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The original implementation of pg_verify_checksums used a blacklist to decide which files should be skipped for scanning as they do not include data checksums, like pg_internal.init or pg_control. However, this missed two things: - Some files are created within builds of EXEC_BACKEND and these were not listed, causing failures on Windows. - Extensions may create custom files in data folders, causing the tool to equally fail. This commit switches to a whitelist-like method instead by checking if the files to scan are authorized relation files. This is close to a reverse-engineering of what is defined in relpath.c in charge of building the relation paths, and we could consider refactoring what this patch does so as all routines are in a single place. This is left for later. This is based on a suggestion from Andres Freund. TAP tests are updated so as multiple file patterns are tested. The bug has been spotted by various buildfarm members as a result of b34e84f which has introduced the TAP tests of pg_verify_checksums. Author: Michael Paquier Reviewed-by: Andrew Dunstan, Michael Banck Discussion: https://postgr.es/m/20181012005614.GC26424@paquier.xyz Backpatch-through: 11
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/.