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