Pg10 : Client Configuration for Parallelism ?

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Тема Pg10 : Client Configuration for Parallelism ?
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Msg-id 32277_1555482629_5CB6C805_32277_8_1_A971FB43DFBC3D4C859ACB3316C9FF4632D98B37@OPEXCAUBM42.corporate.adroot.infra.ftgroup
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Ответы Re: Pg10 : Client Configuration for Parallelism ?  (Andreas Kretschmer <andreas@a-kretschmer.de>)
Re: Pg10 : Client Configuration for Parallelism ?  (Thomas Kellerer <spam_eater@gmx.net>)
Sv: Pg10 : Client Configuration for Parallelism ?  (Andreas Joseph Krogh <andreas@visena.com>)
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Hi,

I am working on PostgreSQL 10.5 and I have a discrepancy between clients regarding parallelism feature.

For a simple query (say a simple SELECT COUNT(*) FROM BIG_TABLE), I can see PostgreSQL use parallelism when the query
islaunched from psql or PgAdmin4. However the same query launched with DBeaver (ie connected through JDBC) does not use
parallelism.
 

SELECT current_setting('max_parallel_workers_per_gather')  gives 10 from my session.

Is there a client configuration that prevents from using parallelism ?

Thanks.

Laurent


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