Re: Can I use Postgres rules to reset session variables before/after queries?

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От Christophe Pettus
Тема Re: Can I use Postgres rules to reset session variables before/after queries?
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Msg-id 8828B96C-3953-49B4-BE8D-5D6591F407F2@thebuild.com
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Ответ на Can I use Postgres rules to reset session variables before/after queries?  (Andrew Stuart <andrew@salesgrid.com.au>)
Ответы Re: Can I use Postgres rules to reset session variables before/after queries?  (Tom Lane <tgl@sss.pgh.pa.us>)
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> On Jan 24, 2021, at 21:00, Andrew Stuart <andrew@salesgrid.com.au> wrote:
> Can anyone suggest if session variables can be SET/RESET using Postgres rules, or optionally perhaps there is a
betterway to do so? 

PostgreSQL poolers generally use the RESET ALL command when reassigning a session to clear the session state:

    https://www.postgresql.org/docs/current/sql-reset.html

You probably want to do this rather than try to intercept every single operation in order to the reset at the end.

--
-- Christophe Pettus
   xof@thebuild.com




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