On Wed, Oct 13, 2021 at 12:15 PM Peter Geoghegan <pg@bowt.ie> wrote:
> Are you sure? I know that nbtree index tuples for a single-column int8
> index are exactly the same size as those from a single column int4
> index, due to alignment overhead at the tuple level. So my guess is
> that hash index tuples (which use the same basic IndexTuple
> representation) work in the same way.
I'm assuming a 64-bit architecture here, by the way. That assumption
shouldn't matter, since of course approximately 100% of all computers
that run Postgres are 64-bit these days.
--
Peter Geoghegan
