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Tom Lane 5fe3e93332 Doc: clarify behavior of PQconnectdbParams().
The documentation omitted the critical tidbit that a keyword-array entry
is simply ignored if its corresponding value-array entry is NULL or an
empty string; it will *not* override any previously-obtained value for
the parameter.  (See conninfo_array_parse().)  I'd supposed that would
force the setting back to default, which is what led me into bug #16746;
but it doesn't.

While here, I couldn't resist the temptation to do some copy-editing,
both in the description of PQconnectdbParams() and in the section
about connection URI syntax.

Discussion: https://postgr.es/m/931505.1606618746@sss.pgh.pa.us
2020-11-29 13:58:30 -05:00
config configure: Update python search order 2019-01-13 10:24:21 +01:00
contrib pg_trgm: fix crash in 2-item picksplit 2020-11-12 14:57:04 +00:00
doc Doc: clarify behavior of PQconnectdbParams(). 2020-11-29 13:58:30 -05:00
src Fix a recently-introduced race condition in LISTEN/NOTIFY handling. 2020-11-28 14:03:40 -05:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:36 -08:00
.gitattributes Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure On macOS, use -isysroot in link steps as well as compile steps. 2020-11-20 00:58:26 -05:00
configure.in On macOS, use -isysroot in link steps as well as compile steps. 2020-11-20 00:58:26 -05:00
COPYRIGHT Update copyrights for 2020 2020-01-01 12:21:44 -05:00
GNUmakefile.in Make install-tests target work with vpath builds 2020-05-31 18:35:21 -04:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:40:20 +12:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
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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/.