Re: proposal: session server side variables (fwd)

On Thu, Jan 5, 2017 at 11:45:24AM +0100, Fabien COELHO wrote:
>
> <Argh, wrong sender again, sorry [again] for the repost.
> I must tweak my mail client configuration...>
>
> >>>Good. So we seem to agree that GUCS are transactional?
> >
> >I'm surprised, I never knew this.
>
> I must admit that it was also a (good) surprise for me.
>
> The documentation says it:
>
> """
> If SET (or equivalently SET SESSION) is issued within a transaction that is
> later aborted, the effects of the SET command disappear when the transaction
> is rolled back. Once the surrounding transaction is committed, the effects
> will persist until the end of the session, unless overridden by another SET.
> """
>
> But I have not found anything clear about user-defined parameters.

Uh, I think it is a missing feature, i.e.:

https://wiki.postgresql.org/wiki/Todo#Administration
Have custom variables be transaction-safe

https://www.postgresql.org/message-id/4B577E9F.8000505@dunslane.net

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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