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Robert Haas 1a078629ac Fix possible page corruption by ALTER TABLE .. SET TABLESPACE. 
If a zeroed page is present in the heap, ALTER TABLE .. SET TABLESPACE will
set the LSN and TLI while copying it, which is wrong, and heap_xlog_newpage()
will do the same thing during replay, so the corruption propagates to any
standby.  Note, however, that the bug can't be demonstrated unless archiving
is enabled, since in that case we skip WAL logging altogether, and the LSN/TLI
are not set.

Back-patch to 8.0; prior releases do not have tablespaces.

Analysis and patch by Jeff Davis.  Adjustments for back-branches and minor
wordsmithing by me.
 		2010-07-29 16:14:36 +00:00
config Replace self written 'long long int' configure test by standard 'AC_TYPE_LONG_LONG_INT' macro call. 2010-05-25 17:28:20 +00:00
contrib Remove wildly obsolete type attribute externallength from chkpass 2010-07-28 20:34:34 +00:00
doc Reduce lock levels of CREATE TRIGGER and some ALTER TABLE, CREATE RULE actions. 2010-07-28 05:22:24 +00:00
src Fix possible page corruption by ALTER TABLE .. SET TABLESPACE. 2010-07-29 16:14:36 +00:00
COPYRIGHT Update copyright for the year 2010. 2010-01-02 16:58:17 +00:00
GNUmakefile.in Separate targets "make docs" and "make install-docs" for the documentation 2010-03-30 00:10:46 +00:00
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 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
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure Stamp HEAD as 9.1devel. 2010-07-09 04:10:58 +00:00
configure.in Stamp HEAD as 9.1devel. 2010-07-09 04:10:58 +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/.