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Since pg_dump doesn't treat the member operators and functions of operator classes/families (that is, the pg_amop and pg_amproc entries, not the underlying operators/functions) as separate dumpable objects, it missed their dependency information. I think this was safe when the code was designed, because the default object sorting rule emits operators and functions before opclasses, and there were no dependency types that could mess that up. However, the introduction of range types in 9.2 broke it: now a type can have a dependency on an opclass, allowing dependency rules to push the opclass before the type and hence before custom operators. Lacking any information showing that it shouldn't do so, pg_dump emitted the objects in the wrong order. Fix by teaching getDependencies() to translate pg_depend entries for pg_amop/amproc rows to look like dependencies for their parent opfamily. I added a regression test for this in HEAD/v12, but not further back; life is too short to fight with 002_pg_dump.pl. Per bug #15934 from Tom Gottfried. Back-patch to all supported branches. Discussion: https://postgr.es/m/15934-58b8c8ab7a09ea15@postgresql.org |
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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/.