On Fri, 2013-04-26 at 16:46 -0700, David Fetter wrote:
> On Fri, Apr 26, 2013 at 07:49:47PM +0000, Tom Lane wrote:
> > Given this risk and the lack of field complaints about the issue, it
> > doesn't seem prudent to back-patch.
...
> This needs back-patching to 9.1, where the bug was introduced.
It was explained in the commit message why it was not backported.
Regards,Jeff Davis