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fa33956595
pg_checksums is compiled with a given block size and has a hard dependency to it per the way checksums are calculated via checksum_impl.h, and trying to use the tool on a data folder which has not the same block size would result in incorrect checksum calculations and/or block read errors, meaning that the data folder is corrupted. This is harmless as checksums are only checked now, but very confusing for the user so issue an error properly if the block size used at compilation and the block size used in the data folder do not match. Reported-by: Sergei Kornilov Author: Michael Banck, Michael Paquier Reviewed-by: Fabien Coelho, Magnus Hagander Discussion: https://postgr.es/m/20190317054657.GA3357@paquier.xyz ackpatch-through: 11 |
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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/.