Re: proposal: session server side variables

2016-12-28 15:00 GMT+01:00 Craig Ringer <craig(at)2ndquadrant(dot)com>:

> On 28 December 2016 at 21:19, Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> wrote:
>
> > Also, I'm not yet convinced that simple privatizable transcient/session
> > variables would not be enough to fit the use case, so that for the same
> > price there would be session variables for all, not only special ones
> with
> > permissions.
>
> Since, unlike Oracle, we don't have compiled packages or plan-caching
> above the session level, there's not the same hard requirement for the
> variable definition to be persistent.
>
> So... maybe? The main question then becomes how you integrate access
> control.
>

For security the variable should be persistent.

If you would to do statical analyse (what you usually would), then variable
should be persistent.

Currently the big issue of plpgsql_check is work with temporary tables.
Local objects or dynamic sql is stop for static check.

Regards

Pavel

>
> --
> Craig Ringer http://www.2ndQuadrant.com/
> PostgreSQL Development, 24x7 Support, Training & Services
>