On Thu, 7 Mar 2019 at 03:36, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> David Rowley <david.rowley@2ndquadrant.com> writes:
> > As far as I can see, the biggest fundamental difference with doing
> > things this way will be that the column order of partitions will be
> > preserved, where before it would inherit the order of the partitioned
> > table. I'm a little unsure if doing this column reordering was an
> > intended side-effect or not.
>
> Well, if the normal behavior results in changing the column order,
> it'd be necessary to do things differently in --binary-upgrade mode
> anyway, because there we *must* preserve column order. I don't know
> if what you're describing represents a separate bug for pg_upgrade runs,
> but it might. Is there any test case for the situation left behind by
> the core regression tests?
After having written the patch, I noticed that binary upgrade mode
does the CREATE TABLE then ATTACH PARTITION in order to preserve the
order.
After changing it nothing failed in make check-world with tap tests enabled.
--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
