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Tom Lane d4382c4ae7 Extend EXPLAIN to allow generic options to be specified. 
The original syntax made it difficult to add options without making them
into reserved words.  This change parenthesizes the options to avoid that
problem, and makes provision for an explicit (and perhaps non-Boolean)
value for each option.  The original syntax is still supported, but only
for the two original options ANALYZE and VERBOSE.

As a test case, add a COSTS option that can suppress the planner cost
estimates.  This may be useful for including EXPLAIN output in the regression
tests, which are otherwise unable to cope with cross-platform variations in
cost estimates.

Robert Haas
2009-07-26 23:34:18 +00:00
config Make the configure messages rejecting old bison and flex versions include 2009-07-13 05:36:53 +00:00
contrib Extend EXPLAIN to allow generic options to be specified. 2009-07-26 23:34:18 +00:00
doc Extend EXPLAIN to allow generic options to be specified. 2009-07-26 23:34:18 +00:00
src Extend EXPLAIN to allow generic options to be specified. 2009-07-26 23:34:18 +00:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure Add commentary about Cygwin's broken erand48, per report from Andrew Dunstan. 2009-07-24 15:03:07 +00:00
configure.in Add commentary about Cygwin's broken erand48, per report from Andrew Dunstan. 2009-07-24 15:03:07 +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 Fix the makefiles to fail cleanly if Perl is needed but not present. This 2009-06-23 03:46:00 +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/.