Tatsuo Ishii <ishii(at)postgresql(dot)org> writes:
> The multi-byte regression tests (src/test/regress/mb) have been broken
> for sometime due to a warning message regarding hash index usage "hash
> indexes are not WAL-logged and their use is discouraged" (the messages
> are different from version to version).
> Attached is a patch to fix the problem for master branch and
> REL9_5_STABLE.
Isn't this simply a reversion of efc1610b64b04e7cf08cc1d6c608ede8b7d5ff07?
What led you to make that change in the first place?
regards, tom lane