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cd87b6f8a5
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Heikki Linnakangas cd87b6f8a5 Fix an old bug in multixact and two-phase commit. Prepared transactions can 
be part of multixacts, so allocate a slot for each prepared transaction in
the "oldest member" array in multixact.c. On PREPARE TRANSACTION, transfer
the oldest member value from the current backends slot to the prepared xact
slot. Also save and recover the value from the 2pc state file.

The symptom of the bug was that after a transaction prepared, a shared lock
still held by the prepared transaction was sometimes ignored by other
transactions.

Fix back to 8.1, where both 2PC and multixact were introduced.
2009-11-23 09:58:36 +00:00
config In the configure check for the Python distutils module, use a less obscure 2009-10-14 21:59:15 +00:00
contrib Improve psql's tabular display of wrapped-around data by inserting markers 2009-11-22 05:20:41 +00:00
doc Assorted wordsmithing on the documentation of \pset --- try to make it 2009-11-22 22:06:30 +00:00
src Fix an old bug in multixact and two-phase commit. Prepared transactions can 2009-11-23 09:58:36 +00:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure In the configure check for the Python distutils module, use a less obscure 2009-10-14 21:59:15 +00:00
configure.in Support "samehost" and "samenet" specifications in pg_hba.conf, 2009-10-01 01:58:58 +00:00
COPYRIGHT Update copyright for 2009. 2009-01-01 17:24:05 +00:00
GNUmakefile.in Build bzip2 tarball in dist target as well 2009-11-03 21:28:10 +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/.