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Pavan Deolasee recently noted that a few of the HeapTupleHeaderIndicatesMovedPartitions calls added by commit 5db6df0c0117 are useless, since they are done after comparing t_self with t_ctid. But because t_self can never be set to the magical values that indicate that the tuple moved partition, this can never succeed: if the first test fails (so we know t_self equals t_ctid), necessarily the second test will also fail. So these checks can be removed and no harm is done. Discussion: https://postgr.es/m/20200929164411.GA15497@alvherre.pgsql
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/.