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The following set-returning functions have their logic simplified, to be more consistent with other in-core areas: - pg_prepared_statement()'s tuple descriptor is now created with get_call_result_type() instead of being created from scratch, saving from some duplication with pg_proc.dat. - show_all_file_settings(), similarly, now uses get_call_result_type() to build its tuple descriptor instead of creating it from scratch. - pg_options_to_table() made use of a static routine called only once. This commit removes this internal routine to make the function easier to follow. - pg_config() was using a unique logic style, doing checks on the tuple descriptor passed down in expectedDesc, but it has no need to do so. This switches the function to use a tuplestore with a tuple descriptor retrieved from get_call_result_type(), instead. This simplifies an upcoming patch aimed at refactoring the way tuplestores are created and checked in set-returning functions, this change making sense as its own independent cleanup by shaving some code. Author: Melanie Plageman, Michael Paquier Reviewed-by: Justin Pryzby Discussion: https://postgr.es/m/CAAKRu_azyd1Z3W_r7Ou4sorTjRCs+PxeHw1CWJeXKofkE6TuZg@mail.gmail.com |
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| README.git | ||
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/.