Re: 9.5 Create Function Set From Current taken at creation time?

On Tue, Aug 9, 2016 at 9:43 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> "David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> > Can we change the second sentence in the above quote to something like:​
>
> > SET FROM CURRENT is a convenience expression to capture the result of
> > current_setting('setting name') at the time of the function's creation.
> [if
> > more than just convenience an example of when this is useful would be
> nice].
>
> "Convenience" normally means that there's some other way to get the same
> result. I do not know of one, and I doubt we'd have introduced the
> feature if there was.
>

Fair enough...​so:

SET FROM CURRENT saves the
​[creating] ​
session's current value of the parameter as the value to be applied when
the function is entered.

​David J.
​