Re: BUG #15726: parallel queries failed ERROR: invalid name syntax CONTEXT: parallel worker

 Thank you guys. I fixed the parameter and it worked.
A pity background worker are no more verbose (DEBUG5) than:
2019-04-02 09:42:38.993 GMT [17654] ERROR:  invalid name syntax

About TracingI used strace and grep background woker pid. But I didn't get that trace, which tool did you use ?

    Le mardi 2 avril 2019 à 02:41:40 UTC+2, Peter Geoghegan <pg@bowt.ie> a écrit :  
 
 >On Mon, Apr 1, 2019 at 5:33 PM Thomas Munro <thomas.munro@gmail.com> wrote:
>> Erm -- obviously that BEGIN was unnecessary and you see the error
>> without it.  Anyway, the point I was making is that you don't get an
>> error if you set it in postgresql.conf, but you do if you set it in
>> other contexts, including the parallel worker startup sequence.  I

>> wondered if this might have been a consequence of the parallel startup>> reordering that happened with commit 6c3c9d41, but nope --
>> RestoreGUCState() was always run inside a transaction.

>I wonder if this known issue is relevant here:

>https://www.postgresql.org/message-id/20153.1523471686%40sss.pgh.pa.us

>-- 
>Peter Geoghegan