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c473d92351
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Tom Lane c473d92351 Fix cost_mergejoin's failure to adjust for rescanning of non-unique merge join 
keys when considering a semi or anti join.  This requires estimating the
selectivity of the merge qual as though it were a regular inner join condition.
To allow caching both that and the real outer-join-aware selectivity, split
RestrictInfo.this_selec into two fields.

This fixes one of the problems reported by Kevin Grittner.
2009-02-06 23:43:24 +00:00
config allow alternative names for tclsh used on Windows 2009-02-03 01:24:57 +00:00
contrib Fix bug with multiple evaluation of tsearch2 compatibility trigger, trigger 2009-01-28 18:31:32 +00:00
doc Ooops, forgot to update COPY reference page to mention column privileges. 2009-02-06 21:22:49 +00:00
src Fix cost_mergejoin's failure to adjust for rescanning of non-unique merge join 2009-02-06 23:43:24 +00:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure allow alternative names for tclsh used on Windows 2009-02-03 01:24:57 +00:00
configure.in Recreate ecpg_config.h with a stamp file created by config.status, same 2009-01-22 22:27:13 +00:00
COPYRIGHT Update copyright for 2009. 2009-01-01 17:24:05 +00:00
GNUmakefile.in Modify distdir rule to skip .git directory. 2009-01-15 01:53:49 +00:00
Makefile Remove remains of old depend target. 2007-01-20 17:16:17 +00:00
README Point to our download URL, rather than listing interface in the README 2008-05-06 22:02:12 +00:00
README.CVS Some further editorializing on README.CVS. 2004-03-28 06:09:08 +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.

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/.