Re: How about a proper TEMPORARY TABLESPACE?

On Wed, Jun 18, 2014 at 9:00 AM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
>
> > I have took some small time to make a PoC just to see if that is doable.
> > And so I did a new syntax like:
> >
> > CREATE TABLESPACE spcname [TEMP | TEMPORARY] LOCATION ...
> >
> > So, if TEMP or TEMPORARY is present, I mark a new column at
pg_tablespace
> > as true. On every table creation or moving to a new tablespace, I just
> > check this, and fails if the tablespace is "temporary" but the
> > "relpersistence" says the table is not.
>
> Not sure about that specific syntax (don't we have SET options now?) but
> I do like the general idea.
>

Maybe something like that:

CREATE TABLESPACE spcname LOCATION '/foo/bar' WITH (only_temp_relations =
true);

Have in mind you must take care if you use ALTER TABLESPACE spcname SET
(...) to guarantee that exists only temp objects stored in the target
tablespace, and if exists a regular object you must throw an exception.

Makes sense?

Regards,

--
Fabrízio de Royes Mello
Consultoria/Coaching PostgreSQL
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