+ /**
+ * Cell accessor
+ * @param string $p column name
+ * @return \pq\Gateway\Cell
+ */
+ protected function cell($p) {
+ if (!isset($this->cell[$p])) {
+ $this->cell[$p] = new Cell($this, $p, isset($this->data[$p]) ? $this->data[$p] : null);
+ }
+ return $this->cell[$p];
+ }
+