Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru> writes:
> For instance there are two flags - HASH_SEGMENT and HASH_FFACTOR that
> are in fact never used (see attachment). I wonder whether we should
> keep code like this or not.
> What do you think?
The fact that make check-world doesn't run any code that uses some
feature isn't a great argument for removing it. Consider third-party
extensions, for starters.
regards, tom lane