2017-01-05 10:59 GMT+01:00 Fabien COELHO <fabien.coe...@mines-paristech.fr>:

>
> 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.


https://www.postgresql.org/docs/current/static/runtime-config-custom.html

Pavel


>
>
> --
> Fabien.
>

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