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Tom Lane 9542287123 Fix patternsel() and callers to do the right thing for NOT LIKE and the other negated-match operators. patternsel had been using the supplied operator as though it were a positive-match operator, and thus obtaining a wrong result, which was even more wrong after the caller subtracted it from 1. Seems cleanest to give patternsel an explicit "negate" argument so that it knows what's going on. Also install the same factorization scheme for pattern join selectivity estimators; even though they are just stubs at the moment, this may keep someone from making the same type of mistake when they get filled out. Per report from Greg Mullane. Backpatch to 8.2 --- previous releases do not show the problem because patternsel() doesn't actually use the operator directly.		2007-11-07 21:00:37 +00:00
config	Fix search for SGML stylesheets to include the place where Gentoo keeps them.	2007-08-09 02:33:58 +00:00
contrib	Use "alternative" instead of "alternate" where it is clearer.	2007-11-07 12:24:24 +00:00
doc	<optional> cannot be used here, because psql doesn't handle it.	2007-11-07 14:07:53 +00:00
src	Fix patternsel() and callers to do the right thing for NOT LIKE and the other	2007-11-07 21:00:37 +00:00
aclocal.m4	Add new auto-detection of thread flags.	2004-04-23 18:15:55 +00:00
configure	Document that configure option only affects contrib:	2007-11-05 17:43:20 +00:00
configure.in	Document that configure option only affects contrib:	2007-11-05 17:43:20 +00:00
COPYRIGHT	Update CVS HEAD for 2007 copyright. Back branches are typically not	2007-01-05 22:20:05 +00:00
GNUmakefile.in	Replace useless uses of := by = in makefiles.	2007-02-09 15:56:00 +00:00
Makefile	Remove remains of old depend target.	2007-01-20 17:16:17 +00:00
README	Fix spectacular misspellings of procedural language names	2006-07-24 16:55:59 +00:00
README.CVS

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 including some of the more
common listed below:

C++ - http://thaiopensource.org/development/libpqxx/
JDBC - http://jdbc.postgresql.org
ODBC - http://odbc.postgresql.org
Perl - http://search.cpan.org/~dbdpg/
PHP - http://www.php.net
Python - http://www.initd.org/
Ruby - http://ruby.scripting.ca/postgres/

Other language binding are available from a variety of contributing
parties.

PostgreSQL also has a great number of procedural languages available,
a short but not complete list is below:

PL/pgSQL - included in PostgreSQL source distribution
PL/Perl - included in PostgreSQL source distribution
PL/PHP - http://projects.commandprompt.com/projects/public/plphp
PL/Python - included in PostgreSQL source distribution
PL/Java - http://gborg.postgresql.org/project/pljava/projdisplay.php
PL/Tcl - included in PostgreSQL source distribution

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/.