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Functions like range_eq, range_before etc. are exposed at the SQL-level, but they're also used internally by the GiST consistent support function. The code sharing was done by a hack, TrickFunctionCall2, which relied on the knowledge that all the functions used fn_extra the same way. This commit splits the functions into internal versions that take a TypeCacheEntry as argument, and thin wrappers to expose the functions at the SQL-level. The internal versions can then be called directly and in a less hacky way from the GiST consistent function. This is just cosmetic, but backpatch to 9.2 anyway, to avoid having a different version of this code in the 9.2 branch. That would make backpatching fixes in this area more difficult. Alexander Korotkov
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: http://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. Changes between all PostgreSQL releases are recorded in the file HISTORY. 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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.