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Tom Lane bdd8ed973d Fix miscalculation of itemsafter in array_set_slice(). 
If the slice to be assigned to was before the existing array lower bound
(requiring at least one null element to spring into existence to fill the
gap), the code miscalculated how many entries needed to be copied from
the old array's null bitmap.  This could result in trashing the array's
data area (as seen in bug #5840 from Karsten Loesing), or worse.

This has been broken since we first allowed the behavior of assigning to
non-adjacent slices, in 8.2.  Back-patch to all affected versions.
2011-01-17 12:38:52 -05:00
config Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
contrib A toast relid field are no longer needed in pg_upgrade's rel arrays, so 2011-01-10 11:46:02 -05:00
doc Use a lexer and grammar for parsing walsender commands 2011-01-14 16:30:33 +01:00
src Fix miscalculation of itemsafter in array_set_slice(). 2011-01-17 12:38:52 -05:00
.gitignore Convert cvsignore to gitignore, and add .gitignore for build targets. 2010-09-22 12:57:04 +02:00
aclocal.m4 Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
configure Stamp copyrights for year 2011. 2011-01-01 13:18:15 -05:00
configure.in Stamp copyrights for year 2011. 2011-01-01 13:18:15 -05:00
COPYRIGHT Stamp copyrights for year 2011. 2011-01-01 13:18:15 -05:00
GNUmakefile.in Improved parallel make support 2010-11-12 22:15:16 +02:00
Makefile Add new make targets "world", "install-world" and "installcheck-world" to build, install and check just about everything. 2010-01-28 23:59:52 +00:00
README Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
README.git Trivial typo fix. 2010-09-21 14:16:00 -04:00

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.  Changes between all PostgreSQL releases are recorded in the
file HISTORY.  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/.