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Tom Lane 7fc7a7c4d0 Fix a violation of WAL coding rules in the recent patch to include an 
"all tuples visible" flag in heap page headers.  The flag update *must*
be applied before calling XLogInsert, but heap_update and the tuple
moving routines in VACUUM FULL were ignoring this rule.  A crash and
replay could therefore leave the flag incorrectly set, causing rows
to appear visible in seqscans when they should not be.  This might explain
recent reports of data corruption from Jeff Ross and others.

In passing, do a bit of editorialization on comments in visibilitymap.c.
2009-08-24 02:18:32 +00:00
config Use DocBook XSL stylesheets for man page building 2009-08-04 22:04:37 +00:00
contrib Print the actual DB encoding in the unaccent regression test. 2009-08-18 16:00:50 +00:00
doc Remove tabs from SGML. 2009-08-20 12:12:37 +00:00
src Fix a violation of WAL coding rules in the recent patch to include an 2009-08-24 02:18:32 +00:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure Use DocBook XSL stylesheets for man page building 2009-08-04 22:04:37 +00:00
configure.in Use DocBook XSL stylesheets for man page building 2009-08-04 22:04:37 +00:00
COPYRIGHT Update copyright for 2009. 2009-01-01 17:24:05 +00:00
GNUmakefile.in Be able to easily figure out the target directory of "make dist". 2009-08-14 21:37:18 +00:00
Makefile Remove remains of old depend target. 2007-01-20 17:16:17 +00:00
README Point to our download URL, rather than listing interface in the README 2008-05-06 22:02:12 +00:00
README.CVS Fix the makefiles to fail cleanly if Perl is needed but not present. This 2009-06-23 03:46:00 +00:00

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/.