Re: ERROR: ORDER/GROUP BY expression not found in targetlist

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila(at)enterprisedb(dot)com>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: ERROR: ORDER/GROUP BY expression not found in targetlist
Date: 2016-06-13 05:35:51
Message-ID: CAKJS1f9vi6V9Fh=sHkOxXuLkmY7V8nUdQe27ELwWwxXv9Z6g8Q@mail.gmail.com
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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

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