Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1px6cx-0003Db-DX for pgsql-admin@arkaria.postgresql.org; Thu, 11 May 2023 13:46:39 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1px6cw-0001Lj-41 for pgsql-admin@arkaria.postgresql.org; Thu, 11 May 2023 13:46:38 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1px6cv-0001La-Pz for pgsql-admin@lists.postgresql.org; Thu, 11 May 2023 13:46:37 +0000 Received: from mout-u-204.mailbox.org ([80.241.59.204]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1px6ct-001z1k-8O for pgsql-admin@postgresql.org; Thu, 11 May 2023 13:46:37 +0000 Received: from smtp2.mailbox.org (smtp2.mailbox.org [10.196.197.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-u-204.mailbox.org (Postfix) with ESMTPS id 4QHCqD3TNbz9sgZ; Thu, 11 May 2023 15:46:32 +0200 (CEST) Date: Thu, 11 May 2023 15:46:31 +0200 (CEST) From: Erik Wienhold To: kaido vaikla , pgsql-admin@postgresql.org Message-ID: <472115375.225506.1683812791906@office.mailbox.org> In-Reply-To: References: Subject: Re: pg_stat_activity query_id MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Priority: 3 Importance: Normal List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk > On 11/05/2023 11:11 CEST kaido vaikla wrote: > > Question, when or why=C2=A0query_id in=C2=A0pg_stat_activity is not prese= nt > > > postgres=3D# select version(); > version > -------------------------------------------------------------------------= -------------------------------- > =C2=A0PostgreSQL 15.1 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5= 20150623 (Red Hat 4.8.5-44), 64-bit > (1 row) > > postgres=3D# select user; > user > ---------- > =C2=A0postgres > (1 row) > > postgres=3D# show compute_query_id; > =C2=A0compute_query_id > ------------------ > =C2=A0on > (1 row) > > postgres=3D# select application_name, query_id from pg_stat_activity orde= r by 1; > application_name | query_id > ------------------------+--------------------- > | > | > | > | > | > =C2=A0barman_receive_wal | > =C2=A0IntelliJ IDEA 2023.1.1 | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0PostgreSQL JDBC Driver | > =C2=A0psql | 3408001232671049700 > (61 rows) The reason could be any of the following: * no query executed yet * compute_query_id=3Doff * compute_query_id=3Dauto and pg_stat_statements (or any other module that calculates query_id) is not loaded -- Erik