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XLogInsert fails to attach a required FPI to the first record after full_page_writes is turned on by the last checkpoint. This bug got introduced in 9.5 due to code rearrangement in commits 2c03216d83 and 2076db2aea. Fix it by ensuring that XLogInsertRecord performs a recomputation when the given record is generated with FPW as off but found that the flag has been turned on while actually inserting the record. Reported-by: Kyotaro Horiguchi Author: Kyotaro Horiguchi Reviewed-by: Amit Kapila Backpatch-through: 9.5 where this problem was introduced Discussion: https://postgr.es/m/20180420.151043.74298611.horiguchi.kyotaro@lab.ntt.co.jp
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/.