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Tom Lane a98ad4fabc Fix unportable shell-script syntax in pg_upgrade's test.sh. 
I discovered the hard way that on some old shells, the locution
    FOO=""   unset FOO
does not behave the same as
    FOO="";  unset FOO
and in fact leaves FOO set to an empty string.  test.sh was inconsistently
spelling it different ways on adjacent lines.

This got broken relatively recently, in commit c737a2e56, so the lack of
field reports to date doesn't represent a lot of evidence that the problem
is rare.
2014-03-16 21:55:32 -04:00
config Compiler optimizations for page checksum code. 2013-04-30 06:59:26 +01:00
contrib Fix unportable shell-script syntax in pg_upgrade's test.sh. 2014-03-16 21:55:32 -04:00
doc release notes: add item missed in 9.2.5 release 2014-03-07 13:45:38 -05:00
src Make punctuation consistent 2014-03-16 21:47:00 -04:00
.gitignore Add pkg-config files for libpq and ecpg libraries 2013-03-31 16:58:40 -04:00
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure Stamp 9.3.3. 2014-02-17 14:29:55 -05:00
configure.in Stamp 9.3.3. 2014-02-17 14:29:55 -05:00
COPYRIGHT Update copyright for 2014 2014-01-07 16:05:29 -05:00
GNUmakefile.in Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:12 -05:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:27 -05:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:12 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:12 -05:00

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:

	http://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
http://www.postgresql.org/download/.  For more information look at our
web site located at http://www.postgresql.org/.