On 27/08/2018 12:16, Vlad Khorsun wrote:
>
>   Whole execution tree, starting from top-level request, will be
> executed again
> within new snapshot. So, yes, that UDF\UDR will be also executed
> again, unless
> control flow changed its path because of new data visible within new
> snapshot.
>
Then we do not have a feature. We do have a very big bug!

That can't happens. Functions called in PSQL statement could have side
effects outside the database.

Statement consistency should be about individual SQL (SELECT / UPDATE /
INSERT / MERGE / UPDATE OR INSERT) statements, not requests.


Adriano


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