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The old names for the attribute-detoasting functions names included the word "heap," which seems outdated now that the heap is only one of potentially many table access methods. On the other hand, toast_insert_or_update and toast_delete are heap-specific, so rename them by adding "heap_" as a prefix. Not all of the work of making the TOAST system fully accessible to AMs other than the heap is done yet, but there seems to be little harm in getting this renaming out of the way now. Commit 8b94dab06617ef80a0901ab103ebd8754427ef5a already divided up the functions among various files partially according to whether it was intended that they should be heap-specific or AM-agnostic, so this is just clarifying the division contemplated by that commit. Patch by me, reviewed and tested by Prabhat Sabu, Thomas Munro, Andres Freund, and Álvaro Herrera. Discussion: http://postgr.es/m/CA+TgmoZv-=2iWM4jcw5ZhJeL18HF96+W1yJeYrnGMYdkFFnEpQ@mail.gmail.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/.