On 2019-Mar-29, Robert Haas wrote:

> On Fri, Mar 29, 2019 at 2:16 PM Alvaro Herrera <alvhe...@2ndquadrant.com> 
> wrote:
> > I think we should consider a new column of an array type, where we could
> > put things like the list of PIDs to be waited for, the list of OIDs of
> > index to rebuild, or the list of partitions to build the index on.
> 
> This has to work with a fixed-size chunk of shared memory.

Bah, of course.

Maybe we can consider using dynamic shmem for that, and include a
pointer to it in the fixed-size chunk.  (It's a bit too late to be
writing this code, mind; I'm just proposing this for a future
improvement.)

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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