Re: Adding a concept of TEMPORARY TABLESPACE for the use intemp_tablespaces

On Thu, Mar 14, 2019 at 12:53:02AM -0700, Mitar wrote:
> Hi!
> 
> On Fri, Jan 25, 2019 at 2:32 PM Bruce Momjian <bruce@momjian.us> wrote:
> > I wrote a blog entry about this:
> >
> >         https://momjian.us/main/blogs/pgblog/2017.html#June_2_2017
> >
> > This is certainly an area we can improve, but it would require changes
> > in several parts of the system to handle cases where the tablespace
> > disappears.
> 
> Yes, I read the discussion thread you point at the end of your blog
> post. [1] This is why I posted an e-mail to the mailing list because
> some statements from that thread do not hold anymore. For example, in
> the thread it is stated:
> 
> "Just pointing the tablespace to non'restart'safe storage will get you
> an installation that fails to boot after a restart, since there's a
> tree structure that is expected to survive, and when it's not found,
> postgres just fails to boot."
> 
> This does not seem to be true (anymore?) based on my testing. You get
> noise in logs, but installation boots without a problem.
> 
> So maybe we are closer to this than we realize?

Interesting.  What happens when you references objects that were in the
tablespace?  What would we want to happen?

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +