Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> Tom Lane wrote:
>> Well, maybe the right answer is to address that. It's clear to me
>> why that would happen if we store these things as reloptions on the
>> toast table, but can't they be stored on the parent table?
> Actually, Nikolay provided a possible solution: if you execute ALTER
> TABLE SET (toast.foobar = xyz), and a toast table doesn't exist, create
> one at that point.
That adds a lot of overhead if you never actually need the toast table.
Still, maybe it's an appropriate amount of effort compared to the size
of the use-case for this.
regards, tom lane