Inefficient and non required index is removed on #_image_category.

git-svn-id: http://piwigo.org/svn/trunk@1739 68402e56-0260-453c-a942-63ccdbb3a9ee

2 files changed, 51 insertions, 1 deletions

diff --git a/install/db/44-database.php b/install/db/44-database.php
new file mode 100644
index 000000000..fc781a56c
--- /dev/null
+++ b/install/db/44-database.php
@@ -0,0 +1,51 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery                           |
+// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
+// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch        : BSF (Best So Far)
+// | file          : $Id$
+// | last update   : $Date$
+// | last modifier : $Author$
+// | revision      : $Revision$
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify  |
+// | it under the terms of the GNU General Public License as published by  |
+// | the Free Software Foundation                                          |
+// |                                                                       |
+// | This program is distributed in the hope that it will be useful, but   |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
+// | General Public License for more details.                              |
+// |                                                                       |
+// | You should have received a copy of the GNU General Public License     |
+// | along with this program; if not, write to the Free Software           |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA.                                                                  |
+// +-----------------------------------------------------------------------+
+
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+$upgrade_description = 'None efficient index removed for performance reasons';
+
+include_once(PHPWG_ROOT_PATH.'include/constants.php');
+
+// +-----------------------------------------------------------------------+
+// |                            Upgrade content                            |
+// +-----------------------------------------------------------------------+
+
+$query = '
+ALTER TABLE '.PREFIX_TABLE.'image_category` DROP INDEX `image_category_i1`;";
+pwg_query($query);
+
+echo
+"\n"
+. $upgrade_description
+."\n"
+;
+
+?>
diff --git a/install/phpwebgallery_structure.sql b/install/phpwebgallery_structure.sql
index 1006bc156..ac57b6283 100644
--- a/install/phpwebgallery_structure.sql
+++ b/install/phpwebgallery_structure.sql
@@ -154,7 +154,6 @@ CREATE TABLE `phpwebgallery_image_category` (
   `image_id` mediumint(8) unsigned NOT NULL default '0',
   `category_id` smallint(5) unsigned NOT NULL default '0',
   PRIMARY KEY  (`image_id`,`category_id`),
-  KEY `image_category_i1` (`image_id`),
   KEY `image_category_i2` (`category_id`)
 ) TYPE=MyISAM;