6dfacbf72b
This enhances the numeric type input function, adding support for hexadecimal, octal, and binary integers of any size, up to the limits of the numeric type. Since 6fcda9aba8, such non-decimal integers have been accepted by the parser as integer literals and passed through to numeric_in(). This commit gives numeric_in() the ability to handle them. While at it, simplify the handling of NaN and infinities, reducing the number of calls to pg_strncasecmp(), and arrange for pg_strncasecmp() to not be called at all for regular numbers. This gives a significant performance improvement for decimal inputs, more than offsetting the small performance hit of checking for non-decimal input. Discussion: https://postgr.es/m/CAEZATCV8XShnmT9HZy25C%2Bo78CVOFmUN5EM9FRAZ5xvYTggPMg%40mail.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/.