2 files changed, 48 insertions, 0 deletions
diff --git a/phpBB/phpbb/db/migration/data/v310/alpha1.php b/phpBB/phpbb/db/migration/data/v310/alpha1.php
index 04f195daeb..bd4861b1f5 100644
--- a/phpBB/phpbb/db/migration/data/v310/alpha1.php
+++ b/phpBB/phpbb/db/migration/data/v310/alpha1.php
@@ -24,6 +24,7 @@ class alpha1 extends \phpbb\db\migration\migration
 			'\phpbb\db\migration\data\v310\config_db_text',
 			'\phpbb\db\migration\data\v310\forgot_password',
 			'\phpbb\db\migration\data\v310\mod_rewrite',
+			'\phpbb\db\migration\data\v310\mysql_fulltext_drop',
 			'\phpbb\db\migration\data\v310\namespaces',
 			'\phpbb\db\migration\data\v310\notifications_cron',
 			'\phpbb\db\migration\data\v310\notification_options_reconvert',
diff --git a/phpBB/phpbb/db/migration/data/v310/mysql_fulltext_drop.php b/phpBB/phpbb/db/migration/data/v310/mysql_fulltext_drop.php
new file mode 100644
index 0000000000..97d174d4bc
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v310/mysql_fulltext_drop.php
@@ -0,0 +1,47 @@
+<?php
+/**
+*
+* @package migration
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+namespace phpbb\db\migration\data\v310;
+
+class mysql_fulltext_drop extends \phpbb\db\migration\migration
+{
+	public function effectively_installed()
+	{
+		// This migration is irrelevant for all non-MySQL DBMSes.
+		return strpos($this->db->sql_layer, 'mysql') === false;
+	}
+
+	static public function depends_on()
+	{
+		return array(
+			'\phpbb\db\migration\data\v310\dev',
+		);
+	}
+
+	public function update_schema()
+	{
+		/*
+		* Drop FULLTEXT indexes related to MySQL fulltext search.
+		* Doing so is equivalent to dropping the search index from the ACP.
+		* Possibly time-consuming recreation of the search index (i.e.
+		* FULLTEXT indexes) is left as a task to the admin to not
+		* unnecessarily stall the upgrade process. The new search index will
+		* then require about 40% less table space (also see PHPBB3-11621).
+		*/
+		return array(
+			'drop_keys' => array(
+				$this->table_prefix . 'posts' => array(
+					'post_subject',
+					'post_text',
+					'post_content',
+				),
+			),
+		);
+	}
+}