forge->addField([ 'group_id' => array( 'type' => 'INT', 'constraint' => 11, 'unsigned' => TRUE, ), 'subgroup_id' => array( 'type' => 'INT', 'constraint' => 11, 'unsigned' => TRUE, ), ]); $this->forge->addKey(array('group_id','subgroup_id'), TRUE); $this->forge->createTable($config->dbTableGroupToGroup, TRUE); } //-------------------------------------------------------------------- public function down() { $config = new AauthConfig(); $this->forge->dropTable($config->dbTableGroupToGroup, true); } }