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Tom Lane 2897e069c1 Fix rare core dump in BackendIdGetTransactionIds(). 
BackendIdGetTransactionIds() neglected the possibility that the PROC
pointer in a ProcState array entry is null.  In current usage, this could
only crash if the other backend had exited since pgstat_read_current_status
saw it as active, which is a pretty narrow window.  But it's reachable in
the field, per bug #12918 from Vladimir Borodin.

Back-patch to 9.4 where the faulty code was introduced.
2015-03-30 13:05:35 -04:00
config Silence Bison deprecation warnings 2014-06-03 22:36:35 -04:00
contrib Replace insertion sort in contrib/intarray with qsort(). 2015-03-15 23:22:03 -04:00
doc Fix documentation for libpq's PQfn(). 2015-03-08 13:35:37 -04:00
src Fix rare core dump in BackendIdGetTransactionIds(). 2015-03-30 13:05:35 -04:00
.dir-locals.el Update Emacs configuration 2013-08-13 20:08:44 -04:00
.gitattributes gitattributes: Ignore time zone data files for whitespace checks 2014-07-22 00:12:28 -04:00
.gitignore Add *.pot to .gitignore 2013-10-19 10:56:52 -04:00
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure src/port/dirmod.c needs to be built on Cygwin too. 2015-03-15 14:14:24 -04:00
configure.in src/port/dirmod.c needs to be built on Cygwin too. 2015-03-15 14:14:24 -04:00
COPYRIGHT Update copyright for 2015 2015-01-06 11:43:46 -05:00
GNUmakefile.in Add TAP tests for client programs 2014-04-14 21:33:46 -04:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:17 -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 20:48:04 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -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/.