db->insert( $this->table, $data ); } public function update( $data, $id ) { return $this->db->update( $this->table, $data, array( 'id' => $id ) ); } public function delete( $id = '' ) { return $this->db->delete( $this->table, array( 'id' => $id ) ); } public function get_results( $sql ) { return $this->db->get_results( $sql, 'ARRAY_A' ); } public function get_var( $sql ) { return $this->db->get_var( $sql ); } public function get_row( $sql ) { return $this->db->get_row( $sql, 'ARRAY_A' ); } }