On Sun, Nov 2, 2014 at 2:30 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> In the case of hash indexes, because we still have to have the hash > opclasses in core, there's no way that it could be pushed out as an > extension module even if we otherwise had full support for AMs as > extensions. So what I hear you proposing is "let's break this so > thoroughly that it *can't* be fixed". I'm not on board with that. > I think the WARNING will do just fine to discourage novices who are > not familiar with the state of the hash AM. In the meantime, we > could push forward with the idea of making hash indexes automatically > unlogged, so that recovering from a crash wouldn't be quite so messy/ > dangerous. > There is as well another way: finally support WAL-logging for hash indexes. -- Michael