[ticket/11880] Break up schema changes in the migrator

PHPBB3-11880

tests/dbal/migration/schema.php

@@ -0,0 +1,33 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2014 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License
+*
+*/
+
+class phpbb_dbal_migration_schema extends \phpbb\db\migration\migration
+{
+	function update_schema()
+	{
+		return array(
+			'add_columns' => array(
+				$this->table_prefix . 'config' => array(
+					'test_column1' => array('BOOL', 1),
+				),
+			),
+		);
+	}
+
+	function revert_schema()
+	{
+		return array(
+			'drop_columns' => array(
+				$this->table_prefix . 'config' => array(
+					'test_column1',
+				),
+			),
+		);
+	}
+}