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help / color / mirror / Atom feedFrom: Ron Johnson <[email protected]>
To: Pgsql-admin <[email protected]>
Subject: Re: pgping?
Date: Sat, 13 Dec 2025 17:27:00 -0500
Message-ID: <CANzqJaC=qfACMk4Us4CcP1ryjLWk2YQzLcRrRh34FRG6OVUWpA@mail.gmail.com> (raw)
In-Reply-To: <CAKFQuwY9iMKOhnf+3Xy+18CmEEKpjNen9F8PE0gjgqPcyd=OuQ@mail.gmail.com>
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On Sat, Dec 13, 2025 at 1:19 PM David G. Johnston <
[email protected]> wrote:
> On Saturday, December 13, 2025, Ron Johnson <[email protected]>
> wrote:
>>
>> pg_isready is "ncat -zv $host 5432" for systems which don't have ncat
>> installed.
>>
>
> Pretty sure this is also an incorrect, or at least incomplete statement.
> pg_isready uses the PostgreSQL wire protocol to make a better
> determination as to readiness than ncat does. People are just complaining
> that it doesn’t go further than it does. They see “user” and “database”
> and misinterpret why those options exist.
>
We've had this discussion before: people see the --dbname and --username
options, then quite reasonably think "ah, those options must mean you can
test whether a specific database and/or role can connect; otherwise, why
the heck would you put them in the --help output?"
Bottom line: the purpose of --dbname is to specify a database name; the
purpose of --username is to specify a username. Having them in the --help
output *misleads the user*.
--
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!
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