fixes #2016 remove search.last_seen, never really used

include/functions_search.inc.php

@@ -1753,7 +1753,6 @@ function save_search($rules, $forked_from=null)
       'created_on' => $dbnow,
       'created_by' => $user['user_id'],
       'search_uuid' => $search_uuid,
-      'last_seen' => $dbnow,
       'forked_from' => $forked_from,
     )
   );

install/db/169-database.php

@@ -0,0 +1,21 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | This file is part of Piwigo.                                          |
+// |                                                                       |
+// | For copyright and license information, please view the COPYING.txt    |
+// | file that was distributed with this source code.                      |
+// +-----------------------------------------------------------------------+
+
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+$upgrade_description = 'Delete old column search.last_seen, never really used.';
+
+pwg_query('UPDATE `'.PREFIX_TABLE.'search` SET `created_on` = `last_seen` where `created_on` IS NULL AND `last_seen` IS NOT NULL;');
+pwg_query('ALTER TABLE `'.PREFIX_TABLE.'search` DROP COLUMN `last_seen`;');
+
+echo "\n".$upgrade_description."\n";
+
+?>

install/piwigo_structure-mysql.sql

@@ -324,7 +324,6 @@ CREATE TABLE `piwigo_search` (
   `created_on` DATETIME DEFAULT NULL,
   `created_by` MEDIUMINT(8) UNSIGNED,
   `forked_from` INT(10) UNSIGNED,
-  `last_seen` date default NULL,
   `rules` text,
   PRIMARY KEY  (`id`)
 ) ENGINE=MyISAM;