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pg_statio_all_tables view appears to have a wrong grouping. As the result numbers of toast index blocks read and hit were multiplied to the number of table indexes. This commit fixes the view definition. Backpatching this appears difficult. We don't have a mechanism to patch a system catalog of existing instances in minor upgrade. We can write a release notes instruction to do this manually. But per discussion this is probably not so critical bug for doing such an intrusive fix. Reported-by: Andrei Zubkov Discussion: https://postgr.es/m/CAPpHfdtMYkkNudLMG9G0dxX_B%3Dn5sfKzOyxxrvWYtSicaGW0Lw%40mail.gmail.com |
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README.git |
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/.