From: Tom Lane <tgl@sss.pgh.pa.us>
To: "David G. Johnston" <david.g.johnston@gmail.com>
cc: Stephen Frost <sfrost@snowman.net>,
        =?UTF-8?Q?Thorsten_Sch=C3=B6ning?= <tschoening@am-soft.de>,
        "pgsql-admin@postgresql.org" <pgsql-admin@postgresql.org>
Subject: Re: upgrade path from PG 8.3 to PG 9.5
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Comments: In-reply-to "David G. Johnston" <david.g.johnston@gmail.com>
	message dated "Tue, 21 Mar 2017 09:47:11 -0700"
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Date: Tue, 21 Mar 2017 23:12:48 -0400
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"David G. Johnston" <david.g.johnston@gmail.com> writes:
> On Tue, Mar 21, 2017 at 9:40 AM, Stephen Frost <sfrost@snowman.net> wrote:
>> Yes.  Using the older pg_dump may result in dumps that can't be restored
>> into the newer version of PG because things like keywords have been
>> added and must now be quoted.  There are possibly other things that have
>> been changed between the old version and the new one which would also
>> require the new pg_dump to be used, but keywords are the big one.

> The proper solution to the keyword/identifier quoting problem is to use
> "--quote-all-identifiers"​.

... which didn't exist before 9.1 ...

			regards, tom lane


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