On 10/17/19 4:31 PM, Олег Самойлов wrote:
> Hi all.
>
> According to documentation the words "VOLATILE, STABLE, IMMUTABLE" is somehow useful with trigger functions, for
instancementioned that the AFTER INSERT trigger should be VOLATILE. The question is how this words affect a for each
rowbefore insert trigger? Can be some optimisation here?
>
>
https://www.postgresql.org/docs/11/xfunc-volatility.html
--
Adrian Klaver
adrian.klaver@aklaver.com