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Since -c plus -C requests dropping and recreating the target database as a whole, not dropping individual objects in it, we should assume that the public schema already exists and need not be created. The previous coding considered only the state of the -c option, so it would emit "CREATE SCHEMA public" anyway, leading to an unexpected error in restore. Back-patch to 9.2. Older versions did not accept -c with -C so the issue doesn't arise there. (The logic being patched here dates to 8.0, cf commit 2193121fa, so it's not really wrong that it didn't consider the case at the time.) Note that versions before 9.6 will still attempt to emit REVOKE/GRANT on the public schema; but that happens without -c/-C too, and doesn't seem to be the focus of this complaint. I considered extending this stanza to also skip the public schema's ACL, but that would be a misfeature, as it'd break cases where users intentionally changed that ACL. The real fix for this aspect is Stephen Frost's work to not dump built-in ACLs, and that's not going to get back-ported. Per bugs #13804 and #14271. Solution found by David Johnston and later rediscovered by me. Report: <20151207163520.2628.95990@wrigleys.postgresql.org> Report: <20160801021955.1430.47434@wrigleys.postgresql.org>
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: http://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.