Re: Cannot dump 8.4.8 database using later versions

I don't think we ever addressed this, but since we have had minimal
complaints about it, I guess we are OK.

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On Tue, Nov 15, 2011 at 10:04:57PM -0500, Tom Lane wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
> > On Tue, Nov 15, 2011 at 5:16 AM, Heikki Linnakangas
> > <heikki.linnakangas@enterprisedb.com> wrote:
> >> NEW used to be a reserved keyword, but it's not so in 9.0 anymore. So 9.0
> >> pg_dump thinks it doesn't need to be quoted.
>
> > Why isn't it correct?
>
> It's correct to not quote it in pg_dump's output (since we make no
> promises that such output would load into a pre-9.0 server anyway).
> The problem is that it needs to be quoted in commands that pg_dump
> sends back to the 8.4 server.  Example:
>
> psql (8.4.9)
> You are now connected to database "db84".
> db84=# create table "new"( f1 int, "new" text);
>
> ... pg_dump with newer pg_dump ...
>
> pg_dump: SQL command failed
> pg_dump: Error message from server: ERROR:  syntax error at or near "new"
> LINE 1: COPY public.new (f1, new) TO stdout;
>                              ^
> pg_dump: The command was: COPY public.new (f1, new) TO stdout;
>
> The least painful solution might be to always quote *every* identifier
> in commands sent to the source server, since we don't especially care
> how nice-looking those are.
>
>             regards, tom lane

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  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +