On Wed, Nov 16, 2016 at 10:00 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> The changes in pg_backup_archiver.c would have to be back-patched
> into all versions supporting --if-exists, so that they don't fail
> on dump archives produced by patched versions.
Even if you patch future minor releases, past minor releases are still
going to exist out there in the wild for a long, long time.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company