Michael Paquier <michael(dot)paquier(at)gmail(dot)com> writes:
> There is as well another way: finally support WAL-logging for hash indexes.
Sure, but that's a bit easier said than done. I think Robert looked into
that a year or two back and found some stumbling blocks that it wasn't
obvious how to surmount. I do hope it will happen eventually, but we
should assume that it's a long-term answer not a short-term one.
regards, tom lane