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Tom Lane 4ab76b1c20 Tweak hash join code to use an additional heuristic for deciding whether 
it's worth probing the outer relation for emptiness before building the
hash table.  To wit, if we're rescanning a join previously performed,
remember whether we found it nonempty the previous time, and don't bother
with the probe if it was nonempty.  This buys back the performance lost
in examples like Mario Weilguni's.
 		2005-11-28 23:46:03 +00:00
config Enable threaded python builds on freebsd5, per report from Jim C. Nasby 2005-10-13 20:40:04 +00:00
contrib Having blank lines in -f scripts was causing silent failures. 2005-11-23 12:19:12 +00:00
doc Improve documentation for COALESCE and NULLIF. Add references for NVL 2005-11-28 23:18:48 +00:00
src Tweak hash join code to use an additional heuristic for deciding whether 2005-11-28 23:46:03 +00:00
COPYRIGHT Tag appropriate files for rc3 2004-12-31 22:04:05 +00:00
GNUmakefile.in Remove the contents of the src/corba subdirectory: this has been dead code 2005-05-01 06:15:51 +00:00
Makefile please find attached an alternate submission which addresses open item 2004-10-06 08:50:02 +00:00
README Remove more traces of libpgtcl from the source tree. Also, make some 2004-10-01 02:00:44 +00:00
README.CVS Some further editorializing on README.CVS. 2004-03-28 06:09:08 +00:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure Brand HEAD branch as 8.2devel. 2005-11-05 16:42:02 +00:00
configure.in Brand HEAD branch as 8.2devel. 2005-11-05 16:42:02 +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.

The JDBC, ODBC, C++, Python, and Tcl interfaces have been moved to the
PostgreSQL Projects Web Site at http://gborg.postgresql.org for separate
maintenance.  A Perl DBI/DBD driver is available from CPAN.

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
ftp://ftp.postgresql.org/pub/.  For more information look at our web
site located at http://www.postgresql.org/.