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This code used elog where it really ought to use ereport, mainly so that it can report a SQLSTATE different from ERRCODE_INTERNAL_ERROR. There were some other random deviations from typical error report practice too. In addition, we can make some cleanups that were impractical six months ago: * Use one variadic macro, instead of several with different numbers of arguments, reducing the temptation to force-fit messages into particular numbers of arguments; * Use %m, even in the frontend case, simplifying the code. Discussion: https://postgr.es/m/6025.1527351693@sss.pgh.pa.us
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/.