From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Michael Paquier <michael@paquier.xyz>
Cc: Justin Pryzby <pryzby@telsasoft.com>
Cc: Julien Rouhaud <rjuju123@gmail.com>
Cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: expose parallel leader in CSV and log_line_prefix
Date: Wed, 22 Jul 2020 11:36:05 -0400
Message-ID: <20200722153605.GA961@alvherre.pgsql> (raw)
In-Reply-To: <20200721043325.GC17300@paquier.xyz>
On 2020-Jul-21, Michael Paquier wrote:
> On Mon, Jul 20, 2020 at 11:12:31PM -0500, Justin Pryzby wrote:
> >> + Process ID of the parallel group leader if this process is involved
> >> + in parallel query, or null. For a parallel group leader, this field
> >> + is <literal>NULL</literal>.
> >> </para></entry>
> > | For a parallel worker, this is the Process ID of its leader process. Null
> > | for processes which are not parallel workers.
How about we combine both. "Process ID of the parallel group leader, if
this process is a parallel query worker. NULL if this process is a
parallel group leader or does not participate in parallel query".
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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To: pgsql-hackers@postgresql.org
Cc: alvherre@2ndquadrant.com, michael@paquier.xyz, pryzby@telsasoft.com, rjuju123@gmail.com, tomas.vondra@2ndquadrant.com
Subject: Re: expose parallel leader in CSV and log_line_prefix
In-Reply-To: <20200722153605.GA961@alvherre.pgsql>
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