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If a new catalog tuple is inserted that belongs to a catcache list entry, and cache invalidation happens while the list entry is being built, the list entry might miss the newly inserted tuple. To fix, change the way we detect concurrent invalidations while a catcache entry is being built. Keep a stack of entries that are being built, and apply cache invalidation to those entries in addition to the real catcache entries. This is similar to the in-progress list in relcache.c. Back-patch to all supported versions. Reviewed-by: Noah Misch Discussion: https://www.postgresql.org/message-id/2234dc98-06fe-42ed-b5db-ac17384dc880@iki.fi
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/.