Hi Greg, > That's a signal to innovate, not remove code.
I agree with that and I would like to spend some time to modernize hash, I will start looking after the PG19 release and happy to review any of your hash changes. > Expression indexes prevent HOT updates, so maybe you could but at what > cost? Haven't really tested that, just some wild thinking, but I think hash index also have similar limitations. Thanks, Shihao
