Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> Tom Lane wrote:
>> I'm inclined to let it call heap_setscanlimits only if not allow_sync.
> It is possible for a partial range scan to join an existing herd of
> scans that happens to be processing that part of the table, in which
> case this wouldn't be sufficient. However, two considerations: 1) range
> scans, at least for BRIN, aren't normally large enough for synscans to
> matter all that much; and 2) it would require additional code. So I'm
> inclined to do it as you suggest, which is simplest.
I already did that, but feel free to whack it further if you're so
inclined.
regards, tom lane