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We had an Assert() preventing whole-row expressions from being used in the SET clause of INSERT ON CONFLICT, but it seems unnecessary, given some tests, so remove it. Add a new test to exercise the case. Still at ExecInitPartitionInfo, we used map_partition_varattnos (which constructs an attribute map, then calls map_variable_attnos) using the same two relations many times in different expressions and with different parameters. Constructing the map over and over is a waste. To avoid this repeated work, construct the map once, and use map_variable_attnos() directly instead. Author: Amit Langote, per comments by me (Álvaro) Discussion: https://postgr.es/m/20180326142016.m4st5e34chrzrknk@alvherre.pgsql |
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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/.