Initial implementation of a buffered statement class for those drivers

that do not implement rowCount() correctly

lib/Cake/Model/Datasource/Database/Statement/BufferedStatement.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace Cake\Model\Datasource\Database\Statement;
+
+class BufferedStatement extends \Cake\Model\Datasource\Database\Statement {
+
+	protected $_count = 0;
+
+	protected $_records = array();
+
+	protected $_allFetched = true;
+
+	protected $_counter = 0;
+
+	public function execute($params = null) {
+		$this->_count = $this->_counter = 0;
+		$this->_records = array();
+		$this->_allFetched = false;
+		return parent::execute($params);
+	}
+
+	public function fetch($type = 'num') {
+		if ($this->_allFetched) {
+			$row =  ($this->_counter <= $this->_count) ? $this->_records[$this->_counter++] : false;
+			$row = ($row && $type === 'num') ? array_values($row) : $row;
+			return $row;
+		}
+
+		$this->_fetchType = $type;
+		$record = parent::fetch($type);
+
+		if ($record !== false) {
+			$this->_count++;
+			$this->_counter++;
+		} else {
+			$this->_allFetched = true;
+			$this->_counter++;
+		}
+
+		return $record;
+	}
+
+	public function fetchAll($type = 'num') {
+		$this->_records = parent::fetchAll($type);
+		$this->_count = count($this->_records);
+		$this->_allFetched = true;
+		return $this->_records;
+	}
+
+	public function rowCount() {
+		if (!$this->_allFetched) {
+			$this->_records = $this->fetchAll('assoc');
+		}
+		return $this->_count;
+	}
+
+}
+