From: | Andreas Joseph Krogh <andreas(at)visena(dot)com> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: ERROR: ORDER/GROUP BY expression not found in targetlist |
Date: | 2016-06-17 06:19:05 |
Message-ID: | VisenaEmail.17.4c87d78e0f2cbd4.1555d024a90@tc7-visena |
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På fredag 17. juni 2016 kl. 08:14:39, skrev Amit Kapila <amit(dot)kapila16(at)gmail(dot)com
<mailto:amit(dot)kapila16(at)gmail(dot)com>>:
On Fri, Jun 17, 2016 at 11:39 AM, Andreas Joseph Krogh <andreas(at)visena(dot)com
<mailto:andreas(at)visena(dot)com>> wrote: På torsdag 16. juni 2016 kl. 20:19:44,
skrev Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us <mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us>>:
Amit Kapila <amit(dot)kapila(at)enterprisedb(dot)com <mailto:amit(dot)kapila(at)enterprisedb(dot)com>
> writes:
> On Mon, Jun 13, 2016 at 10:36 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us
<mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us>> wrote:
>> min_parallel_relation_size, or min_parallelizable_relation_size, or
>> something like that?
> You are right that such a variable will make it simpler to write tests for
> parallel query. I have implemented such a guc and choose to keep the name
> as min_parallel_relation_size.
Pushed with minor adjustments. My first experiments with this say that
we should have done this long ago:
https://www.postgresql.org/message-id/22782.1466100870@sss.pgh.pa.us
<https://www.postgresql.org/message-id/22782.1466100870@sss.pgh.pa.us>
> One thing to note is that in function
> create_plain_partial_paths(), curently it is using PG_INT32_MAX/3 for
> parallel_threshold to check for overflow, I have changed it to INT_MAX/3 so
> as to be consistent with guc.c. I am not sure if it is advisable to use
> PG_INT32_MAX in guc.c as other similar parameters use INT_MAX.
I agree that using INT_MAX is more consistent with the code elsewhere in
guc.c, and more correct given that we declare the variable in question
as int not int32. But you need to include <limits.h> to use INT_MAX ...
regards, tom lane
As of 4c56f3269a84a81461cc53941e0eee02fc920ab6 I'm still getting it in one of
my queries:
ORDER/GROUP BY expression not found in targetlist
I am working on preparing a patch to fix this issue.
Am I missing something?
No, the fix is still not committed.
Ah, I thought Tom pushed a fix, but it apparently was another fix.
Thanks for fixing.
-- Andreas Joseph Krogh
CTO / Partner - Visena AS
Mobile: +47 909 56 963
andreas(at)visena(dot)com <mailto:andreas(at)visena(dot)com>
www.visena.com <https://www.visena.com>
<https://www.visena.com>
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