Re: pgbench - allow to store select results into variables

On Wed, Jul 13, 2016 at 4:02 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:

> Robert Haas <robertmhaas@gmail.com> writes:
> > On Sat, Jul 9, 2016 at 7:52 AM, Fabien COELHO <coelho@cri.ensmp.fr>
> wrote:
> >> If someone thinks that "gset" is a good idea for pgbench, which I
> don't, it
> >> could be implemented. I think that an "into" feature, like PL/pgSQL &
> ECPG,
> >> makes more sense for scripting.
>
> > I agree: I like \into.
>
> > But:
>
> >> SELECT 1, 2 \; SELECT 3;
> >> \into one two three
>
> > I think that's pretty weird.
>
> Yeah, that's seriously nasty action-at-a-distance in my view.  I'd be okay
> with
>
> SELECT 1, 2 \into one two
> SELECT 3 \into three
>
> but I do not think that a metacommand on a following line should
> retroactively affect the execution of a prior command, much less commands
> before the last one.


You need a test and a definition for:

​SELECT 1, 2;
SELECT 3;
\into x, y, z

It should fail - "too many variables" - right?

David J.
​