On Wed, 2013-12-11 at 11:07 -0500, Tom Lane wrote:
> We should have learned by now that those are usually a bad idea.
> In this case, we've got changes in the behavior of function calling,
> which seems like not only a nightmare for debugging but a fertile
> source of security issues.
I note that this is the same mechanism that we have elaborately designed
for *avoiding* security issues from search_path.