On 13 June 2016 at 15:39, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> What is going on here?
...
>
> postgres=# set max_parallel_workers_per_gather = 2;
> SET
> postgres=# explain select length(data) from logs group by length(data);
> ERROR: ORDER/GROUP BY expression not found in targetlist
Seems like this was caused by 04ae11f62e643e07c411c4935ea6af46cb112aa9
I missed the discussion on this commit, so I'll go look for that now.
--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services