On Thu, Apr 09, 2020 at 12:31:55PM +0530, Amit Kapila wrote:
> Sure, we can change that, but isn't the existing example of similar
> message "cannot specify both PARSER and COPY options"  occurs when
> both the options have valid values?  If so, we can use a similar
> principle here, no?

A better comparison is with this one:

src/bin/pg_dump/pg_restore.c:           pg_log_error("cannot specify both 
--single-transaction and multiple jobs");

but it doesn't say just: "..specify both --single and --jobs", which would be
wrong in the same way, and which we already dealt with some time ago:

commit 14a4f6f3748df4ff63bb2d2d01146b2b98df20ef
Author: Alvaro Herrera <alvhe...@alvh.no-ip.org>
Date:   Tue Apr 14 00:06:35 2009 +0000

    pg_restore -jN does not equate "multiple jobs", so partly revert the
    previous patch.
    
    Per note from Tom.

-- 
Justin


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