[ticket/12297] Delete user_from column on update

PHPBB3-12297

phpBB/phpbb/db/migration/data/v310/profilefield_location_cleanup.php

@@ -0,0 +1,47 @@
+<?php
+/**
+*
+* @package migration
+* @copyright (c) 2014 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+namespace phpbb\db\migration\data\v310;
+
+class profilefield_location_cleanup extends \phpbb\db\migration\migration
+{
+	public function effectively_installed()
+	{
+		return !$this->db_tools->sql_column_exists($this->table_prefix . 'users', 'user_from');
+	}
+
+	static public function depends_on()
+	{
+		return array(
+			'\phpbb\db\migration\data\v310\profilefield_location',
+		);
+	}
+
+	public function update_schema()
+	{
+		return array(
+			'drop_columns'	=> array(
+				$this->table_prefix . 'users'			=> array(
+					'user_from',
+				),
+			),
+		);
+	}
+
+	public function revert_schema()
+	{
+		return array(
+			'add_columns'	=> array(
+				$this->table_prefix . 'users'			=> array(
+					'user_from'	=> array('VCHAR_UNI:100', ''),
+				),
+			),
+		);
+	}
+}