Re: Introduce MIN/MAX aggregate functions to pg_lsn - Mailing list pgsql-hackers

From Fabrízio de Royes Mello
Subject Re: Introduce MIN/MAX aggregate functions to pg_lsn
Date
Msg-id CAFcNs+pvhjtU5HXscQ0YnJRXYxUZ62qK-k9WNU7BnsTmLneG7w@mail.gmail.com
Whole thread Raw
In response to Re: Introduce MIN/MAX aggregate functions to pg_lsn  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Introduce MIN/MAX aggregate functions to pg_lsn  (Michael Paquier <michael@paquier.xyz>)
List pgsql-hackers

On Thu, Jul 4, 2019 at 10:57 AM Robert Haas <robertmhaas@gmail.com> wrote:
>
> On Thu, Jul 4, 2019 at 4:17 AM Michael Paquier <michael@paquier.xyz> wrote:
> > Do you have a particular use-case in mind for max() one?  I can think
> > of at least one case: monitoring the flush LSNs of a set of standbys
> > to find out how much has been replayed at most.
>
> It would be pretty silly to have one and not the other, regardless of
> whether we can think of an immediate use case.
>

+1


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