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This new cache lookup routine has been introduced in a40caf5, and more code paths can directly use it. Note that in cluster_rel(), the code was returning immediately if the tuple's entry in pg_index for the clustered index was not valid. This commit changes the code so as a lookup error is raised instead, something that could not happen from the start as we check for the existence of the index beforehand, while holding an exclusive lock on the parent table. Author: Justin Pryzby Reviewed-by: Álvaro Herrera, Michael Paquier Discussion: https://postgr.es/m/20200202161718.GI13621@telsasoft.com
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/.