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int2vectorin limited the number of array elements it'd take to FUNC_MAX_ARGS, which is probably fine for the traditional use-cases. But now that pg_publication_rel.prattrs is an int2vector, it's not fine at all: it's easy to construct cases where that can have up to about MaxTupleAttributeNumber entries. Trying to replicate such tables leads to logical-replication failures. As long as we have to touch this code anyway, let's just remove the a-priori limit altogether, and let it accept any size that'll be allowed by repalloc. (Note that since int2vector isn't toastable, we cannot store arrays longer than about BLCKSZ/2; but there is no good excuse for letting int2vectorin depend on that. Perhaps we will lift the no-toast restriction someday.) While at it, also improve the equivalent logic in oidvectorin. I don't know of any practical use-case for long oidvectors right now, but doing it right actually makes the code shorter. Per report from Erik Rijkers. Back-patch to v15 where pg_publication_rel.prattrs was added. Discussion: https://postgr.es/m/668ba539-33c5-8190-ca11-def2913cb94b@xs4all.nl |
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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/.