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11b5847058
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Tom Lane 11b5847058 Add an OR REPLACE option to CREATE LANGUAGE. 
This operates in the same way as other CREATE OR REPLACE commands, ie,
it replaces everything but the ownership and ACL lists of an existing
entry, and requires the caller to have owner privileges for that entry.

While modifying an existing language has some use in development scenarios,
in typical usage all the "replaced" values come from pg_pltemplate so there
will be no actual change in the language definition.  The reason for adding
this is mainly to allow programs to ensure that a language exists without
triggering an error if it already does exist.

This commit just adds and documents the new option.  A followon patch
will use it to clean up some unpleasant cases in pg_dump and pg_regress.
2010-02-23 22:51:43 +00:00
config Fix configure's regexp for extracting the Perl version number from perl -v 2010-02-23 18:35:07 +00:00
contrib Modify freebsd start script to just exit 0 with message. 2010-02-23 22:17:25 +00:00
doc Add an OR REPLACE option to CREATE LANGUAGE. 2010-02-23 22:51:43 +00:00
src Add an OR REPLACE option to CREATE LANGUAGE. 2010-02-23 22:51:43 +00:00
aclocal.m4
configure Fix configure's regexp for extracting the Perl version number from perl -v 2010-02-23 18:35:07 +00:00
configure.in Revert version stamping in wrong branch 2010-02-19 18:42:30 +00:00
COPYRIGHT Update copyright for the year 2010. 2010-01-02 16:58:17 +00:00
GNUmakefile.in Fix thinko in new installcheck-world target 2010-01-29 01:06:18 +00:00
Makefile Add new make targets "world", "install-world" and "installcheck-world" to build, install and check just about everything. 2010-01-28 23:59:52 +00:00
README
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, 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/.