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Tom Lane 11d5ba97f8 Fix ExecEvalArrayRef to pass down the old value of the array element or slice
being assigned to, in case the expression to be assigned is a FieldStore that
would need to modify that value.  The need for this was foreseen some time
ago, but not implemented then because we did not have arrays of composites.
Now we do, but the point evidently got overlooked in that patch.  Net result
is that updating a field of an array element doesn't work right, as
illustrated if you try the new regression test on an unpatched backend.
Noted while experimenting with EXPLAIN VERBOSE, which has also got some issues
in this area.

Backpatch to 8.3, where arrays of composites were introduced.
2010-02-18 18:41:47 +00:00
config Support inlining various small performance-critical functions on non-GCC 2010-02-13 02:34:16 +00:00
contrib Stamp HEAD as 9.0devel, and update various places that were referring to 8.5 2010-02-17 04:19:41 +00:00
doc Add missing close tag. 2010-02-18 04:14:38 +00:00
src Fix ExecEvalArrayRef to pass down the old value of the array element or slice 2010-02-18 18:41:47 +00:00
aclocal.m4 Add new auto-detection of thread flags. 2004-04-23 18:15:55 +00:00
configure Stamp HEAD as 9.0devel, and update various places that were referring to 8.5 2010-02-17 04:19:41 +00:00
configure.in Stamp HEAD as 9.0devel, and update various places that were referring to 8.5 2010-02-17 04:19:41 +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 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

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/.