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Tom Lane b74150668d Fix an old corner-case bug in set_config_option: push_old_value has to be 
called before, not after, calling the assign_hook if any.  This is because
push_old_value might fail (due to palloc out-of-memory), and in that case
there would be no stack entry to tell transaction abort to undo the GUC
assignment.  Of course the actual assignment to the GUC variable hasn't
happened yet --- but the assign_hook might have altered subsidiary state.
Without a stack entry we won't call it again to make it undo such actions.
So this is necessary to make the world safe for assign_hooks with side
effects.  Per a discussion a couple weeks ago with Magnus.

Back-patch to 8.0.  7.x did not have the problem because it did not have
allocatable stacks of GUC values.
2008-05-26 18:54:59 +00:00
config New version of mkinstalldirs fixes problems on Tru64 UNIX. 2005-01-08 09:54:29 +00:00
contrib Fix contrib/xml makefile to not override CFLAGS. 2008-05-08 17:12:08 +00:00
doc Replace developer FAQ with a reference to the wiki, which is where 2008-04-22 09:26:36 +00:00
src Fix an old corner-case bug in set_config_option: push_old_value has to be 2008-05-26 18:54:59 +00:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure Use -fwrapv in CFLAGS if we are using a version of gcc that accepts this flag. 2008-03-10 21:50:50 +00:00
configure.in Use -fwrapv in CFLAGS if we are using a version of gcc that accepts this flag. 2008-03-10 21:50:50 +00:00
COPYRIGHT Tag appropriate files for rc3 2004-12-31 22:04:05 +00:00
GNUmakefile.in Add installcheck-parallel target to top level makefiles. 2006-08-18 19:59:05 +00:00
Makefile Add installcheck-parallel target to top level makefiles. 2006-08-18 19:59:05 +00:00
README Remove more traces of libpgtcl from the source tree. Also, make some 2004-10-01 02:00:44 +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.

The JDBC, ODBC, C++, Python, and Tcl interfaces have been moved to the
PostgreSQL Projects Web Site at http://gborg.postgresql.org for separate
maintenance.  A Perl DBI/DBD driver is available from CPAN.

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/.