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The original coding here (which is, I believe, my fault) supposed that it didn't need to concern itself with the possibility that one object of a given type-priority has a namespace while another doesn't. But that's not reliably true anymore, if it ever was; and if it does happen then it's possible that DOTypeNameCompare returns self-inconsistent comparison results. That leads to unspecified behavior in qsort() and a resultant weird output order from pg_dump. This should end up being only a cosmetic problem, because any ordering constraints that actually matter should be enforced by the later dependency-based sort. Still, it's a bug, so back-patch. Report and fix by Jacob Champion, though I editorialized on his patch to the extent of making NULL sort after non-NULL, for consistency with our usual sorting definitions. Discussion: https://postgr.es/m/CABAq_6Hw+V-Kj7PNfD5tgOaWT_-qaYkc+SRmJkPLeUjYXLdxwQ@mail.gmail.com
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: https://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 https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.