Re: Debian : No echo after pg_dump | psql

From: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
To: Moreno Andreo <moreno(dot)andreo(at)evolu-s(dot)it>
Cc: PostgreSQL mailing lists <pgsql-general(at)postgresql(dot)org>
Subject: Re: Debian : No echo after pg_dump | psql
Date: 2018-11-30 04:08:47
Message-ID: 87ftvjmd8m.fsf@news-spur.riddles.org.uk
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>>>>> "Moreno" == Moreno Andreo <moreno(dot)andreo(at)evolu-s(dot)it> writes:

Moreno> The command I'm using is
Moreno> root(at)xxxxx:~# pg_dump -v -C -h <remote host> -p 6543 -U postgres
Moreno> <dbname> | psql -h localhost -p 6543 -U postgres <dbname>
Moreno> It presents a double password prompt after I run it:
Moreno> Password: Password for user postgres:

This is going to prompt once for the remote host's password and twice
for the local one (because -C), and the concurrently-running commands
are going to be fighting over access to the terminal to do it. Best
avoided by using pgpass or non-password-based auth methods.

More seriously, you're misunderstanding how -C works. When you use -C,
the database you specify to psql (or pg_restore) is NOT the database
you're restoring into - the restored db will ALWAYS have the same name
as it had when dumped (if that's not what you want then don't use -C).
Instead, the database you specify to psql or pg_restore is the database
to connect to to issue the CREATE DATABASE command, which should usually
be 'postgres'. That explains this bit:

Moreno> If I create database (just database, not schema) on target
Moreno> machine, I receive the error "database xxxx already exists" but
Moreno> the dump goes on If I don't create it, I receive the error
Moreno> "database xxxx does not exist" and processing aborts.

--
Andrew (irc:RhodiumToad)

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