David G Johnston <david.g.johnston@gmail.com> writes:
> The question is whether we explain the implications of not being WAL-logged
> in an error message or simply state the fact and let the documentation
> explain the hazards - basically just output:
> "hash indexes are not WAL-logged and their use is discouraged"
+1. The warning message is not the place to be trying to explain all the
details.
regards, tom lane