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

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
Cc: Julien Rouhaud <rjuju123(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Nitin Jadhav <nitinjadhavpostgres(at)gmail(dot)com>, Hannu Krosing <hannuk(at)google(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, torikoshia <torikoshia(at)oss(dot)nttdata(dot)com>, Atsushi Torikoshi <atorik(at)gmail(dot)com>, Tatsuro Yamada <tatsuro(dot)yamada(dot)tf(at)nttcom(dot)co(dot)jp>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Evgeny Efimkin <efimkin(at)yandex-team(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Feature improvement: can we add queryId for pg_catalog.pg_stat_activity view?
Date: 2021-04-20 16:22:44
Message-ID: 20210420162244.GD30205@momjian.us
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On Wed, Apr 14, 2021 at 02:33:26PM -0400, Bruce Momjian wrote:
> On Tue, Apr 13, 2021 at 01:30:16PM -0400, Álvaro Herrera wrote:
> > On 2021-Apr-12, Bruce Momjian wrote:
> >
> > > OK, the attached patch renames pg_stat_activity.queryid to 'query_id'. I
> > > have not changed any of the APIs which existed before this feature was
> > > added, and are called "queryid" or "queryId" --- it is kind of a mess.
> > > I assume I should leave those unchanged. It will also need a catversion
> > > bump.
> >
> > I think it is fine actually. These names appear in structs Query and
> > PlannedStmt, and every single member of those already uses camelCase
> > naming. Changing those to use "query_id" would look out of place.
> > You did change the one in PgBackendStatus to st_query_id, which also
> > matches the naming style in that struct, so that looks fine also.
> >
> > So I'm -1 on Julien's first proposed change, and +1 on his second
> > proposed change (the name of the first argument of
> > pgstat_report_query_id should be query_id).
>
> Thanks for your analysis. Updated patch attached with the change
> suggested above.

Patch applied.

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com

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