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Rather than always insisting on an exact match of the type OID in the data to the element type or column type we expect, complain only when both OIDs fall within the manually-assigned range. This acknowledges the reality that user-defined types don't have stable OIDs, while still preserving some of the mistake-detection value of the old test. (It's not entirely clear whether to error if one OID is manually assigned and the other isn't. But perhaps that case could arise in cross-version cases where a former extension type has been imported into core, so I let it pass.) This change allows us to remove the prohibition on binary transfer of user-defined arrays and composites in the recently-landed support for binary logical replication (commit 9de77b545). We can just unconditionally drop that check, since if the client has asked for binary transfer it must be >= v14 and must have this change. Discussion: https://postgr.es/m/CADK3HH+R3xMn=8t3Ct+uD+qJ1KD=Hbif5NFMJ+d5DkoCzp6Vgw@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/.