From: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
---|---|
To: | Stephen Frost <sfrost(at)snowman(dot)net> |
Cc: | Sachin Kotwal <kotsachin(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Robins Tharakan <tharakan(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Allow pg_dumpall to work without pg_authid |
Date: | 2017-03-22 03:39:32 |
Message-ID: | CAMsr+YEO4us92eWdCWVWCK2JpwMPWL2uJxXC6DHOK_6ZMXVNsQ@mail.gmail.com |
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On 15 March 2017 at 21:56, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
> Greetings,
>
> * Sachin Kotwal (kotsachin(at)gmail(dot)com) wrote:
>> Thanks. I understand this is small but new feature and not bug fix.
>> But we should be able to backpatch if there is no dependency.
>
> No, it's a new feature and won't be back-patched.
>
>> It will help users to get benefit of this feature for g96 and pg95 in RDS
>> until they will have pg10 in RDS.
>
> There is no need to wait for pg10 to be in RDS to use PG10's pg_dumpall
> against RDS databases. pg_dump and pg_dumpall are very intentionally
> designed and intended to work against older versions of PG, so as soon
> as PG10 is released you'll be able to run PG10's pg_dumpall against your
> 9.6 or 9.5 RDS databases.
However, there's no guarantee that 9.5 or 9.6 will be able to
_restore_ dumps made with Pg10's pg_dumpall and pg_dump.
We don't have any output-compatibility in pg_dump to limit it to
features from some $older_release .
But ... you can always backpatch it yourself into older Pg and build
your own pg_dump and pg_dumpall.
--
Craig Ringer http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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