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03db794596
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Alvaro Herrera 03db794596 Wrap multixact/members correctly during extension 
In the 9.2 code for extending multixact/members, the logic was very
simple because the number of entries in a members page was a proper
divisor of 2^32, and thus at 2^32 wraparound the logic for page switch
was identical than at any other page boundary.  In commit 0ac5ad5134 I
failed to realize this and introduced code that was not able to go over
the 2^32 boundary.  Fix that by ensuring that when we reach the last
page of the last segment we correctly zero the initial page of the
initial segment, using correct uint32-wraparound-safe arithmetic.

Noticed while investigating bug #8673 reported by Serge Negodyuck, as
diagnosed by Andres Freund.
2014-01-02 18:17:07 -03:00
config Compiler optimizations for page checksum code. 2013-04-30 06:59:26 +01:00
contrib Fix progress logging when scale factor is large. 2013-12-12 19:07:53 +09:00
doc Fix alphabetization in catalogs.sgml. 2013-12-30 13:27:54 -05:00
src Wrap multixact/members correctly during extension 2014-01-02 18:17:07 -03:00
.gitignore Add pkg-config files for libpq and ecpg libraries 2013-03-31 16:58:40 -04:00
aclocal.m4
configure Stamp 9.3.2. 2013-12-02 15:57:48 -05:00
configure.in Stamp 9.3.2. 2013-12-02 15:57:48 -05:00
COPYRIGHT Update copyrights for 2013 2013-01-01 17:15:01 -05:00
GNUmakefile.in Make init-po and update-po recursive make targets 2012-06-29 14:01:54 +03:00
Makefile
README
README.git Fix doc links in README file to work with new website layout 2013-11-12 12:54:09 +01:00

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/.