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Tom Lane ca71131eeb Introduce t_isalnum() to replace t_isalpha() || t_isdigit() tests. 
ts_locale.c omitted support for "isalnum" tests, perhaps on the
grounds that there were initially no use-cases for that.  However,
both ltree and pg_trgm need such tests, and we do also have one
use-case now in the core backend.  The workaround of testing
isalpha and isdigit separately seems quite inefficient, especially
when dealing with multibyte characters; so let's fill in the
missing support.

Discussion: https://postgr.es/m/2548310.1664999615@sss.pgh.pa.us
 		2022-10-06 11:08:56 -04:00
config meson: Add initial version of meson based build system 2022-09-21 22:37:17 -07:00
contrib Introduce t_isalnum() to replace t_isalpha() || t_isdigit() tests. 2022-10-06 11:08:56 -04:00
doc doc: clarify description for log_startup_progress_interval 2022-10-05 15:53:40 -04:00
src Introduce t_isalnum() to replace t_isalpha() || t_isdigit() tests. 2022-10-06 11:08:56 -04:00
.cirrus.yml ci: enable various runtime checks on FreeBSD and macOS 2022-10-01 17:39:53 -07:00
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README 

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/.