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
