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From: Tom Lane <tgl@sss.pgh.pa.us>
To: pavna <daryani.bhawna@gmail.com>
cc: pgsql-admin@postgresql.org
Subject: Re: pg_restore error Command was: CREATE OPERATOR ~> ( PROCEDURE =
 plv8x.json_eval_ls,
In-reply-to: <1530850361998-0.post@n3.nabble.com>
References: <1530850361998-0.post@n3.nabble.com>
Comments: In-reply-to pavna <daryani.bhawna@gmail.com>
	message dated "Thu, 05 Jul 2018 21:12:41 -0700"
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Date: Fri, 06 Jul 2018 12:20:11 -0400
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pavna <daryani.bhawna@gmail.com> writes:
> When I pg_restore I get  errors. 

> pg_restore: [archiver (db)] could not execute query: ERROR:  argument of
> commutator must be a name
>     Command was: CREATE OPERATOR |> (
>     PROCEDURE = plv8x.json_eval,
>     LEFTARG = plv8x.json,
>     RIGHTARG = text,
>     COMMUTATOR = 27561
> ...

Seems like there's something broken in your source database, ie that
operator has a commutator link that didn't point to an existing operator.
Hard to say any more than that with no more information.

			regards, tom lane