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-rw-r--r--install/db/19-database.php151
1 files changed, 151 insertions, 0 deletions
diff --git a/install/db/19-database.php b/install/db/19-database.php
new file mode 100644
index 000000000..035aff95a
--- /dev/null
+++ b/install/db/19-database.php
@@ -0,0 +1,151 @@
+<?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 : $RCSfile$
+// | last update : $Date: 2005-09-21 00:04:57 +0200 (mer, 21 sep 2005) $
+// | last modifier : $Author: plg $
+// | revision : $Revision: 870 $
+// +-----------------------------------------------------------------------+
+// | 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!');
+}
+
+$upgrade_description = '#images.keywords moved to new table #tags';
+
+// +-----------------------------------------------------------------------+
+// | New tables |
+// +-----------------------------------------------------------------------+
+
+$query = '
+CREATE TABLE '.PREFIX_TABLE.'tags (
+ id smallint(5) UNSIGNED NOT NULL auto_increment,
+ name varchar(255) BINARY NOT NULL,
+ url_name varchar(255) BINARY NOT NULL,
+ PRIMARY KEY (id)
+) TYPE=MyISAM
+;';
+pwg_query($query);
+
+$query = '
+CREATE TABLE '.PREFIX_TABLE.'image_tag (
+ image_id mediumint(8) UNSIGNED NOT NULL,
+ tag_id smallint(5) UNSIGNED NOT NULL,
+ PRIMARY KEY (image_id,tag_id)
+) TYPE=MyISAM
+;';
+pwg_query($query);
+
+// +-----------------------------------------------------------------------+
+// | Move keywords to tags |
+// +-----------------------------------------------------------------------+
+
+// each tag label is associated to a numeric identifier
+$tag_id = array();
+// to each tag id (key) a list of image ids (value) is associated
+$tag_images = array();
+
+$current_id = 1;
+
+$query = '
+SELECT id, keywords
+ FROM '.PREFIX_TABLE.'images
+ WHERE keywords IS NOT NULL
+;';
+$result = pwg_query($query);
+while ($row = mysql_fetch_array($result))
+{
+ foreach(preg_split('/[,]+/', $row['keywords']) as $keyword)
+ {
+ if (!isset($tag_id[$keyword]))
+ {
+ $tag_id[$keyword] = $current_id++;
+ }
+
+ if (!isset($tag_images[ $tag_id[$keyword] ]))
+ {
+ $tag_images[ $tag_id[$keyword] ] = array();
+ }
+
+ array_push($tag_images[ $tag_id[$keyword] ], $row['id']);
+ }
+}
+
+$datas = array();
+foreach ($tag_id as $tag_name => $tag_id)
+{
+ array_push(
+ $datas,
+ array(
+ 'id' => $tag_id,
+ 'name' => $tag_name,
+ 'url_name' => str2url($tag_name),
+ )
+ );
+}
+mass_inserts(
+ PREFIX_TABLE.'tags',
+ array_keys($datas[0]),
+ $datas
+ );
+
+$datas = array();
+foreach ($tag_images as $tag_id => $images)
+{
+ foreach (array_unique($images) as $image_id)
+ {
+ array_push(
+ $datas,
+ array(
+ 'tag_id' => $tag_id,
+ 'image_id' => $image_id,
+ )
+ );
+ }
+}
+
+mass_inserts(
+ PREFIX_TABLE.'image_tag',
+ array_keys($datas[0]),
+ $datas
+ );
+
+// +-----------------------------------------------------------------------+
+// | Delete images.keywords |
+// +-----------------------------------------------------------------------+
+
+$query = '
+ALTER TABLE '.PREFIX_TABLE.'images DROP COLUMN keywords
+;';
+pwg_query($query);
+
+// +-----------------------------------------------------------------------+
+// | End notification |
+// +-----------------------------------------------------------------------+
+
+echo
+"\n"
+.'Table '.PREFIX_TABLE.'tags created and filled'."\n"
+.'Table '.PREFIX_TABLE.'image_tag created and filled'."\n"
+.'Column '.PREFIX_TABLE.'images.keywords dropped'."\n"
+;
+?>