Re: BUG #16486: Prompted password is ignored when password specified in connection string

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От Oleksandr Shulgin
Тема Re: BUG #16486: Prompted password is ignored when password specified in connection string
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Msg-id CACACo5RDv3ahJ_whCmMRRqc6Y6C5XVStJ-kC5JJgiZ5KM7TRFA@mail.gmail.com
обсуждение исходный текст
Ответ на Re: BUG #16486: Prompted password is ignored when password specified in connection string  (Bruce Momjian <bruce@momjian.us>)
Ответы Re: BUG #16486: Prompted password is ignored when password specified in connection string
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On Tue, Sep 1, 2020 at 10:38 PM Bruce Momjian <bruce@momjian.us> wrote:

I used a later version of Tom's patch to add documentation of how
connection strings can override command-line options, plus it has the
password description improvements.

I would like to apply this to all supported versions.

Not related to the proposed change, this sentence is the same before and after, but makes me wonder:

> However, <application>psql</application>
        will waste a connection attempt finding out that the server wants a
        password.  In some cases it is worth typing <option>-W</option> to avoid
        the extra connection attempt.

AFAIK, there is nothing in the protocol that forces psql to make an extra connection attempt.  If libpq provided a means to pass a password-prompt callback, no extra connection would be needed I think?

Regards,
--
Alex

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