On Mon, Feb 17, 2014 at 4:33 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> While it would be a reasonably simple change to make this work as
> originally intended, I'm strongly tempted to just rip it out instead,
> and only support the SQL-mandated syntax. If anyone was using this
> undocumented feature, you'd think they'd have complained sometime in
> the last ten years. And making it work would really entail adding
> documentation and a regression test case, so it'd be substantially
> more effort than just killing the "list_length == 1" case.
>
> regards, tom lane
For what it's worth, that seems reasonable to me as well. I would
never have found this if I weren't actually looking through gram.y
anyway.
--
Josh