[ticket/12559] Move migration to v330 folder

PHPBB3-12559

phpBB/phpbb/db/migration/data/v330/forums_legend_limit.php

@@ -0,0 +1,49 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\db\migration\data\v330;
+
+class forums_legend_limit extends \phpbb\db\migration\migration
+{
+	public function effectively_installed()
+	{
+		return $this->db_tools->sql_column_exists($this->table_prefix . 'forums', 'display_subforum_limit');
+	}
+
+	static public function depends_on()
+	{
+		return array('\phpbb\db\migration\data\v330\v330b1');
+	}
+
+	public function update_schema()
+	{
+		return array(
+			'add_columns'		=> array(
+				$this->table_prefix . 'forums'	=> array(
+					'display_subforum_limit'	=> array('BOOL', 0, 'after' => 'display_subforum_list'),
+				),
+			),
+		);
+	}
+
+	public function revert_schema()
+	{
+		return array(
+			'drop_columns'		=> array(
+				$this->table_prefix . 'forums'		=> array(
+					'display_subforum_limit',
+				),
+			),
+		);
+	}
+}