
>> them can set the parameters to all the existing sessions. do we have a
>> way to do that? looks the "assign_hook" can be used to customize this, is
>> it a right way to do that?
>>
>>
> Maybe you miss to call pg_reload_conf();
>
> example:
>
> alter system set work_mem to '10MB';
> select pg_reload_conf();
>

Thanks, it works!

>
> in other session you can:
>
> show work_mem;
>
> Regards
>
> Pavel
>

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