Even memcpy would be more that fast enough, though. This just seemed like a weird test to me since instead of testing "which [database] can convert a set of coordinates into H3 identifiers the fastest", it seems more like a test of which database can change its schema eagerly the fastest. Not saying that this is not a useful thing to have, but when you can already import data in the correct format, it seems like waste of effort for the thing allegedly being tested. (It's possible that I missed some detail, of course.)