Adrian Klaver <adrian.klaver@xxxxxxxxxxx> writes: > On 8/20/19 6:18 AM, Erwin Moller wrote: >> Will installing Postgres 11 also work? (Not the Ubuntu18.04 default for >> Postgres, but doable). >> Or does those pg_dump versions also expect pg_opfamily to exist? > From the bug that introduced the issue: > https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=07b39083c > "Per bug #15934 from Tom Gottfried. Back-patch to all supported branches." > So I'm guessing it is in the most recent release of all current versions. Yeah, it's broken in all the August minor releases. Sorry about that :-( regards, tom lane