On Wed, Oct 21, 2015 at 1:31 PM, Jeff Janes <jeff.janes@gmail.com> wrote:
> It turns out it was pretty easy to set PD_ALL_VISIBLE on the new pages,
> since the code in hio that requests the relation to be extended already has
> info on the tuple's intended freeze status.
>
> Then you just need to refrain from clearing PD_ALL_VISIBLE when that tuple
> is actually written into the page. Not only because clearing would defeat
> the purpose, but also because it will cause an error--apparently the
> incipient page is not yet in a state where visibilitymap_clear is willing to
> deal with it.
Wouldn't it be better to instead fill the page with tuples first and
THEN set PD_ALL_VISIBLE?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
