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Tom Lane 226837e57e Since createplan.c no longer cares whether index operators are lossy, it has 
no particular need to do get_op_opfamily_properties() while building an
indexscan plan.  Postpone that lookup until executor start.  This simplifies
createplan.c a lot more than it complicates nodeIndexscan.c, and makes things
more uniform since we already had to do it that way for RowCompare
expressions.  Should be a bit faster too, at least for plans that aren't
re-used many times, since we avoid palloc'ing and perhaps copying the
intermediate list data structure.
2008-04-13 20:51:21 +00:00
config Backport fixed AC_FUNC_FSEEKO 2008-02-19 18:02:30 +00:00
contrib Fix several datatype input functions that were allowing unused bytes in their 2008-04-11 22:52:05 +00:00
doc Phase 2 of project to make index operator lossiness be determined at runtime 2008-04-13 19:18:14 +00:00
src Since createplan.c no longer cares whether index operators are lossy, it has 2008-04-13 20:51:21 +00:00
aclocal.m4
configure Enable 64-bit integer datetimes by default, per previous discussion. 2008-03-30 04:08:15 +00:00
configure.in Enable 64-bit integer datetimes by default, per previous discussion. 2008-03-30 04:08:15 +00:00
COPYRIGHT Update copyrights in source tree to 2008. 2008-01-01 19:46:01 +00:00
GNUmakefile.in Catch all errors in for and while loops in makefiles. Don't ignore any 2008-03-18 16:24:50 +00:00
Makefile
README Fix main README typo. 2008-04-11 16:09:33 +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://pqxx.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 bindings are available from a variety of contributing
parties.

PostgreSQL also has a great number of procedural languages available,
a short, incomplete 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://pgfoundry.org/projects/pljava/
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/.