Horton

Re: Feature improvement: can we add queryId for pg_catalog.pg_stat_activity view?

Julien Rouhaud <rjuju123@gmail.com>

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From: Julien Rouhaud <rjuju123@gmail.com>
To: Fujii Masao <masao.fujii@oss.nttdata.com>
Cc: Bruce Momjian <bruce@momjian.us>, Alvaro Herrera <alvherre@alvh.no-ip.org>, Tom Lane <tgl@sss.pgh.pa.us>, Nitin Jadhav <nitinjadhavpostgres@gmail.com>, Hannu Krosing <hannuk@google.com>, Robert Haas <robertmhaas@gmail.com>, Pavel Stehule <pavel.stehule@gmail.com>, Michael Paquier <michael@paquier.xyz>, torikoshia <torikoshia@oss.nttdata.com>, Atsushi Torikoshi <atorik@gmail.com>, Tatsuro Yamada <tatsuro.yamada.tf@nttcom.co.jp>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, Evgeny Efimkin <efimkin@yandex-team.ru>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Magnus Hagander <magnus@hagander.net>
Date: 2021-04-22T09:23:18Z
Lists: pgsql-hackers

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On Thu, Apr 22, 2021 at 12:28:11AM +0900, Fujii Masao wrote:
> 
> I found another small issue in pg_stat_statements docs. The following
> description in the docs should be updated so that toplevel is included?
> 
> > This view contains one row for each distinct database ID, user ID and query ID

Indeed!  I'm adding Magnus in Cc.

PFA a patch to fix at, and also mention that toplevel will only
contain True values if pg_stat_statements.track is set to top.

Commits

  1. Clarify description of pg_stat_statements columns

  2. Fix wording in description of pg_stat_statements.toplevel

  3. Mention that toplevel is part of pg_stat_statements key.

  4. adjust query id feature to use pg_stat_activity.query_id

  5. Update copyright for 2021

  6. Take the statistics collector out of the loop for monitoring backends'