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apply_handle_tuple_routing(), having detected and reported that the tuple it needed to update didn't exist, tried to update that tuple anyway, leading to a null-pointer dereference. logicalrep_partition_open() failed to ensure that the LogicalRepPartMapEntry it built for a partition was fully independent of that for the partition root, leading to trouble if the root entry was later freed or rebuilt. Meanwhile, on the publisher's side, pgoutput_change() sometimes attempted to apply execute_attr_map_tuple() to a NULL tuple. The first of these was reported by Sergey Bernikov in bug #17055; I found the other two while developing some test cases for this sadly under-tested code. Diagnosis and patch for the first issue by Amit Langote; patches for the others by me; new test cases by me. Back-patch to v13 where this logic came in. Discussion: https://postgr.es/m/17055-9ba800ec8522668b@postgresql.org |
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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/.