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Tom Lane aaaacf0f6c Fix longstanding bug that would sometimes let the planner generate a bad plan 
for an outer join; symptom is bogus error "RIGHT JOIN is only supported with
merge-joinable join conditions".  Problem was that select_mergejoin_clauses
did its tests in the wrong order.  We need to force left join not right join
for a merge join when there are non-mergeable join clauses; but the test for
this only accounted for mergejoinability of the clause operator, and not
whether the left and right Vars were of the proper relations.  Per report
from Jean-Pierre Pelletier.
2005-10-25 20:30:52 +00:00
config Do not let external specification of CFLAGS stop us from adding 2004-02-02 04:08:12 +00:00
contrib int_array_enum function should be using fcinfo->flinfo->fn_extra for 2005-08-15 19:05:58 +00:00
doc Stamp release 7.3.11. 2005-10-03 17:24:27 +00:00
src Fix longstanding bug that would sometimes let the planner generate a bad plan 2005-10-25 20:30:52 +00:00
aclocal.m4 Remove leftovers from subproject removals. Fixes for Python and Kerberos 2002-09-04 22:54:18 +00:00
configure Stamp release 7.3.11. 2005-10-03 17:24:27 +00:00
configure.in Stamp release 7.3.11. 2005-10-03 17:24:27 +00:00
COPYRIGHT Update copyright to 2002. 2002-06-20 20:29:54 +00:00
GNUmakefile.in Remove registration message in all the supported back branches; 2005-08-16 03:32:34 +00:00
Makefile Restructure the key include files per recent pghackers discussion: there 2001-02-10 02:31:31 +00:00
README Improve wording. 2002-11-11 19:59:05 +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 several language
bindings, including C, Perl, Python, and Tcl, as well as a JDBC
driver.

The ODBC and C++ interfaces have been moved to the PostgreSQL Projects
Web Site at http://gborg.postgresql.org for separate maintenance.

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/.