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When an UPDATE trigger referencing a new table and a DELETE trigger referencing an old table are both present, MakeTransitionCaptureState() returns an inconsistent result for UPDATE commands in its set of flags and tuplestores holding the TransitionCaptureState for transition tables. As proved by the test added here, this issue causes a crash in v14 and earlier versions (down to 11, actually, older versions do not support triggers on partitioned tables) during cross-partition updates on a partitioned table. v15 and newer versions are safe thanks to7103ebb7aa. This commit fixes the function so that it returns a consistent state by using portions of the changes made in commit7103ebb7aafor v13 and v14. v15 and newer versions are slightly tweaked to match with the older versions, mainly for consistency across branches. Author: Kyotaro Horiguchi Discussion: https://postgr.es/m/20250207.150238.968446820828052276.horikyota.ntt@gmail.com Backpatch-through: 13
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/.