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Adding such commands in the main regression test suite is not a good approach performance-wise as it impacts all the objects in the regression database, so this additional coverage is added in the TAP tests of reindexdb where we already run a few REINDEX commands with SYSTEM and DATABASE so there is no runtime difference for the test. This additional coverage checks which relations are rewritten with relfilenode changes, as of: - a toast index in user table. - a toast index in catalog table. - a catalog index. - a user index. This test suite is something I have implemented for a separate patch that reworks a bit the way we handle these two REINDEX behaviors, but it has enough value in itself to be in a separate commit. This also makes easier to follow what actually changes once the REINDEX logic is reworked (currently, DABATASE rewrites both catalog and user tables, and SYSTEM works only on catalogs). Discussion: https://postgr.es/m/YtOqA7ldcJQADEE8@paquier.xyz
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/.