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Alvaro Herrera 6130208e75 Avoid useless palloc during transaction commit 
We can allocate the initial relations-to-drop array when first needed,
instead of at function entry; this avoids allocating it when the
function is not going to do anything, which is most of the time.

Backpatch to 9.3, where this behavior was introduced by commit
279628a0a7.

There's more that could be done here, such as possible reworking of the
code to avoid having to palloc anything, but that doesn't sound as
backpatchable as this relatively minor change.

Per complaint from Noah Misch in
20131031145234.GA621493@tornado.leadboat.com
2013-12-20 12:37:30 -03:00
config Remove maintainer-check target, fold into normal build 2013-10-10 20:11:56 -04:00
contrib pg_prewarm, a contrib module for prewarming relationd data. 2013-12-20 08:14:13 -05:00
doc pg_prewarm, a contrib module for prewarming relationd data. 2013-12-20 08:14:13 -05:00
src Avoid useless palloc during transaction commit 2013-12-20 12:37:30 -03:00
.dir-locals.el Update Emacs configuration 2013-08-13 20:08:44 -04:00
.gitattributes gitattributes: Make syntax compatible with older Git versions 2013-11-12 21:58:46 -05:00
.gitignore Add *.pot to .gitignore 2013-10-19 10:56:52 -04:00
aclocal.m4
configure Upgrade to Autoconf 2.69 2013-12-18 20:53:23 -05:00
configure.in Upgrade to Autoconf 2.69 2013-12-18 20:53:23 -05:00
COPYRIGHT Update copyrights for 2013 2013-01-01 17:15:01 -05:00
GNUmakefile.in Remove maintainer-check target, fold into normal build 2013-10-10 20:11:56 -04:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
README.git Fix doc links in README file to work with new website layout 2013-11-12 12:53:32 +01:00

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/.