On Mon, Jun 27, 2016 at 2:27 PM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> Do we have any way of helping people find out if they need to recreate
> their hash indexes?
No, but I don't think that it's especially needed. It ought to be
completely obvious when the problem arises, because the resulting
index is total garbage.
This tells us a lot about how many people use hash indexes in
production, of course. 9.5 has been out for months.
--
Peter Geoghegan