Andy Fan <zhihui.fan1...@gmail.com> writes: > We know volatile is very harmful for optimizers and it is the default > value (and safest value) if the user doesn't provide that. Asking user > to set the value is not a good experience, is it possible to auto-generate > the value for it rather than use the volatile directly for user defined > function. I > think it should be possible, we just need to scan the PlpgSQL_stmt to see > if there > is a volatile function?
Are you familiar with the halting problem? I don't see any meaningful difference here. regards, tom lane