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Tom Lane 9fbb3edff0 Don't trust deferred-unique indexes for join removal. 
The uniqueness condition might fail to hold intra-transaction, and assuming
it does can give incorrect query results.  Per report from Marti Raudsepp,
though this is not his proposed patch.

Back-patch to 9.0, where both these features were introduced.  In the
released branches, add the new IndexOptInfo field to the end of the struct,
to try to minimize ABI breakage for third-party code that may be examining
that struct.
2011-10-23 00:43:52 -04:00
config Backport changes to allow building with MinGW 64 bit compiler. 2011-04-09 17:59:27 -04:00
contrib Make pgstatindex respond to cancel interrupts. 2011-10-06 12:10:19 -04:00
doc Modify up/home macro to match standard parameter list; fixes doc build. 2011-10-12 14:05:29 -04:00
src Don't trust deferred-unique indexes for join removal. 2011-10-23 00:43:52 -04:00
.gitignore Convert cvsignore to gitignore, and add .gitignore for build targets. 2010-09-22 12:57:06 +02:00
aclocal.m4
configure Stamp 9.0.5. 2011-09-22 18:00:48 -04:00
configure.in Stamp 9.0.5. 2011-09-22 18:00:48 -04:00
COPYRIGHT Update copyright for the year 2010. 2010-01-02 16:58:17 +00:00
GNUmakefile.in Back-patch replacement of README.CVS with README.git. 2010-09-21 14:42:58 -04:00
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.git Back-patch replacement of README.CVS with README.git. 2010-09-21 14:42:58 -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/.