Re: BUG #16308: pg_restore: [archiver (db)] could not execute query: ERROR: unrecognized configuration parameter "i

Daniel Gustafsson <daniel(at)yesql(dot)se> writes:
> On 18 Mar 2020, at 13:12, PG Bug reporting form <noreply(at)postgresql(dot)org> wrote:
>> pg_restore: [archiver (db)] Error while PROCESSING TOC:
>> pg_restore: [archiver (db)] Error from TOC entry 3796; 0 0 SEARCHPATH
>> SEARCHPATH
>> pg_restore: [archiver (db)] could not execute query: ERROR: unrecognized
>> configuration parameter "idle_in_transaction_session_timeout"
>> Command was: SET idle_in_transaction_session_timeout = 0;

> idle_in_transaction_session_timeout only exist starting with 9.6, so it sounds
> like you are restoring a dump made by a newer version of pg_dump. You should
> be using the version of pg_dump which match the server version you are
> restoring into.

Or, if that's the only error you get, you could just ignore it.
It's harmless enough, as long as you don't insist on a single-transaction
restore. (If you do need that, dump pg_restore's output into a file
and remove the offending SET.)

> On that note, it seems that the 9.4 and 9.5 release notes reference the GUC in
> question, even though the commit message correctly states the GUC is only in
> 9.6 and newer. To avoid confusion, I suggest that we remove the reference in
> the back-branches as per the attached.

My bad, I'll see about fixing that (in 9.5; it's too late for 9.4).

regards, tom lane