On Wed, Apr 19, 2017 at 11:19 AM, Andrew Gierth <and...@tao11.riddles.org.uk
> wrote:

> >>>>> "Pavan" == Pavan Deolasee <pavan.deola...@gmail.com> writes:
>  Pavan> I am attaching a patch that throws a similar ERROR during
>  Pavan> planning even for 9.5. AFAICS in presence of grouping sets, we
>  Pavan> always decide to use sort-based implementation for grouping, but
>  Pavan> do not check if the columns support ordering or not.
> Hmmm. This is obviously my fault somewhere... the patch looks good, I'll
> deal with it shortly.

JFR this got fixed via 7be3678a8cfb55dcfca90fa586485f835ab912a5


 Pavan Deolasee                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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