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This wasn't checked originally, but it should have been, because in general pseudo-types can't be stored to and retrieved from disk. Notably, partition bound values of type "record" would not be interpretable by another session. In v12 and HEAD, add another flag to CheckAttributeType's repertoire so that it can produce a specific error message for this case. That's infeasible in older branches without an ABI break, so fall back to a slightly-less-nicely-worded error message in v10 and v11. Problem noted by Amit Langote, though this patch is not his initial solution. Back-patch to v10 where partitioning was introduced. Discussion: https://postgr.es/m/CA+HiwqFUzjfj9HEsJtYWcr1SgQ_=iCAvQ=O2Sx6aQxoDu4OiHw@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/.